﻿<?xml version="1.0" encoding="utf-8"?>
<Return xmlns="http://www.irs.gov/efile" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.irs.gov/efile" returnVersion="2011v1.2">
  <ReturnHeader binaryAttachmentCount="0">
    <Timestamp>2012-08-06T13:39:29-05:00</Timestamp>
    <TaxPeriodEndDate>2011-12-31</TaxPeriodEndDate>
    <PreparerFirm>
      <EIN>042442519</EIN>
      <PreparerFirmBusinessName>
        <BusinessNameLine1>EDELSTEIN AND COMPANY LLP</BusinessNameLine1>
      </PreparerFirmBusinessName>
      <PreparerFirmUSAddress>
        <AddressLine1>160 FEDERAL STREET 9TH FLOOR</AddressLine1>
        <City>BOSTON</City>
        <State>MA</State>
        <ZIPCode>021101772</ZIPCode>
      </PreparerFirmUSAddress>
    </PreparerFirm>
    <ReturnType>990</ReturnType>
    <TaxPeriodBeginDate>2011-01-01</TaxPeriodBeginDate>
    <Filer>
      <EIN>043268863</EIN>
      <Name>
        <BusinessNameLine1>BOSTON HARBOR ISLAND ALLIANCE INC</BusinessNameLine1>
      </Name>
      <NameControl>BOST</NameControl>
      <Phone>6172238672</Phone>
      <USAddress>
        <AddressLine1>408 ATLANTIC AVENUE NO 228</AddressLine1>
        <City>BOSTON</City>
        <State>MA</State>
        <ZIPCode>02110</ZIPCode>
      </USAddress>
    </Filer>
    <Officer>
      <Name>THOMAS POWERS</Name>
      <Title>PRESIDENT</Title>
      <Phone>6172238672</Phone>
      <DateSigned>2012-08-02</DateSigned>
      <AuthorizeThirdParty>1</AuthorizeThirdParty>
    </Officer>
    <Preparer>
      <Name>ALFONSO PERILLO</Name>
      <PTIN>P00950491</PTIN>
      <Phone>6172276161</Phone>
      <DatePrepared>2012-08-02</DatePrepared>
    </Preparer>
    <TaxYear>2011</TaxYear>
    <BuildTS>2016-02-24 21:20:13Z</BuildTS>
  </ReturnHeader>
  <ReturnData documentCount="7">
    <IRS990 documentId="RetDoc1038000001" referenceDocumentId="RetDoc1044400001">
      <NameOfPrincipalOfficerPerson>THOMAS POWERS</NameOfPrincipalOfficerPerson>
      <AddressPrincipalOfficerUS>
        <AddressLine1>408 ATLANTIC AVENUE NO 228</AddressLine1>
        <City>BOSTON</City>
        <State>MA</State>
        <ZIPCode>02110</ZIPCode>
      </AddressPrincipalOfficerUS>
      <GrossReceipts>3613123</GrossReceipts>
      <GroupReturnForAffiliates>0</GroupReturnForAffiliates>
      <Organization501c3>X</Organization501c3>
      <WebSite>WWW.ISLANDALLIANCE.ORG</WebSite>
      <TypeOfOrganizationCorporation>X</TypeOfOrganizationCorporation>
      <YearFormation>1995</YearFormation>
      <StateLegalDomicile>MA</StateLegalDomicile>
      <ActivityOrMissionDescription>BOSTON HARBOR ISLAND ALLIANCE PROMOTES THE USE, ENJOYMENT, AND AWARENESS OF THE BOSTON HARBOR ISLANDS NATIONAL PARK AREA BY CREATING VIBRANT PUBLIC SPACES, FACILITIES, AND PROGRAMMING ON THE ISLANDS, RAISING AND MANAGING THE PUBLIC AND PRIVATE RESOURCES NECESSARY TO DO SO.</ActivityOrMissionDescription>
      <NbrVotingMembersGoverningBody>20</NbrVotingMembersGoverningBody>
      <NbrIndependentVotingMembers>20</NbrIndependentVotingMembers>
      <TotalNbrEmployees>11</TotalNbrEmployees>
      <TotalNbrVolunteers>1213</TotalNbrVolunteers>
      <TotalGrossUBI>0</TotalGrossUBI>
      <NetUnrelatedBusinessTxblIncome>0</NetUnrelatedBusinessTxblIncome>
      <ContributionsGrantsPriorYear>8791133</ContributionsGrantsPriorYear>
      <ContributionsGrantsCurrentYear>3220845</ContributionsGrantsCurrentYear>
      <ProgramServiceRevenuePriorYear>124622</ProgramServiceRevenuePriorYear>
      <ProgramServiceRevenueCY>213908</ProgramServiceRevenueCY>
      <InvestmentIncomePriorYear>50676</InvestmentIncomePriorYear>
      <InvestmentIncomeCurrentYear>30697</InvestmentIncomeCurrentYear>
      <OtherRevenuePriorYear>-11765</OtherRevenuePriorYear>
      <OtherRevenueCurrentYear>718</OtherRevenueCurrentYear>
      <TotalRevenuePriorYear>8954666</TotalRevenuePriorYear>
      <TotalRevenueCurrentYear>3466168</TotalRevenueCurrentYear>
      <GrantsAndSimilarAmntsPriorYear>0</GrantsAndSimilarAmntsPriorYear>
      <GrantsAndSimilarAmntsCY>0</GrantsAndSimilarAmntsCY>
      <BenefitsPaidToMembersPriorYear>0</BenefitsPaidToMembersPriorYear>
      <BenefitsPaidToMembersCY>0</BenefitsPaidToMembersCY>
      <SalariesEtcPriorYear>664998</SalariesEtcPriorYear>
      <SalariesEtcCurrentYear>598777</SalariesEtcCurrentYear>
      <TotalProfFundrsngExpPriorYear>6500</TotalProfFundrsngExpPriorYear>
      <TotalProfFundrsngExpCY>0</TotalProfFundrsngExpCY>
      <TotalFundrsngExpCurrentYear>248785</TotalFundrsngExpCurrentYear>
      <OtherExpensePriorYear>8895835</OtherExpensePriorYear>
      <OtherExpensesCurrentYear>9481583</OtherExpensesCurrentYear>
      <TotalExpensesPriorYear>9567333</TotalExpensesPriorYear>
      <TotalExpensesCurrentYear>10080360</TotalExpensesCurrentYear>
      <RevenuesLessExpensesPriorYear>-612667</RevenuesLessExpensesPriorYear>
      <RevenuesLessExpensesCY>-6614192</RevenuesLessExpensesCY>
      <TotalAssetsBOY>11373288</TotalAssetsBOY>
      <TotalAssetsEOY>5265256</TotalAssetsEOY>
      <TotalLiabilitiesBOY>1363644</TotalLiabilitiesBOY>
      <TotalLiabilitiesEOY>1873089</TotalLiabilitiesEOY>
      <NetAssetsOrFundBalancesBOY>10009644</NetAssetsOrFundBalancesBOY>
      <NetAssetsOrFundBalancesEOY>3392167</NetAssetsOrFundBalancesEOY>
      <InfoInScheduleOPartIII>X</InfoInScheduleOPartIII>
      <MissionDescription>BOSTON HARBOR ISLAND ALLIANCE PROMOTES THE USE, ENJOYMENT, AND AWARENESS OF THE BOSTON HARBOR ISLANDS NATIONAL PARK AREA BY CREATING VIBRANT PUBLIC SPACES, FACILITIES, AND PROGRAMMING ON THE ISLANDS, RAISING AND MANAGING THE PUBLIC AND PRIVATE RESOURCES NECESSARY TO DO SO.</MissionDescription>
      <SignificantNewProgramServices>0</SignificantNewProgramServices>
      <SignificantChange>0</SignificantChange>
      <Expense>8703126</Expense>
      <Revenue>213856</Revenue>
      <Description>ECONOMIC DEVELOPMENT PROGRAMS TO ESTABLISH REVENUE-GENERATING SERVICES AND FACILITIES FOR PARK VISITORS.</Description>
      <Activity2>
        <Expense>816433</Expense>
        <Description>PROMOTION AND MARKETING OF THE ISLANDS THROUGH ADVERTISING, PUBLIC OUTREACH, AND EVENTS.</Description>
      </Activity2>
      <Activity3>
        <Expense>62163</Expense>
        <Description>EDUCATION PROGRAMS INCLUDING SCHOOL AND YOUTH-ORIENTED SERVICES; ENVIRONMENTAL STUDIES AND PROTECTION EFFORTS</Description>
      </Activity3>
      <TotalProgramServiceExpense>9581722</TotalProgramServiceExpense>
      <DescribedIn501C3 referenceDocumentId="RetDoc1039100001">1</DescribedIn501C3>
      <ScheduleBRequired referenceDocumentId="RetDoc1234500001">1</ScheduleBRequired>
      <PoliticalActivities>0</PoliticalActivities>
      <LobbyingActivities>0</LobbyingActivities>
      <SubjectToProxyTax>0</SubjectToProxyTax>
      <DonorAdvisedFunds referenceDocumentId="RetDoc1040000001">0</DonorAdvisedFunds>
      <ConservationEasements referenceDocumentId="RetDoc1040000001">0</ConservationEasements>
      <CollectionsOfArt referenceDocumentId="RetDoc1040000001">0</CollectionsOfArt>
      <CreditCounseling referenceDocumentId="RetDoc1040000001">0</CreditCounseling>
      <TermOrPermanentEndowments referenceDocumentId="RetDoc1040000001">1</TermOrPermanentEndowments>
      <ReportLandBldgEquip referenceDocumentId="RetDoc1040000001">1</ReportLandBldgEquip>
      <ReportInvestOthSecurities referenceDocumentId="RetDoc1040000001">0</ReportInvestOthSecurities>
      <ReportProgRelInvest referenceDocumentId="RetDoc1040000001">0</ReportProgRelInvest>
      <ReportOtherAssets referenceDocumentId="RetDoc1040000001">0</ReportOtherAssets>
      <ReportOtherLiabilities referenceDocumentId="RetDoc1040000001">0</ReportOtherLiabilities>
      <ReportFin48Footnote referenceDocumentId="RetDoc1040000001">1</ReportFin48Footnote>
      <IndependentAuditFinancialStmt referenceDocumentId="RetDoc1040000001">1</IndependentAuditFinancialStmt>
      <ConsolidatedAuditFinancialStmt referenceDocumentId="RetDoc1040000001">0</ConsolidatedAuditFinancialStmt>
      <School>0</School>
      <ForeignOffice>0</ForeignOffice>
      <ForeignActivities>0</ForeignActivities>
      <MoreThan5000KToOrganizations>0</MoreThan5000KToOrganizations>
      <MoreThan5000KToIndividuals>0</MoreThan5000KToIndividuals>
      <ProfessionalFundraising>0</ProfessionalFundraising>
      <FundraisingActivities>1</FundraisingActivities>
      <Gaming>0</Gaming>
      <Hospital>0</Hospital>
      <GrantsToOrganizations>0</GrantsToOrganizations>
      <GrantsToIndividuals>0</GrantsToIndividuals>
      <ScheduleJRequired referenceDocumentId="RetDoc1042400001">1</ScheduleJRequired>
      <TaxExemptBonds>0</TaxExemptBonds>
      <ExcessBenefitTransaction>0</ExcessBenefitTransaction>
      <PriorExcessBenefitTransaction>0</PriorExcessBenefitTransaction>
      <LoanToOfficerOrDQP>0</LoanToOfficerOrDQP>
      <GrantToRelatedPerson>0</GrantToRelatedPerson>
      <BsnssRltnshpWithOrganization>0</BsnssRltnshpWithOrganization>
      <BsnssRltnshpThruFamilyMember>0</BsnssRltnshpThruFamilyMember>
      <OfficerEntityWithBsnssRltnshp>0</OfficerEntityWithBsnssRltnshp>
      <DeductibleNonCashContributions>0</DeductibleNonCashContributions>
      <DeductibleContributionsOfArt>0</DeductibleContributionsOfArt>
      <Terminated>0</Terminated>
      <PartialLiquidation>0</PartialLiquidation>
      <DisregardedEntity>0</DisregardedEntity>
      <RelatedEntity>0</RelatedEntity>
      <RelatedOrgControlledEntity>0</RelatedOrgControlledEntity>
      <TransactionRelatedEntity>0</TransactionRelatedEntity>
      <TransfersToExemptNonChrtblOrg>0</TransfersToExemptNonChrtblOrg>
      <ActivitiesConductedPartnership>0</ActivitiesConductedPartnership>
      <ScheduleORequired>1</ScheduleORequired>
      <NumberFormsTransmittedWith1096>40</NumberFormsTransmittedWith1096>
      <NumberW2GIncluded>0</NumberW2GIncluded>
      <ComplianceWithBackupWitholding>1</ComplianceWithBackupWitholding>
      <NumberOfEmployees>11</NumberOfEmployees>
      <EmploymentTaxReturnsFiled>1</EmploymentTaxReturnsFiled>
      <UnrelatedBusinessIncome>0</UnrelatedBusinessIncome>
      <ForeignFinancialAccount>0</ForeignFinancialAccount>
      <ProhibitedTaxShelterTrans>0</ProhibitedTaxShelterTrans>
      <TaxablePartyNotification>0</TaxablePartyNotification>
      <NonDeductibleContributions>0</NonDeductibleContributions>
      <QuidProQuoContributions>1</QuidProQuoContributions>
      <QuidProQuoDisclosure>1</QuidProQuoDisclosure>
      <Form8282PropertyDisposedOf>0</Form8282PropertyDisposedOf>
      <FundsToPayPremiums>0</FundsToPayPremiums>
      <PremiumsPaid>0</PremiumsPaid>
      <IndoorTanningServices>0</IndoorTanningServices>
      <InfoInScheduleOPartVI>X</InfoInScheduleOPartVI>
      <NbrVotingGoverningBodyMembers>20</NbrVotingGoverningBodyMembers>
      <NumberIndependentVotingMembers>20</NumberIndependentVotingMembers>
      <FamilyOrBusinessRelationship>0</FamilyOrBusinessRelationship>
      <DelegationOfManagementDuties>0</DelegationOfManagementDuties>
      <ChangesToOrganizingDocs>0</ChangesToOrganizingDocs>
      <MaterialDiversionOrMisuse>0</MaterialDiversionOrMisuse>
      <MembersOrStockholders>0</MembersOrStockholders>
      <ElectionOfBoardMembers>0</ElectionOfBoardMembers>
      <DecisionsSubjectToApproval>0</DecisionsSubjectToApproval>
      <MinutesOfGoverningBody>1</MinutesOfGoverningBody>
      <MinutesOfCommittees>0</MinutesOfCommittees>
      <OfficerMailingAddress>0</OfficerMailingAddress>
      <LocalChapters>0</LocalChapters>
      <Form990ProvidedToGoverningBody>1</Form990ProvidedToGoverningBody>
      <ConflictOfInterestPolicy>1</ConflictOfInterestPolicy>
      <AnnualDisclosureCoveredPersons>1</AnnualDisclosureCoveredPersons>
      <RegularMonitoringEnforcement>1</RegularMonitoringEnforcement>
      <WhistleblowerPolicy>1</WhistleblowerPolicy>
      <DocumentRetentionPolicy>0</DocumentRetentionPolicy>
      <CompensationProcessCEO>1</CompensationProcessCEO>
      <CompensationProcessOther>0</CompensationProcessOther>
      <InvestmentInJointVenture>0</InvestmentInJointVenture>
      <StatesWhereCopyOfReturnIsFiled>MA</StatesWhereCopyOfReturnIsFiled>
      <UponRequest>X</UponRequest>
      <TheBooksAreInCareOf>
        <NamePerson>JANE ELLIS</NamePerson>
        <TelephoneNumber>6172238672</TelephoneNumber>
        <AddressUS>
          <AddressLine1>408 ATLANTIC AVE STE 228</AddressLine1>
          <City>BOSTON</City>
          <State>MA</State>
          <ZIPCode>02110</ZIPCode>
        </AddressUS>
      </TheBooksAreInCareOf>
      <Form990PartVIISectionA>
        <NamePerson>DOUG MCGARRAH</NamePerson>
        <Title>CHAIRMAN/DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>BARBARA CAPUANO</NamePerson>
        <Title>VICE CHAIRMAN/DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>CATHLEEN DOUGLAS STONE</NamePerson>
        <Title>TREASURER/DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARY KRALIS HOPPE</NamePerson>
        <Title>CLERK/DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>KATHLEEN ABBOTT</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ENID L BEAL</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>WILLIAM DAVIS</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>SCOTT FREEMAN</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>BETSY SHURE GROSS</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARK HIRSH</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DAN O'CONNELL</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>THOMAS P MCSHANE</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JEFFREY PORTER</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>MARI RYAN</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>RAJ SHARMA</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JOEL RECK</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>YANNI TSIPIS</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>ROBERT GOLLEDGE</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>TARA GOHLMANN</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>DOROTHY PIZZELLA</NamePerson>
        <Title>DIRECTOR</Title>
        <AverageHoursPerWeek>1.00</AverageHoursPerWeek>
        <IndividualTrusteeOrDirector>X</IndividualTrusteeOrDirector>
        <ReportableCompFromOrganization>0</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>0</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>THOMAS B POWERS</NamePerson>
        <Title>PRESIDENT</Title>
        <AverageHoursPerWeek>40.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>152101</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>4530</OtherCompensation>
      </Form990PartVIISectionA>
      <Form990PartVIISectionA>
        <NamePerson>JANE PETERSON ELLIS</NamePerson>
        <Title>DIR OF FINANCE &amp; ADMIN</Title>
        <AverageHoursPerWeek>40.00</AverageHoursPerWeek>
        <Officer>X</Officer>
        <ReportableCompFromOrganization>71963</ReportableCompFromOrganization>
        <ReportableCompFromRelatedOrgs>0</ReportableCompFromRelatedOrgs>
        <OtherCompensation>14843</OtherCompensation>
      </Form990PartVIISectionA>
      <TotalReportableCompFromOrg>224064</TotalReportableCompFromOrg>
      <TotalReportableCompFrmRltdOrgs>0</TotalReportableCompFrmRltdOrgs>
      <TotalOtherCompensation>19373</TotalOtherCompensation>
      <NumberIndividualsGT100K>1</NumberIndividualsGT100K>
      <FormersListed>0</FormersListed>
      <TotalCompGT150K>1</TotalCompGT150K>
      <CompensationFromOtherSources>0</CompensationFromOtherSources>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>CONSIGLI CONSTRUCTION CO INC</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>72 SUMMER STREET</AddressLine1>
            <City>MILFORD</City>
            <State>MA</State>
            <ZIPCode>01757</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>PEDDOCKS ISLAND CONSTRUCTION</DescriptionOfServices>
        <Compensation>4127016</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>TURNER CONSTRUCTION COMPANY</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>2 SEAPORT LANE</AddressLine1>
            <City>BOSTON</City>
            <State>MA</State>
            <ZIPCode>02210</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>PAVILION CONSTRUCTION</DescriptionOfServices>
        <Compensation>2532091</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>C WHITE MARINE INC</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>160 SYLVAN STREET</AddressLine1>
            <City>DANVERS</City>
            <State>MA</State>
            <ZIPCode>01923</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>GEORGES ISLAND TEMPORARY DOCK</DescriptionOfServices>
        <Compensation>350000</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>BRUNERCOTT &amp; ASSOCIATES INC</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>130 PROSPECT STREET</AddressLine1>
            <City>CAMBRIDGE</City>
            <State>MA</State>
            <ZIPCode>02139</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>ARCHITECTURAL SERVICES</DescriptionOfServices>
        <Compensation>341242</Compensation>
      </ContractorCompensation>
      <ContractorCompensation>
        <NameOfContractor>
          <NameBusiness>
            <BusinessNameLine1>HARBOR ISLANDS EXPRESS</BusinessNameLine1>
          </NameBusiness>
        </NameOfContractor>
        <AddressOfContractor>
          <AddressUS>
            <AddressLine1>703 WASHINGTON STREET</AddressLine1>
            <City>QUINCY</City>
            <State>MA</State>
            <ZIPCode>02169</ZIPCode>
          </AddressUS>
        </AddressOfContractor>
        <DescriptionOfServices>WATER TRANSPORT</DescriptionOfServices>
        <Compensation>177205</Compensation>
      </ContractorCompensation>
      <NumberOfContractorsGT100K>5</NumberOfContractorsGT100K>
      <FundraisingEvents>201029</FundraisingEvents>
      <GovernmentGrants>2678452</GovernmentGrants>
      <AllOtherContributions>341364</AllOtherContributions>
      <NoncashContributions>10651</NoncashContributions>
      <TotalContributions>3220845</TotalContributions>
      <ProgramServiceRevenue>
        <Description>TOUR FEES</Description>
        <BusinessCode>561520</BusinessCode>
        <TotalRevenueColumn>213908</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>213908</RelatedOrExemptFunctionIncome>
      </ProgramServiceRevenue>
      <TotalProgramServiceRevenue>213908</TotalProgramServiceRevenue>
      <InvestmentIncome>
        <TotalRevenueColumn>30899</TotalRevenueColumn>
        <ExclusionAmount>30899</ExclusionAmount>
      </InvestmentIncome>
      <GrossAmountSalesAssets>
        <Securities>16275</Securities>
      </GrossAmountSalesAssets>
      <LessCostOthBasisSalesExpenses>
        <Securities>16477</Securities>
      </LessCostOthBasisSalesExpenses>
      <GainOrLoss>
        <Securities>-202</Securities>
      </GainOrLoss>
      <NetGainOrLossInvestments>
        <TotalRevenueColumn>-202</TotalRevenueColumn>
        <ExclusionAmount>-202</ExclusionAmount>
      </NetGainOrLossInvestments>
      <GrossIncomeFundraisingEvents>130661</GrossIncomeFundraisingEvents>
      <CntrbtnsRprtdFundraisingEvents>201029</CntrbtnsRprtdFundraisingEvents>
      <FundraisingDirectExpenses>129891</FundraisingDirectExpenses>
      <NetIncomeFromFundraisingEvents>
        <TotalRevenueColumn>770</TotalRevenueColumn>
        <ExclusionAmount>770</ExclusionAmount>
      </NetIncomeFromFundraisingEvents>
      <GrossSalesOfInventory>535</GrossSalesOfInventory>
      <CostOfGoodsSold>587</CostOfGoodsSold>
      <NetIncomeOrLoss>
        <TotalRevenueColumn>-52</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>-52</RelatedOrExemptFunctionIncome>
      </NetIncomeOrLoss>
      <TotalRevenue>
        <TotalRevenueColumn>3466168</TotalRevenueColumn>
        <RelatedOrExemptFunctionIncome>213856</RelatedOrExemptFunctionIncome>
        <UnrelatedBusinessRevenue>0</UnrelatedBusinessRevenue>
        <ExclusionAmount>31467</ExclusionAmount>
      </TotalRevenue>
      <CompCurrentOfficersDirectors>
        <Total>243437</Total>
        <ProgramServices>107112</ProgramServices>
        <ManagementAndGeneral>58426</ManagementAndGeneral>
        <Fundraising>77899</Fundraising>
      </CompCurrentOfficersDirectors>
      <OtherSalariesAndWages>
        <Total>278556</Total>
        <ProgramServices>122722</ProgramServices>
        <ManagementAndGeneral>67229</ManagementAndGeneral>
        <Fundraising>88605</Fundraising>
      </OtherSalariesAndWages>
      <OtherEmployeeBenefits>
        <Total>33296</Total>
        <ProgramServices>14650</ProgramServices>
        <ManagementAndGeneral>7992</ManagementAndGeneral>
        <Fundraising>10654</Fundraising>
      </OtherEmployeeBenefits>
      <PayrollTaxes>
        <Total>43488</Total>
        <ProgramServices>19135</ProgramServices>
        <ManagementAndGeneral>10437</ManagementAndGeneral>
        <Fundraising>13916</Fundraising>
      </PayrollTaxes>
      <FeesForServicesAccounting>
        <Total>54638</Total>
        <ProgramServices>10961</ProgramServices>
        <ManagementAndGeneral>43677</ManagementAndGeneral>
      </FeesForServicesAccounting>
      <FeesForServicesOther>
        <Total>9244015</Total>
        <ProgramServices>9218358</ProgramServices>
        <Fundraising>25657</Fundraising>
      </FeesForServicesOther>
      <Advertising>
        <Total>33095</Total>
        <ProgramServices>33095</ProgramServices>
      </Advertising>
      <OfficeExpenses>
        <Total>33568</Total>
        <ProgramServices>7327</ProgramServices>
        <ManagementAndGeneral>18615</ManagementAndGeneral>
        <Fundraising>7626</Fundraising>
      </OfficeExpenses>
      <InformationTechnology>
        <Total>7894</Total>
        <ProgramServices>7894</ProgramServices>
      </InformationTechnology>
      <Travel>
        <Total>5410</Total>
        <ProgramServices>2282</ProgramServices>
        <ManagementAndGeneral>2353</ManagementAndGeneral>
        <Fundraising>775</Fundraising>
      </Travel>
      <ConferencesMeetings>
        <Total>13364</Total>
        <ProgramServices>4160</ProgramServices>
        <ManagementAndGeneral>4918</ManagementAndGeneral>
        <Fundraising>4286</Fundraising>
      </ConferencesMeetings>
      <DepreciationDepletion>
        <Total>6638</Total>
        <ManagementAndGeneral>6638</ManagementAndGeneral>
      </DepreciationDepletion>
      <Insurance>
        <Total>13577</Total>
        <ManagementAndGeneral>13577</ManagementAndGeneral>
      </Insurance>
      <OtherExpenses>
        <Description>SUPPLIES, POSTAGE AND P</Description>
        <Total>54021</Total>
        <ProgramServices>34026</ProgramServices>
        <ManagementAndGeneral>628</ManagementAndGeneral>
        <Fundraising>19367</Fundraising>
      </OtherExpenses>
      <OtherExpenses>
        <Description>INVENTORY OBSOLESCENCE</Description>
        <Total>15363</Total>
        <ManagementAndGeneral>15363</ManagementAndGeneral>
      </OtherExpenses>
      <TotalFunctionalExpenses>
        <Total>10080360</Total>
        <ProgramServices>9581722</ProgramServices>
        <ManagementAndGeneral>249853</ManagementAndGeneral>
        <Fundraising>248785</Fundraising>
      </TotalFunctionalExpenses>
      <CashNonInterestBearing>
        <BOY>41154</BOY>
        <EOY>279112</EOY>
      </CashNonInterestBearing>
      <SavingsAndTempCashInvestments>
        <BOY>9317351</BOY>
        <EOY>4464782</EOY>
      </SavingsAndTempCashInvestments>
      <PledgesAndGrantsReceivable>
        <BOY>1963368</BOY>
        <EOY>461071</EOY>
      </PledgesAndGrantsReceivable>
      <AccountsReceivable>
        <EOY>37767</EOY>
      </AccountsReceivable>
      <InventoriesForSaleOrUse>
        <BOY>15949</BOY>
      </InventoriesForSaleOrUse>
      <PrepaidExpensesDeferredCharges>
        <BOY>1909</BOY>
        <EOY>1411</EOY>
      </PrepaidExpensesDeferredCharges>
      <LandBuildingsEquipmentBasis>80561</LandBuildingsEquipmentBasis>
      <LandBldgEquipmentAccumDeprec>59448</LandBldgEquipmentAccumDeprec>
      <LandBuildingsEquipmentBasisNet>
        <BOY>27751</BOY>
        <EOY>21113</EOY>
      </LandBuildingsEquipmentBasisNet>
      <InvestmentsPubTradedSecurities>
        <BOY>5806</BOY>
      </InvestmentsPubTradedSecurities>
      <TotalAssets>
        <BOY>11373288</BOY>
        <EOY>5265256</EOY>
      </TotalAssets>
      <AccountsPayableAccruedExpenses>
        <BOY>1363644</BOY>
        <EOY>1873089</EOY>
      </AccountsPayableAccruedExpenses>
      <TotalLiabilities>
        <BOY>1363644</BOY>
        <EOY>1873089</EOY>
      </TotalLiabilities>
      <FollowSFAS117>X</FollowSFAS117>
      <UnrestrictedNetAssets>
        <BOY>221285</BOY>
        <EOY>261208</EOY>
      </UnrestrictedNetAssets>
      <TemporarilyRestrictedNetAssets>
        <BOY>9788359</BOY>
        <EOY>3130959</EOY>
      </TemporarilyRestrictedNetAssets>
      <TotalNetAssetsFundBalances>
        <BOY>10009644</BOY>
        <EOY>3392167</EOY>
      </TotalNetAssetsFundBalances>
      <TotalLiabNetAssetsFundBalances>
        <BOY>11373288</BOY>
        <EOY>5265256</EOY>
      </TotalLiabNetAssetsFundBalances>
      <InfoInScheduleOPartXI>X</InfoInScheduleOPartXI>
      <ReconcilationRevenueExpenses>-6614192</ReconcilationRevenueExpenses>
      <ReconcilationOtherChanges>-3285</ReconcilationOtherChanges>
      <InfoInScheduleOPartXII>X</InfoInScheduleOPartXII>
      <MethodOfAccountingAccrual>X</MethodOfAccountingAccrual>
      <AccountantCompileOrReview>0</AccountantCompileOrReview>
      <FSAudited>1</FSAudited>
      <AuditCommittee>1</AuditCommittee>
      <FinancialStatementSeparate>X</FinancialStatementSeparate>
      <FederalGrantAuditRequired>1</FederalGrantAuditRequired>
      <FederalGrantAuditPerformed>1</FederalGrantAuditPerformed>
    </IRS990>
    <IRS990ScheduleA documentId="RetDoc1039100001">
      <PubliclySupportedOrg170b1Avi>X</PubliclySupportedOrg170b1Avi>
      <GiftsGrantsContribReceived170>
        <CurrentTaxYearMinus4Years>1457987</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>1730903</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>4699584</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>8791133</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>3220845</CurrentTaxYear>
        <Total>19900452</Total>
      </GiftsGrantsContribReceived170>
      <Total170>
        <CurrentTaxYearMinus4Years>1457987</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>1730903</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>4699584</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>8791133</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>3220845</CurrentTaxYear>
        <Total>19900452</Total>
      </Total170>
      <AmountsSubstContributorsTotal>416726</AmountsSubstContributorsTotal>
      <PublicSupportTotal170>19483726</PublicSupportTotal170>
      <GrossInvestmentIncome170>
        <CurrentTaxYearMinus4Years>195608</CurrentTaxYearMinus4Years>
        <CurrentTaxYearMinus3Years>205475</CurrentTaxYearMinus3Years>
        <CurrentTaxYearMinus2Years>204985</CurrentTaxYearMinus2Years>
        <CurrentTaxYearMinus1Year>50862</CurrentTaxYearMinus1Year>
        <CurrentTaxYear>30899</CurrentTaxYear>
        <Total>687829</Total>
      </GrossInvestmentIncome170>
      <TotalSupport>20588281</TotalSupport>
      <GrossReceiptsFromAdmissionsEtc>1903539</GrossReceiptsFromAdmissionsEtc>
      <PublicSupportPertcentage170>0.94640</PublicSupportPertcentage170>
      <PublicSupportPertcentPriorYear>0.92260</PublicSupportPertcentPriorYear>
      <ThirtyThreePercntTestsCY170>X</ThirtyThreePercntTestsCY170>
      <GeneralExplanation>SCHEDULE A, PART IV, LIST OF UNUSUAL GRANTS: TO COMPLETE LNG DEEP WATER PORT MITIGATION DATE: 07/21/08 AMOUNT: 5600000. TO COMPLETE NORTHEAST GATEWAY PROJECT DATE: 05/24/07 AMOUNT: 5300000.</GeneralExplanation>
    </IRS990ScheduleA>
    <IRS990ScheduleB documentId="RetDoc1234500001">
      <ContributorInfo>
        <ContributorNumber>RESTRICTED</ContributorNumber>
        <ContributorNameBusiness>
          <BusinessNameLine1>RESTRICTED</BusinessNameLine1>
        </ContributorNameBusiness>
        <ContributorAddressUS>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
        </ContributorAddressUS>
        <AggregateContributions>RESTRICTED</AggregateContributions>
      </ContributorInfo>
    </IRS990ScheduleB>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CurrentYear>
        <BeginningOfYearBalance>9788359</BeginningOfYearBalance>
        <Contributions>1022738</Contributions>
        <InvestmentEarningsOrLosses>-3285</InvestmentEarningsOrLosses>
        <OtherExpenditures>7640481</OtherExpenditures>
        <AdministrativeExpenses>36372</AdministrativeExpenses>
        <EndOfYearBalance>3130959</EndOfYearBalance>
      </CurrentYear>
      <CurrentYearMinus1Year>
        <BeginningOfYearBalance>10380548</BeginningOfYearBalance>
        <Contributions>2133506</Contributions>
        <OtherExpenditures>2725695</OtherExpenditures>
        <EndOfYearBalance>9788359</EndOfYearBalance>
      </CurrentYearMinus1Year>
      <CurrentYearMinus2Years>
        <BeginningOfYearBalance>11693270</BeginningOfYearBalance>
        <Contributions>1176603</Contributions>
        <OtherExpenditures>2489325</OtherExpenditures>
        <EndOfYearBalance>10380548</EndOfYearBalance>
      </CurrentYearMinus2Years>
      <CurrentYearMinus3Years>
        <BeginningOfYearBalance>6812506</BeginningOfYearBalance>
        <Contributions>6021954</Contributions>
        <OtherExpenditures>1141190</OtherExpenditures>
        <EndOfYearBalance>11693270</EndOfYearBalance>
      </CurrentYearMinus3Years>
      <TermEndowmentEOYBalance>1.00000</TermEndowmentEOYBalance>
      <EndowmentsHeldByUnrelatedOrgs>0</EndowmentsHeldByUnrelatedOrgs>
      <EndowmentsHeldByRelatedOrgs>0</EndowmentsHeldByRelatedOrgs>
      <Equipment>
        <OtherCostOrOtherBasis>72391</OtherCostOrOtherBasis>
        <Depreciation>51357</Depreciation>
        <BookValue>21034</BookValue>
      </Equipment>
      <OtherLandBuildings>
        <OtherCostOrOtherBasis>8170</OtherCostOrOtherBasis>
        <Depreciation>8091</Depreciation>
        <BookValue>79</BookValue>
      </OtherLandBuildings>
      <TotalOfBookValueLandBuildings>21113</TotalOfBookValueLandBuildings>
      <TotalRevenue>3466168</TotalRevenue>
      <TotalExpenses>10080360</TotalExpenses>
      <ExcessOrDeficitForYear>-6614192</ExcessOrDeficitForYear>
      <NetUnrealizedGLOnInvestments>-3285</NetUnrealizedGLOnInvestments>
      <TotalAdjustments>-3285</TotalAdjustments>
      <ExcessOrDeficitPerFS>-6617477</ExcessOrDeficitPerFS>
      <TotRevenueEtcAuditedFinclStmt>3757047</TotRevenueEtcAuditedFinclStmt>
      <NetUnrealizedGainsInvestments>-3285</NetUnrealizedGainsInvestments>
      <DonatedSrvcAndUseOfFacilities>293577</DonatedSrvcAndUseOfFacilities>
      <OtherRevenues>587</OtherRevenues>
      <RevenueNotRptdF990>290879</RevenueNotRptdF990>
      <RevenueSubtotal>3466168</RevenueSubtotal>
      <RevenueNotRptdOnFinStmt>0</RevenueNotRptdOnFinStmt>
      <TotalRevenuePerForm990>3466168</TotalRevenuePerForm990>
      <TotExpensesEtcAuditedFinclStmt>10374524</TotExpensesEtcAuditedFinclStmt>
      <DonatedServicesUseOfFacilities>293577</DonatedServicesUseOfFacilities>
      <OtherExpensesIncluded>587</OtherExpensesIncluded>
      <ExpensesNotRptdF990>294164</ExpensesNotRptdF990>
      <ExpensesSubtotal>10080360</ExpensesSubtotal>
      <ExpensesNotRptdOnFinStmt>0</ExpensesNotRptdOnFinStmt>
      <TotalExpensesPerForm990>10080360</TotalExpensesPerForm990>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF INTENDED USE OF ENDOWMENT FUNDS:</Identifier>
        <ReturnReference>PART V, LINE 4:</ReturnReference>
        <Explanation>TEMPORARILY RESTRICTED NET ASSETS WERE AVAILABLE FOR THE FOLLOWING PURPOSES AT DECEMBER 31, 2011: MITIGATION FUNDS $ 1,875,882 PARK PROMOTION $ 110,975 PUBLIC ACCESS AND SAFETY $ 46,593 TDC STUDY $ 5,788 BOSTON HARBOR ENVIRONMENTAL MONITORING PROJECT $ 1,808 PAVILION OPERATIONS $ 673,916 PUBLIC OUTREACH AND PARK DEVELOPMENT $ 415,997 TOTAL RESTRICTED NET ASSETS AT DECEMBER 31, 2011 $ 3,130,959</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>DESCRIPTION OF UNCERTAIN TAX POSITIONS UNDER FIN 48:</Identifier>
        <ReturnReference>PART X:</ReturnReference>
        <Explanation>THE ORGANIZATION HAS EVALUATED THE TAX POSITIONS TAKEN ON RETURNS FOR OPEN YEARS AND THOSE EXPECTED TO BE TAKEN ON RETURNS FOR THE YEAR ENDED DECEMBER 31, 2011. IT IS MANAGEMENT'S BELIEF THAT SUCH TAX POSITIONS ARE MORE LIKELY THAN NOT TO BE SUSTAINED UPON EXAMINATION BY TAX AUTHORITIES. ACCORDINGLY, NO LIABILITY FOR UNCERTAIN TAX POSITIONS HAS BEEN REFLECTED IN THESE FINANCIAL STATEMENTS. RETURNS FOR TAX YEARS BEGINNING WITH THOSE FILED FOR THE YEAR ENDED DECEMBER 31, 2008 ARE OPEN TO EXAMINATION.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>COST OF GOODS SOLD 587.</Explanation>
      </Form990ScheduleDPartXIV>
      <Form990ScheduleDPartXIV>
        <Identifier>PART XIII, LINE 2D - OTHER ADJUSTMENTS:</Identifier>
        <Explanation>COST OF GOODS SOLD 587.</Explanation>
      </Form990ScheduleDPartXIV>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041300001">
      <EventsInformation>
        <NameOfEvent1>ANNUAL DINNER GALA</NameOfEvent1>
        <GrossReceiptsEvent1>293332</GrossReceiptsEvent1>
        <CharitableContributionsEvent1>183075</CharitableContributionsEvent1>
        <GrossRevenueEvent1>110257</GrossRevenueEvent1>
        <FoodAndBeverageEvent1>66436</FoodAndBeverageEvent1>
        <OtherDirectExpensesEvent1>41687</OtherDirectExpensesEvent1>
        <NameOfEvent2>ANNUAL REGATTA</NameOfEvent2>
        <GrossReceiptsEvent2>38358</GrossReceiptsEvent2>
        <CharitableContributionsEvent2>17954</CharitableContributionsEvent2>
        <GrossRevenueEvent2>20404</GrossRevenueEvent2>
        <FoodAndBeverageEvent2>5572</FoodAndBeverageEvent2>
        <OtherDirectExpensesEvent2>16196</OtherDirectExpensesEvent2>
        <GrossReceiptsTotal>331690</GrossReceiptsTotal>
        <CharitableContributionsTotal>201029</CharitableContributionsTotal>
        <GrossRevenueTotalEvents>130661</GrossRevenueTotalEvents>
        <FoodAndBeverageTotalEvents>72008</FoodAndBeverageTotalEvents>
        <OtherDirectExpensesTotalEvents>57883</OtherDirectExpensesTotalEvents>
        <DirectExpenseSummaryEvents>129891</DirectExpenseSummaryEvents>
        <NetIncomeSummary>770</NetIncomeSummary>
      </EventsInformation>
    </IRS990ScheduleG>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <WrittenEmploymentContract>X</WrittenEmploymentContract>
      <SeverancePayment>0</SeverancePayment>
      <SupplementalNonqualRetirePlan>0</SupplementalNonqualRetirePlan>
      <EquityBasedCompArrangement>0</EquityBasedCompArrangement>
      <CompBasedOnRevenueOfFilingOrg>0</CompBasedOnRevenueOfFilingOrg>
      <CompBasedOnRevenueRelatedOrgs>0</CompBasedOnRevenueRelatedOrgs>
      <CompBasedNetEarningsFilingOrg>0</CompBasedNetEarningsFilingOrg>
      <CompBasedNetEarningsRelateOrgs>0</CompBasedNetEarningsRelateOrgs>
      <AnyNonFixedPayments>0</AnyNonFixedPayments>
      <InitialContractException>0</InitialContractException>
      <Form990ScheduleJPartII>
        <NamePerson>THOMAS B POWERS</NamePerson>
        <BaseCompensationFilingOrg>152101</BaseCompensationFilingOrg>
        <CompBasedOnRelatedOrgs>0</CompBasedOnRelatedOrgs>
        <BonusFilingOrg>0</BonusFilingOrg>
        <BonusRelatedOrgs>0</BonusRelatedOrgs>
        <OtherCompensationFilingOrg>0</OtherCompensationFilingOrg>
        <OtherCompensationRelatedOrgs>0</OtherCompensationRelatedOrgs>
        <DeferredCompFilingOrg>0</DeferredCompFilingOrg>
        <DeferredCompRelatedOrgs>0</DeferredCompRelatedOrgs>
        <NontaxableBenefitsFilingOrg>4530</NontaxableBenefitsFilingOrg>
        <NontaxableBenefitsRelatedOrgs>0</NontaxableBenefitsRelatedOrgs>
        <TotalCompensationFilingOrg>156631</TotalCompensationFilingOrg>
        <TotalCompensationRelatedOrgs>0</TotalCompensationRelatedOrgs>
        <CompReportPrior990FilingOrg>0</CompReportPrior990FilingOrg>
        <CompReportPrior990RelatedOrgs>0</CompReportPrior990RelatedOrgs>
      </Form990ScheduleJPartII>
    </IRS990ScheduleJ>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION A, LINE 8B</ReturnReference>
        <Explanation>THE ORGANIZATION DOES NOT KEEP MINUTES OF ITS COMMITTEE MEETINGS.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 11</ReturnReference>
        <Explanation>THE PRESIDENT, DIRECTOR OF ADMINISTRATION &amp; FINANCE, AND THE FINANCE COMMITTEE REVIEW A DRAFT OF THE FORM 990 AS PREPARED BY INDEPENDENT TAX PROFESSIONALS AND DISCUSS ANY QUESTIONS/ISSUES WITH THE TAX PROFESSIONALS. ONCE THEY ACCEPT THE DRAFT, THE RETURN IS FILED.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 12C</ReturnReference>
        <Explanation>OUR CONFLICT OF INTEREST POLICY REQUIRES BOARD AND STAFF TO DISCLOSE ANY POTENTIAL CONFLICT OF INTEREST. IF THE MATTER INVOLVES STAFF AND IS RELATIVELY MINOR, THE PRESIDENT MAKES A DECISION ON WHAT COURSE OF ACTION THE STAFF MEMBER SHOULD FOLLOW. IF THE MATTER INVOLVES A BOARD MEMBER OR IS A MAJOR ISSUE INVOLVING STAFF, THE PRESIDENT AND EXECUTIVE COMMITTEE DISCUSS THE QUESTION, AND MAKE A RECOMMENDATION TO THE FULL BOARD. ALTERNATIVELY A BOARD MEMBER MAY RECUSE HIMSELF/HERSELF FROM ANY BOSTON HARBOR ISLAND ALLIANCE PARTICIPATION IN A MATTER THAT HE/SHE BELIEVES RAISES A CONFLICT OR THE APPEARANCE OF A CONFLICT.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION B, LINE 15A</ReturnReference>
        <Explanation>THE PRESIDENT'S COMPENSATION IS DETERMINED BY THE BOARD OF DIRECTORS' EXECUTIVE COMMITTEE LED BY THE CHAIR AND COMPRISED OF THE OFFICERS AND CHAIRS OF THE DEVELOPMENT AND ECONOMIC DEVELOPMENT COMMITTEES. THEIR REVIEW IS BASED ON A SELF-EVALUATION PROVIDED BY THE PRESIDENT, THEIR OWN INTERNAL CONVERSATIONS, AND CONVERSATIONS WITH ADDITIONAL BOARD MEMBERS AS WELL AS CONVERSATIONS WITH SELECTED STAFF.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <ReturnReference>FORM 990, PART VI, SECTION C, LINE 19</ReturnReference>
        <Explanation>DOCUMENTS ARE MADE AVAILABLE UPON REQUEST.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>CHANGES IN NET ASSETS OR FUND BALANCES:</Identifier>
        <ReturnReference>FORM 990, PART XI, LINE 5:</ReturnReference>
        <Explanation>NET UNREALIZED LOSSES ON INVESTMENTS: -3,285.</Explanation>
      </GeneralExplanation>
      <GeneralExplanation>
        <Identifier>AUDIT COMMITTEE</Identifier>
        <ReturnReference>FORM 990, PART XII, LINE 2C</ReturnReference>
        <Explanation>THIS PROCESS HAS NOT CHANGED FROM THE PRIOR YEAR.</Explanation>
      </GeneralExplanation>
    </IRS990ScheduleO>
  </ReturnData>
</Return>