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        <ProgramServicesAmt>24268</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3147</ManagementAndGeneralAmt>
        <FundraisingAmt>4057</FundraisingAmt>
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      <InformationTechnologyGrp>
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        <ProgramServicesAmt>3474</ProgramServicesAmt>
        <ManagementAndGeneralAmt>434</ManagementAndGeneralAmt>
        <FundraisingAmt>434</FundraisingAmt>
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        <ProgramServicesAmt>162675</ProgramServicesAmt>
        <ManagementAndGeneralAmt>20334</ManagementAndGeneralAmt>
        <FundraisingAmt>20334</FundraisingAmt>
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        <ProgramServicesAmt>214</ProgramServicesAmt>
        <ManagementAndGeneralAmt>27</ManagementAndGeneralAmt>
        <FundraisingAmt>27</FundraisingAmt>
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      <DepreciationDepletionGrp>
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        <ProgramServicesAmt>19307</ProgramServicesAmt>
        <ManagementAndGeneralAmt>3218</ManagementAndGeneralAmt>
        <FundraisingAmt>9653</FundraisingAmt>
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        <ProgramServicesAmt>42378</ProgramServicesAmt>
        <ManagementAndGeneralAmt>5297</ManagementAndGeneralAmt>
        <FundraisingAmt>5297</FundraisingAmt>
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        <Desc>PROGRAM EXPENSES</Desc>
        <TotalAmt>67900</TotalAmt>
        <ProgramServicesAmt>67900</ProgramServicesAmt>
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      <OtherExpensesGrp>
        <Desc>BANK FEES</Desc>
        <TotalAmt>2128</TotalAmt>
        <ManagementAndGeneralAmt>2128</ManagementAndGeneralAmt>
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      <OtherExpensesGrp>
        <Desc>HOSPITALITY</Desc>
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        <FundraisingAmt>212</FundraisingAmt>
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        <FundraisingAmt>166</FundraisingAmt>
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      <SavingsAndTempCashInvstGrp>
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      <PledgesAndGrantsReceivableGrp>
        <BOYAmt>415000</BOYAmt>
        <EOYAmt>809160</EOYAmt>
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        <EOYAmt>80619</EOYAmt>
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        <EOYAmt>6480380</EOYAmt>
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        <EOYAmt>1783304</EOYAmt>
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      <MethodOfAccountingAccrualInd>X</MethodOfAccountingAccrualInd>
      <AccountantCompileOrReviewInd>0</AccountantCompileOrReviewInd>
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        <SeparateBasisFinclStmtInd>X</SeparateBasisFinclStmtInd>
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        <CurrentTaxYearMinus1YearAmt>1281679</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>2634870</CurrentTaxYearAmt>
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        <CurrentTaxYearAmt>2634870</CurrentTaxYearAmt>
        <TotalAmt>18283881</TotalAmt>
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      <SubstantialContributorsTotAmt>14436651</SubstantialContributorsTotAmt>
      <PublicSupportTotal170Amt>3847230</PublicSupportTotal170Amt>
      <GrossInvestmentIncome170Grp>
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        <CurrentTaxYearMinus2YearsAmt>6316</CurrentTaxYearMinus2YearsAmt>
        <CurrentTaxYearMinus1YearAmt>1993</CurrentTaxYearMinus1YearAmt>
        <CurrentTaxYearAmt>25773</CurrentTaxYearAmt>
        <TotalAmt>35305</TotalAmt>
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      <First5Years170Ind>X</First5Years170Ind>
      <Form990ScheduleAPartVIGrp>
        <FormAndLineReferenceDesc>SCHEDULE A, PART II, LINE 1</FormAndLineReferenceDesc>
        <ExplanationTxt>ON THE 2015 FORM 990, SCHEDULE A, PART II, LINE 1 (2014 COLUMN), ALTASEA REPORTED $22,188,437 OF CONTRIBUTIONS REVENUE RECEIVED DURING THE YEAR. DURING THE PREPARATION OF THE 2016 FORM 990, SCHEDULE A, PART II, IT WAS DISCOVERED THAT $9,114,970 OF THE $22,188,437 HAD BEEN WRITTEN OFF AS UNCOLLECTIBLE. ACCORDINGLY, THE 2016 FORM 990 SCHEDULE A, PART II, LINE 1 (2014 COLUMN) HAS BEEN REVISED TO $13,073,467 TO ACCOUNT FOR THE PLEDGE WRITE-OFF.</ExplanationTxt>
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        <ContributorUSAddress>
          <AddressLine1>RESTRICTED</AddressLine1>
          <AddressLine2>RESTRICTED</AddressLine2>
          <City>RESTRICTED</City>
          <State>RESTRICTED</State>
          <ZIPCode>RESTRICTED</ZIPCode>
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      <TotalDirectLobbyingGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotalDirectLobbyingGrp>
      <TotalLobbyingExpendGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
      </TotalLobbyingExpendGrp>
      <OtherExemptPurposeExpendGrp>
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      <TotalExemptPurposeExpendGrp>
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      </LobbyingNontaxableAmountGrp>
      <GrassrootsNontaxableGrp>
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        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
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      <TotLbbyExpendMnsLbbyngNonTxGrp>
        <FilingOrganizationsTotalAmt>0</FilingOrganizationsTotalAmt>
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        <TotalAmt>196238</TotalAmt>
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      <AvgGrassrootsNontaxableGrp>
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        <TotalAmt>49060</TotalAmt>
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      <RevenueNotReportedFinclStmtAmt>-3849</RevenueNotReportedFinclStmtAmt>
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        <ExplanationTxt>ALTASEA IS EXEMPT FROM FEDERAL TAXATION UNDER INTERNAL REVENUE CODE SECTION 501(C)(3) AND THE CORRESPONDING CALIFORNIA PROVISIONS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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          <CityNm>NEW LONDON</CityNm>
          <StateAbbreviationCd>CT</StateAbbreviationCd>
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      <RecipientTable>
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      <RecipientTable>
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          <CityNm>SAN PEDRO</CityNm>
          <StateAbbreviationCd>CA</StateAbbreviationCd>
          <ZIPCd>90731</ZIPCd>
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        <ExplanationTxt>ALTASEA FOLLOWS BEST PRACTICES WITH ITS LIMITED GRANT PROGRAM. THE CHIEF SCIENTIFIC OFFICER WORKS WITH A VOLUNTEER ADVISORY GROUP, COMPRISED OF MEMBERS OF THE SOUTHERN CALIFORNIA MARINE INSTITUTE, TO VET PROPOSED PROJECTS. THEIR RECOMMENDATIONS FOR FUNDING ARE REVIEWED AND APPROVED BY THE BOARD. A FORMAL GRANT AGREEMENT IS NEGOTIATED THAT INCLUDES TIMELINES AND DELIVERABLES. REPORTS FROM GRANTEES ARE REQUIRED EVERY SIX MONTHS.</ExplanationTxt>
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        <ExplanationTxt>THE ORGANIZATION'S FORM 990 IS PREPARED BY AN INDEPENDENT ACCOUNTING FIRM BASED ON INFORMATION PROVIDED BY THE ORGANIZATION AND IS REVIEWED BY THE ORGANIZATION'S MANAGEMENT BEFORE BEING PRESENTED TO THE TREASURER. THE TREASURER HAS BEEN DELEGATED THE AUTHORITY BY THE BOARD TO REVIEW IN DETAIL AND APPROVE THE ORGANIZATION'S ANNUAL FORM 990. THE FINAL FORM 990 IS DISTRIBUTED TO THE FULL BOARD IN ADVANCE OF FILING WITH THE INTERNAL REVENUE SERVICE.</ExplanationTxt>
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      <SupplementalInformationDetail>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>A COHORT STUDY AND AN INDEPENDENT COMPENSATION STUDY (FOR EXECUTIVE DIRECTOR ONLY) WAS DEVELOPED AND REVIEWED BY THE BOARD. THE BOARD REVIEWS ALL APPROVED COMPENSATION FOR KEY EXECUTIVE BASED ON THESE STUDIES. NO BOARD MEMBER IS COMPENSATED. EXECUTIVE COMPENSATION PAID BY THE ORGANIZATION IS APPROVED BY DIRECTORS WHO DO NOT HAVE A CONFLICT OF INTEREST, AND THE COMPENSATION DETERMINATION PROCESS AND DECISION IS DOCUMENTED CONTEMPORANEOUSLY IN THE ORGANIZATION'S RECORDS.</ExplanationTxt>
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      <SupplementalInformationDetail>
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        <ExplanationTxt>THE ORGANIZATION'S GOVERNING DOCUMENTS, CONFLICT OF INTEREST POLICY AND FINANCIAL STATEMENTS ARE MADE AVAILABLE TO THE PUBLIC UPON REQUEST.</ExplanationTxt>
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      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART IX, LINE 11G</FormAndLineReferenceDesc>
        <ExplanationTxt>PROJECT MANAGEMENT: PROGRAM SERVICE EXPENSES 30,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 30,000. DEVELOPMENT: PROGRAM SERVICE EXPENSES 21,827. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 9,852. TOTAL EXPENSES 31,679. IT CONSULTANT: PROGRAM SERVICE EXPENSES 3,808. MANAGEMENT AND GENERAL EXPENSES 2,539. FUNDRAISING EXPENSES 6,347. TOTAL EXPENSES 12,694. PAYROLL FEES: PROGRAM SERVICE EXPENSES 2,099. MANAGEMENT AND GENERAL EXPENSES 318. FUNDRAISING EXPENSES 735. TOTAL EXPENSES 3,152. RESEARCH CONSULTANT: PROGRAM SERVICE EXPENSES 180,000. MANAGEMENT AND GENERAL EXPENSES 0. FUNDRAISING EXPENSES 0. TOTAL EXPENSES 180,000. RETIREMENT PLAN MGMT FEES: PROGRAM SERVICE EXPENSES 1,632. MANAGEMENT AND GENERAL EXPENSES 204. FUNDRAISING EXPENSES 204. TOTAL EXPENSES 2,040. OUTSIDE SERVICES: PROGRAM SERVICE EXPENSES 16,773. MANAGEMENT AND GENERAL EXPENSES 6,709. FUNDRAISING EXPENSES 10,064. TOTAL EXPENSES 33,546.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>FORM 990, PART XII, LINE 2C:</FormAndLineReferenceDesc>
        <ExplanationTxt>THERE WAS NO CHANGE IN THE ORGANIZATION'S OVERSIGHT PROCESS OR SELECTION PROCESS DURING THE TAX YEAR.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>