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      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.28315</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.51024</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.20661</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>1</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>2144706</OtherCostOrOtherBasisAmt>
        <BookValueAmt>2144706</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>27052789</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>5004262</DepreciationAmt>
        <BookValueAmt>22048527</BookValueAmt>
      </BuildingsGrp>
      <LeaseholdImprovementsGrp>
        <OtherCostOrOtherBasisAmt>18117577</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>7371796</DepreciationAmt>
        <BookValueAmt>10745781</BookValueAmt>
      </LeaseholdImprovementsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>5197764</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>2348525</DepreciationAmt>
        <BookValueAmt>2849239</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>255182</OtherCostOrOtherBasisAmt>
        <BookValueAmt>255182</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>38043435</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>Beneficial interest in assets held by Maine Community Foundation</Desc>
        <BookValueAmt>5946271</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Sculptures and artwork</Desc>
        <BookValueAmt>502459</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Unemployment trust</Desc>
        <BookValueAmt>87579</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Finance lease, right of use assets</Desc>
        <BookValueAmt>61794</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>6598103</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Program related investment loan payable</Desc>
        <Amt>8683311</Amt>
      </OtherLiabilitiesOrgGrp>
      <OtherLiabilitiesOrgGrp>
        <Desc>Finance lease liability</Desc>
        <Amt>61833</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>8745144</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>13288011</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>389012</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>4150</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>105055</OtherRevenueAmt>
      <RevenueNotReportedAmt>498217</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>12789794</RevenueSubtotalAmt>
      <RevenueNotReportedFinclStmtAmt>0</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>12789794</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>11097504</TotExpnsEtcAuditedFinclStmtAmt>
      <OtherExpensesIncludedAmt>71430</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>71430</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>11026074</ExpensesSubtotalAmt>
      <ExpensesNotRptFinclStmtAmt>0</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>11026074</TotalExpensesPerForm990Amt>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part III, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>Coastal Maine Botanical Gardens hosts many art and sculpture exhibits throughout its operating seasons. The Organization utilizes artwork, sculpture, and craft to build connections between the community and Garden visitors over ideas of nature and creativity, and to foster relationships between its members, staff, and visitors. Much of the Organization's artwork is available to enjoy as public exhibitions that are displayed throughout and included within the Gardens' facilities and campus. Additionally, the Organization encourages and sponsors patrons of the creative arts through artistic symposiums and programmatic events which meld together the Organization's own mission to preserve, feature, and advocate for the natural environment while also advancing other creative pursuits and the humanities. Sculptures and artwork are recognized on the Organization's balance sheet within Other Assets, and donations of Artwork are reported as non-cash contributions when received and when recognized as income in the Organization's financial statements.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part V, Line 4:</FormAndLineReferenceDesc>
        <ExplanationTxt>The purpose of the Organization's endowment funds is to provide investment income and gains to further various activities of the Organization. A portion of the Organization's endowment funds are maintained within the Maine Community Foundation ("MCF"), and a portion of endowment funds are deemed to be held in perpetuity with income restricted. Income from the endowment accounts held within MCF are subject to distribution formulas approved by the Organization's Board to ensure that such endowment capital balances are managed responsibly and sustainably. Additionally. the endowment accounts held within MCF are composed of investments spread across U.S. and global asset classes and are managed to produce long-term growth while minimizing volatility. Endowment funds set aside as "board designated or "quasi-endowments" are normally intended for general expenditures as part of the Organization's annual operations. Endowment funds set aside as restricted are subject to donor-imposed limitations on time and use. The majority of the Organization's restricted funds are reserved for the following purposes: facility improvements and expansions; research; art and garden exhibits; and conservation.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization is exempt from taxation under Section 501(c)(3) of the Internal Revenue Code. Tax-exempt organizations could be required to record an obligation for income taxes as the result of a tax position they have historically taken on various tax exposure items, including unrelated business income or tax status. Under guidance issued by the Financial Accounting Standards Board (FASB), assets and liabilities are established for uncertain tax positions taken or positions expected to be taken in income tax returns when such positions are judged to not meet the "more-likely-than-not" threshold, based upon the technical merits of the position. Estimated interest and penalties, if applicable, related to uncertain tax positions are included as a component of income tax expense. Management has evaluated the Organization's tax positions taken on its filed tax returns and concluded that the Organization has maintained its tax-exempt status, does not have any significant unrelated business income and has taken no uncertain tax positions that require adjustment to the financial statements.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental expenses 71,430. Deferred revenue write-down 33,625.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Rental expenses 71,430.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleG documentId="RetDoc1041200001">
      <SpecialFundraisingEventsInd>X</SpecialFundraisingEventsInd>
      <AgrmtProfFundraisingActyInd>1</AgrmtProfFundraisingActyInd>
      <FundraiserActivityInfoGrp>
        <OrganizationBusinessName>
          <BusinessNameLine1Txt>Resilient Philanthropy</BusinessNameLine1Txt>
        </OrganizationBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 40646</AddressLine1Txt>
          <CityNm>Washington</CityNm>
          <StateAbbreviationCd>DC</StateAbbreviationCd>
          <ZIPCd>20016</ZIPCd>
        </USAddress>
        <ActivityTxt>Fundraising Consultant</ActivityTxt>
        <FundraiserControlOfFundsInd>0</FundraiserControlOfFundsInd>
        <GrossReceiptsAmt>0</GrossReceiptsAmt>
        <RetainedByContractorAmt>156000</RetainedByContractorAmt>
        <NetToOrganizationAmt>0</NetToOrganizationAmt>
      </FundraiserActivityInfoGrp>
      <TotalRetainedByContractorsAmt>156000</TotalRetainedByContractorsAmt>
      <LicensedStatesCd>ME</LicensedStatesCd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule G, Part I, Professional Fundraisers:</FormAndLineReferenceDesc>
        <ExplanationTxt>During the period covered by this Form 990, the Organization engaged Resilient Philanthropy to provide fundraising consulting and to perform an economic impact study, respectively. This engaged firm did not solicit contributions on behalf of the Organization, maintain or oversee any fundraising events, or engage or participate in any of the Organization's program services. Rather, the Organization independently utilized the data and insight provided by Resilient Philanthropy to improve the Organization's own activities, programs, and fundraising capabilities and expertise. The services provided by Resilient Philanthropy was valuable and improved the Organization's ability to fundraise, but no gross receipts or donations received by the Organization can be connected to the services provided by these professionals. Accordingly, $0 is reported on this Form 990, Schedule G, Part I, Column iv.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleG>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Mary Neal Scholarship Fund</GrantTypeTxt>
        <RecipientCnt>1</RecipientCnt>
        <CashGrantAmt>5000</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Gardens Aglow Lighting Contest</GrantTypeTxt>
        <RecipientCnt>4</RecipientCnt>
        <CashGrantAmt>1400</CashGrantAmt>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Each year the Organization hosts its Gardens Aglow exhibit, a winter and holiday-themed light show. The exhibit is a tradition that brings tens of thousands of visitors to the Gardens and greater Boothbay region every year. As part of this program, the Organization also offers small cash prizes to persons in the community who help encourage the Boothbay Holiday Light Shows, and who decorate their property in festive lights in the winter season. If a home or business is located on the Boothbay peninsula in the towns of Edgecomb, Boothbay, East Boothbay, Boothbay Harbor or Southport, and your property is visible from a public roadway, then you are eligible to win. However, employees and family members of Coastal Maine Botanical Gardens are not eligible to participate in the contest or to win any of the awards. Persons wishing to participate in the contest can submit an application to the Organization online or may mail. The Organization typically selects 3-5 winners for the Contest, who are selected based on popular vote and/or the recommendation of independent judges. Additionally, from time-to-time the Organization may provide small donations or awards to individuals for financial need, scholarship, or other charitable causes. Such awards are subject to the review and oversight of the Organization's management and are generally not a material part of the Organization's overall operations. For any awards or scholarships paid to the Organization's staff specifically, to be eligible for an award, staff members must apply or be nominated. The Organization's Human Resources Director, VP of Guest Experience and Education, VP of Philanthropy and Marketing, Chief of Staff, and the President/CEO then review all applications based on an objective rubric, which utilizes the following criteria regarding any proposed scholarships to to be paid to any employees: - The scholarship's impact on leadership development; - The scholarship's impact on professional; skills development; - The scholarship's relevance to the employee's career with the Organization; and - The scholarship's relevance to the Organization's mission. The Organization also takes into consideration the frequency of any underlying applied-for opportunities, the employee's salary range, and the employee's years of service. To be eligible to win, an applicant employee's manager also needs to endorse the employee as eligible and deserving of the scholarship. Such a decision would be based on the employee's performance and the usefulness of any proposed scholarship towards their role and services within the Organization.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <CompensationCommitteeInd>X</CompensationCommitteeInd>
      <CompensationSurveyInd>X</CompensationSurveyInd>
      <BoardOrCommitteeApprovalInd>X</BoardOrCommitteeApprovalInd>
      <SeverancePaymentInd>0</SeverancePaymentInd>
      <SupplementalNonqualRtrPlanInd>0</SupplementalNonqualRtrPlanInd>
      <EquityBasedCompArrngmInd>0</EquityBasedCompArrngmInd>
      <CompBasedOnRevenueOfFlngOrgInd>0</CompBasedOnRevenueOfFlngOrgInd>
      <CompBsdOnRevRelatedOrgsInd>0</CompBsdOnRevRelatedOrgsInd>
      <CompBsdNetEarnsFlngOrgInd>0</CompBsdNetEarnsFlngOrgInd>
      <CompBsdNetEarnsRltdOrgsInd>0</CompBsdNetEarnsRltdOrgsInd>
      <AnyNonFixedPaymentsInd>1</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Gretchen Ostherr</PersonNm>
        <TitleTxt>President &amp; CEO</TitleTxt>
        <BaseCompensationFilingOrgAmt>253494</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>25000</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9973</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>16311</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>304778</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jennifer McKane</PersonNm>
        <TitleTxt>VP of Philantropy &amp; Marketing</TitleTxt>
        <BaseCompensationFilingOrgAmt>151220</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>6385</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>20185</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>177790</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 7</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization may from time-to-time award bonuses and incentive compensation to employees who meet performance goals and who deliver high quality service. Bonuses and non-fixed payments are made in accordance with the Organization's existing compensation and benefit review procedures.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <WorksOfArtGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>1</ContributionCnt>
        <NoncashContributionsRptF990Amt>90000</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Gift Date FMV</MethodOfDeterminingRevenuesTxt>
      </WorksOfArtGrp>
      <BooksAndPublicationsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <NoncashContributionsRptF990Amt>200</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Gift Date FMV</MethodOfDeterminingRevenuesTxt>
      </BooksAndPublicationsGrp>
      <ClothingAndHouseholdGoodsGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <NoncashContributionsRptF990Amt>29639</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Gift Date FMV</MethodOfDeterminingRevenuesTxt>
      </ClothingAndHouseholdGoodsGrp>
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>14</ContributionCnt>
        <NoncashContributionsRptF990Amt>212674</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Gift Date FMV</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>1</ThirdPartiesUsedInd>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 32b:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization maintains relationships with various investment advisors and financial professionals who assist the Organization in timely processing, maintenance, and disposal (if any) of donated financial securities. Additionally, the Organization may incorporate donations of tangible property and artwork into its general operations, programs, and facilities, as applicable and as based on the quality and characteristics of the gift received.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Form 990 is prepared with the assistance of an independent CPA firm. The CPA firm coordinates with key officers and finance personnel of the Organization to prepare and review a draft of the Form 990 prior to its filing with the IRS. As these individuals consider the drafted Form 990, they are given the opportunity to ask questions and to address any concerns with the tax filing or otherwise, including the ability to meet and discuss the Form 990 with the engaged CPA firm. The Form 990 is filed with the IRS by the engaged CPA firm on behalf of the Organization once all relevant compliance and disclosure requirements are fully and accurately addressed, and only once the CPA firm receives final approval and confirmation by the Organization that all applicable persons have been provided a copy of the Form 990 for consideration prior to its submission.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization defines an "Interested Persons" as any Director, Officer, or senior staff member of the Corporation who has a direct or indirect financial interest. The Organization requires that, in connection with any actual or possible conflicts of interest, an interested person must disclose the existence of his or her financial interest to the Chair or President/CEO, as appropriate, and must be given the opportunity to disclose all material facts to the Directors and members of committees with Board-delegated powers considering the proposed transaction or arrangement.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The President &amp; CEO's performance is reviewed annually by the Personnel Committee, which then provides a recommendation on annual compensation to the Executive Committee. As part of its review, the Personnel Committee requests that market comparable compensation figures be prepared by the Organization's Director of Human Resources. Additionally, Personnel Committee members researched market comparable compensation data independently of the Organization's Director of Human Resources. Compensation data used in determining the CEO's wages and benefits included similar sized botanical gardens in the US, several New England institutions of higher education, and six other comparable Maine nonprofits. Final compensation for the Executive was based on the President &amp; CEO meeting agreed upon annual goals from the prior year relative to reasonable and comparable data and figures.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization maintains and makes available to the public upon request copies of its governing documents, conflict of interest policy, and financial statements. Financial and annual reports are available on the Organization's website at: https://www.mainegardens.org/annual-report/</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Deferred revenue write-down 33,625.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XII, Line 2c:</FormAndLineReferenceDesc>
        <ExplanationTxt>The audit process has not changed from the previous year.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>