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      <AvgTotalLobbyingExpendGrp>
        <CurrentYearMinus3Amt>16207</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>21395</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>50442</CurrentYearMinus1Amt>
        <CurrentYearAmt>9609</CurrentYearAmt>
        <TotalAmt>97653</TotalAmt>
      </AvgTotalLobbyingExpendGrp>
      <AvgGrassrootsNontaxableGrp>
        <CurrentYearMinus3Amt>127230</CurrentYearMinus3Amt>
        <CurrentYearMinus2Amt>149447</CurrentYearMinus2Amt>
        <CurrentYearMinus1Amt>151152</CurrentYearMinus1Amt>
        <CurrentYearAmt>151655</CurrentYearAmt>
        <TotalAmt>579484</TotalAmt>
      </AvgGrassrootsNontaxableGrp>
      <GrassrootsCeilingAmt>869226</GrassrootsCeilingAmt>
    </IRS990ScheduleC>
    <IRS990ScheduleD documentId="RetDoc1040000001">
      <CYEndwmtFundGrp>
        <BeginningYearBalanceAmt>30358124</BeginningYearBalanceAmt>
        <ContributionsAmt>500388</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>3664329</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2577315</OtherExpendituresAmt>
        <EndYearBalanceAmt>31945526</EndYearBalanceAmt>
      </CYEndwmtFundGrp>
      <CYMinus1YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>28677517</BeginningYearBalanceAmt>
        <InvestmentEarningsOrLossesAmt>3873359</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>2192752</OtherExpendituresAmt>
        <EndYearBalanceAmt>30358124</EndYearBalanceAmt>
      </CYMinus1YrEndwmtFundGrp>
      <CYMinus2YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>26762060</BeginningYearBalanceAmt>
        <ContributionsAmt>4160000</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>2918954</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>5163497</OtherExpendituresAmt>
        <EndYearBalanceAmt>28677517</EndYearBalanceAmt>
      </CYMinus2YrEndwmtFundGrp>
      <CYMinus3YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>30987978</BeginningYearBalanceAmt>
        <ContributionsAmt>694333</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>-3830875</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1089376</OtherExpendituresAmt>
        <EndYearBalanceAmt>26762060</EndYearBalanceAmt>
      </CYMinus3YrEndwmtFundGrp>
      <CYMinus4YrEndwmtFundGrp>
        <BeginningYearBalanceAmt>24361595</BeginningYearBalanceAmt>
        <ContributionsAmt>1153458</ContributionsAmt>
        <InvestmentEarningsOrLossesAmt>6502544</InvestmentEarningsOrLossesAmt>
        <OtherExpendituresAmt>1029619</OtherExpendituresAmt>
        <EndYearBalanceAmt>30987978</EndYearBalanceAmt>
      </CYMinus4YrEndwmtFundGrp>
      <BoardDesignatedBalanceEOYPct>0.42719</BoardDesignatedBalanceEOYPct>
      <PrmnntEndowmentBalanceEOYPct>0.39711</PrmnntEndowmentBalanceEOYPct>
      <TermEndowmentBalanceEOYPct>0.17570</TermEndowmentBalanceEOYPct>
      <EndowmentsHeldUnrelatedOrgInd>0</EndowmentsHeldUnrelatedOrgInd>
      <EndowmentsHeldRelatedOrgInd>0</EndowmentsHeldRelatedOrgInd>
      <LandGrp>
        <OtherCostOrOtherBasisAmt>85919</OtherCostOrOtherBasisAmt>
        <BookValueAmt>85919</BookValueAmt>
      </LandGrp>
      <BuildingsGrp>
        <OtherCostOrOtherBasisAmt>2213639</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>1539870</DepreciationAmt>
        <BookValueAmt>673769</BookValueAmt>
      </BuildingsGrp>
      <EquipmentGrp>
        <OtherCostOrOtherBasisAmt>1011875</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>994537</DepreciationAmt>
        <BookValueAmt>17338</BookValueAmt>
      </EquipmentGrp>
      <OtherLandBuildingsGrp>
        <OtherCostOrOtherBasisAmt>76918</OtherCostOrOtherBasisAmt>
        <DepreciationAmt>76918</DepreciationAmt>
        <BookValueAmt>0</BookValueAmt>
      </OtherLandBuildingsGrp>
      <TotalBookValueLandBuildingsAmt>777026</TotalBookValueLandBuildingsAmt>
      <OtherAssetsOrgGrp>
        <Desc>Beneficial Interest in Perpetual Trust</Desc>
        <BookValueAmt>2116423</BookValueAmt>
      </OtherAssetsOrgGrp>
      <OtherAssetsOrgGrp>
        <Desc>Other Assets</Desc>
        <BookValueAmt>25425</BookValueAmt>
      </OtherAssetsOrgGrp>
      <TotalBookValueOtherAssetsAmt>2141848</TotalBookValueOtherAssetsAmt>
      <OtherLiabilitiesOrgGrp>
        <Desc>Operating Lease Liabilities</Desc>
        <Amt>74047</Amt>
      </OtherLiabilitiesOrgGrp>
      <TotalLiabilityAmt>74047</TotalLiabilityAmt>
      <FootnoteTextInd>X</FootnoteTextInd>
      <TotalRevEtcAuditedFinclStmtAmt>13635321</TotalRevEtcAuditedFinclStmtAmt>
      <NetUnrealizedGainsInvstAmt>2253220</NetUnrealizedGainsInvstAmt>
      <DonatedServicesAndUseFcltsAmt>13760</DonatedServicesAndUseFcltsAmt>
      <OtherRevenueAmt>518860</OtherRevenueAmt>
      <RevenueNotReportedAmt>2785840</RevenueNotReportedAmt>
      <RevenueSubtotalAmt>10849481</RevenueSubtotalAmt>
      <InvestmentExpensesNotIncldAmt>130261</InvestmentExpensesNotIncldAmt>
      <RevenueNotReportedFinclStmtAmt>130261</RevenueNotReportedFinclStmtAmt>
      <TotalRevenuePerForm990Amt>10979742</TotalRevenuePerForm990Amt>
      <TotExpnsEtcAuditedFinclStmtAmt>9981825</TotExpnsEtcAuditedFinclStmtAmt>
      <DonatedServicesUseFcltsAmt>13760</DonatedServicesUseFcltsAmt>
      <OtherExpensesIncludedAmt>409425</OtherExpensesIncludedAmt>
      <ExpensesNotReportedAmt>423185</ExpensesNotReportedAmt>
      <ExpensesSubtotalAmt>9558640</ExpensesSubtotalAmt>
      <InvestmentExpensesNotIncld2Amt>130261</InvestmentExpensesNotIncld2Amt>
      <ExpensesNotRptFinclStmtAmt>130261</ExpensesNotRptFinclStmtAmt>
      <TotalExpensesPerForm990Amt>9688901</TotalExpensesPerForm990Amt>
      <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 institution.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part X, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>The Institute is exempt from income tax under Section 501(c)(3) of the Internal Revenue Code (the Code). In addition, the Institute qualifies for the charitable contribution deduction under Section 170(b)(1)(A) and has been classified as an organization other than a private foundation under Section 509(a)(2) of the Code. U.S. generally accepted accounting principles (U.S. GAAP) require management to evaluate tax positions taken by the Institute and recognize a liability if the Institute has taken an uncertain position that more likely than not would not be sustained upon examination by the Internal Revenue Service and state taxing authorities. The Institute is subject to routine audits by taxing jurisdictions; however, there are currently no audits for any tax periods in progress.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XI, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in Beneficial Interest in Perpetual Trust 109,435. Cost of Goods Sold 409,425.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part XII, Line 2d - Other Adjustments:</FormAndLineReferenceDesc>
        <ExplanationTxt>Cost of Goods Sold 409,425.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleD>
    <IRS990ScheduleI documentId="RetDoc1041900001">
      <GrantRecordsMaintainedInd>1</GrantRecordsMaintainedInd>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Luke's Lobster Holding LLC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>84 Industrial Park Rd</AddressLine1Txt>
          <CityNm>Saco</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04072</ZIPCd>
        </USAddress>
        <RecipientEIN>383977756</RecipientEIN>
        <CashGrantAmt>180811</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Lift all Boats pass-through</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Eastport Energy Committee</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>22 Washington St</AddressLine1Txt>
          <CityNm>Eastport</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04631</ZIPCd>
        </USAddress>
        <RecipientEIN>016000026</RecipientEIN>
        <CashGrantAmt>43729</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Climate Planning</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Hancock County Planning Commission</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 1703</AddressLine1Txt>
          <CityNm>Ellsworth</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04605</ZIPCd>
        </USAddress>
        <RecipientEIN>010310087</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>12500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Broadband pass-through</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Midcoast Council of Governments</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>165 Main St Ste 4</AddressLine1Txt>
          <CityNm>Damariscotta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04543</ZIPCd>
        </USAddress>
        <RecipientEIN>010542494</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>12500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Broadband pass-through</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Foundation for Strong Maine Economy</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>128 State St Ste 101</AddressLine1Txt>
          <CityNm>Augusta</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04330</ZIPCd>
        </USAddress>
        <RecipientEIN>300036992</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>15000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Aquaculture support</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Town of Isle au Haut</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 71</AddressLine1Txt>
          <CityNm>Isle au Haut</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04645</ZIPCd>
        </USAddress>
        <RecipientEIN>016000213</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>37500</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Broadband pass-through</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Matinicus Isle Plantation</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 198 17 South Rd</AddressLine1Txt>
          <CityNm>Matinicus</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04851</ZIPCd>
        </USAddress>
        <RecipientEIN>016000481</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>20000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ShoreUp planning grant</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Town of Tremont</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>20 Harbor Dr</AddressLine1Txt>
          <CityNm>Bass Harbor</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04653</ZIPCd>
        </USAddress>
        <RecipientEIN>016000399</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>15000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ShoreUp planning grant</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Peaks Environmental Action Team</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>24 3rd St</AddressLine1Txt>
          <CityNm>Peaks Island</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04208</ZIPCd>
        </USAddress>
        <RecipientEIN>264798430</RecipientEIN>
        <IRCSectionDesc>501(c)(3)</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ShoreUp planning grant</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Town of Islesboro</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 76 150 Main Rd</AddressLine1Txt>
          <CityNm>Islesboro</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04848</ZIPCd>
        </USAddress>
        <RecipientEIN>016000214</RecipientEIN>
        <IRCSectionDesc>Government</IRCSectionDesc>
        <CashGrantAmt>10000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ShoreUp planning grant</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Town of Isle au Haut</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>PO Box 71</AddressLine1Txt>
          <CityNm>Isle au Haut</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04645</ZIPCd>
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        <RecipientEIN>016000213</RecipientEIN>
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        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>ShoreUp planning grant</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Maine Ocean Farms LLC</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>753 River Rd Unit 1</AddressLine1Txt>
          <CityNm>Brunswick</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04011</ZIPCd>
        </USAddress>
        <RecipientEIN>822123828</RecipientEIN>
        <CashGrantAmt>30000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Electric boat support</PurposeOfGrantTxt>
      </RecipientTable>
      <RecipientTable>
        <RecipientBusinessName>
          <BusinessNameLine1Txt>Pendleton Yacht Yard</BusinessNameLine1Txt>
        </RecipientBusinessName>
        <USAddress>
          <AddressLine1Txt>525 Pendleton Point Road</AddressLine1Txt>
          <CityNm>Islesboro</CityNm>
          <StateAbbreviationCd>ME</StateAbbreviationCd>
          <ZIPCd>04848</ZIPCd>
        </USAddress>
        <RecipientEIN>010392477</RecipientEIN>
        <CashGrantAmt>40000</CashGrantAmt>
        <NonCashAssistanceAmt>0</NonCashAssistanceAmt>
        <PurposeOfGrantTxt>Electric boat forgivable loan</PurposeOfGrantTxt>
      </RecipientTable>
      <Total501c3OrgCnt>9</Total501c3OrgCnt>
      <TotalOtherOrgCnt>4</TotalOtherOrgCnt>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Scholarships</GrantTypeTxt>
        <RecipientCnt>52</RecipientCnt>
        <CashGrantAmt>92500</CashGrantAmt>
        <NonCashAssistanceDesc>College scholarship awards</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
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        <RecipientCnt>21</RecipientCnt>
        <CashGrantAmt>51435</CashGrantAmt>
        <NonCashAssistanceDesc>Experiential scholarship awards</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Compass Grants</GrantTypeTxt>
        <RecipientCnt>14</RecipientCnt>
        <CashGrantAmt>21300</CashGrantAmt>
        <NonCashAssistanceDesc>Workforce grants</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Spark! Grants</GrantTypeTxt>
        <RecipientCnt>14</RecipientCnt>
        <CashGrantAmt>50200</CashGrantAmt>
        <NonCashAssistanceDesc>Spark! Energy efficiency grants</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Business Resilience Grants</GrantTypeTxt>
        <RecipientCnt>15</RecipientCnt>
        <CashGrantAmt>35500</CashGrantAmt>
        <NonCashAssistanceDesc>Grants to small businesses</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <GrantsOtherAsstToIndivInUSGrp>
        <GrantTypeTxt>Sustainable Communities</GrantTypeTxt>
        <RecipientCnt>7</RecipientCnt>
        <CashGrantAmt>7000</CashGrantAmt>
        <NonCashAssistanceDesc>Grants to communities hosting island fellows</NonCashAssistanceDesc>
      </GrantsOtherAsstToIndivInUSGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 2:</FormAndLineReferenceDesc>
        <ExplanationTxt>Grants and scholarship funds are monitored through continued relationships with and reporting from the recipients.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleI>
    <IRS990ScheduleJ documentId="RetDoc1042400001">
      <HousingAllowanceOrResidenceInd>X</HousingAllowanceOrResidenceInd>
      <WrittenPolicyRefTAndEExpnssInd>0</WrittenPolicyRefTAndEExpnssInd>
      <SubstantiationRequiredInd>0</SubstantiationRequiredInd>
      <IndependentConsultantInd>X</IndependentConsultantInd>
      <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>0</AnyNonFixedPaymentsInd>
      <InitialContractExceptionInd>0</InitialContractExceptionInd>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Kimberly Hamilton</PersonNm>
        <TitleTxt>President</TitleTxt>
        <BaseCompensationFilingOrgAmt>281872</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>45032</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>19738</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11650</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>358292</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Peter Rand</PersonNm>
        <TitleTxt>Past CFO/Current COO</TitleTxt>
        <BaseCompensationFilingOrgAmt>185767</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>11850</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>21507</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>219124</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Susan Bernier</PersonNm>
        <TitleTxt>Chief Mkting &amp; Philanthropy Officer</TitleTxt>
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        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>10968</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>0</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>193846</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jacqueline Little</PersonNm>
        <TitleTxt>Chief People and Culture Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>147934</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>9695</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>30201</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>187830</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Jennifer Seavey</PersonNm>
        <TitleTxt>Chief Programs Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>171187</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>3414</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>10948</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>185549</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <RltdOrgOfficerTrstKeyEmplGrp>
        <PersonNm>Nicholas Battista</PersonNm>
        <TitleTxt>Chief Policy Officer</TitleTxt>
        <BaseCompensationFilingOrgAmt>144352</BaseCompensationFilingOrgAmt>
        <CompensationBasedOnRltdOrgsAmt>0</CompensationBasedOnRltdOrgsAmt>
        <BonusFilingOrganizationAmount>0</BonusFilingOrganizationAmount>
        <BonusRelatedOrganizationsAmt>0</BonusRelatedOrganizationsAmt>
        <OtherCompensationFilingOrgAmt>0</OtherCompensationFilingOrgAmt>
        <OtherCompensationRltdOrgsAmt>0</OtherCompensationRltdOrgsAmt>
        <DeferredCompensationFlngOrgAmt>8780</DeferredCompensationFlngOrgAmt>
        <DeferredCompRltdOrgsAmt>0</DeferredCompRltdOrgsAmt>
        <NontaxableBenefitsFilingOrgAmt>11197</NontaxableBenefitsFilingOrgAmt>
        <NontaxableBenefitsRltdOrgsAmt>0</NontaxableBenefitsRltdOrgsAmt>
        <TotalCompensationFilingOrgAmt>164329</TotalCompensationFilingOrgAmt>
        <TotalCompensationRltdOrgsAmt>0</TotalCompensationRltdOrgsAmt>
        <CompReportPrior990FilingOrgAmt>0</CompReportPrior990FilingOrgAmt>
        <CompReportPrior990RltdOrgsAmt>0</CompReportPrior990RltdOrgsAmt>
      </RltdOrgOfficerTrstKeyEmplGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Part I, Line 1b</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization provided a taxable housing allowance to the current president. The housing allowance was included in the offer of employment, and is not part of an organizational policy.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleJ>
    <IRS990ScheduleL documentId="RetDoc1042800001">
      <BusTrInvolveInterestedPrsnGrp>
        <NameOfInterested>
          <PersonNm>Philip Conkling</PersonNm>
        </NameOfInterested>
        <RelationshipDescriptionTxt>Co-Founder</RelationshipDescriptionTxt>
        <TransactionAmt>556518</TransactionAmt>
        <TransactionDesc>See Part V.</TransactionDesc>
        <SharingOfRevenuesInd>0</SharingOfRevenuesInd>
      </BusTrInvolveInterestedPrsnGrp>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Schedule L, Part IV, Column d:</FormAndLineReferenceDesc>
        <ExplanationTxt>During the fiscal year ended June 30, 2025, the Organization completed the transfer of a split dollar life insurance policy established by the Organization's Board of Trustees under an Employment Agreement ("Agreement") dated December 19, 2012 with one of the Organization's founders, Philip Conkling ("Founder"). Under terms of the Agreement, the Organization purchased a whole life policy on Founder's life, with Island Institute as a named beneficiary and with full payment on the policy to be made over ten years, after which time the policy and associated cash surrender value would be transferred to Founder. Policy payments were made as required over the 10-year period, and during the fiscal year ended June 30, 2025, the transfer of the policy and associated cash surrender value to Founder was completed, fulfilling the terms of the Agreement. There was no cash exchanged as part of the transfer of the policy to Founder. The removal of the policy's cash surrender value carried as an asset on the Organizations financial records and with a balance of $556,518 at time of transfer, is reflected as non-operating compensation expense.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleL>
    <IRS990ScheduleM documentId="RetDoc1042900001">
      <SecuritiesPubliclyTradedGrp>
        <NonCashCheckboxInd>X</NonCashCheckboxInd>
        <ContributionCnt>7</ContributionCnt>
        <NoncashContributionsRptF990Amt>26814</NoncashContributionsRptF990Amt>
        <MethodOfDeterminingRevenuesTxt>Stock Market Value</MethodOfDeterminingRevenuesTxt>
      </SecuritiesPubliclyTradedGrp>
      <Form8283ReceivedCnt>0</Form8283ReceivedCnt>
      <AnyPropertyThatMustBeHeldInd>0</AnyPropertyThatMustBeHeldInd>
      <ReviewProcessUnusualNCGiftsInd>1</ReviewProcessUnusualNCGiftsInd>
      <ThirdPartiesUsedInd>0</ThirdPartiesUsedInd>
    </IRS990ScheduleM>
    <IRS990ScheduleO documentId="RetDoc1044400001">
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part III, line 3</FormAndLineReferenceDesc>
        <ExplanationTxt>Island Institute completed a strategic refresh in March 2025, which was approved by the Board of Trustees. As a part of this process, the organization decided to close the organization's retail store, Archipelago, at the end of calendar year 2025 and wind down the Teaching and Learning Collaborative. The latter program was subsequently transitioned to a partner organization.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section A, line 4</FormAndLineReferenceDesc>
        <ExplanationTxt>During the year, the Organization amended their bylaws to update the mission statement, and change the minimum number of Board Members from 15 to 12.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 11b</FormAndLineReferenceDesc>
        <ExplanationTxt>The Board of Trustees has delegated the detail review of the draft Form 990 prepared by independent accountants to their Finance committee. The Finance Committee and management reviews the 990, and prior to submission, a public inspection copy of the Form 990 is provided to the entire Board of Trustees.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 12c</FormAndLineReferenceDesc>
        <ExplanationTxt>The organization monitors compliance with its conflict of interest policy through a formal annual conflict of interest statement required by all trustees and ongoing communication with members of the board of trustees throughout the year.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section B, line 15</FormAndLineReferenceDesc>
        <ExplanationTxt>The Executive Committee of the board is empowered to undertake all trustee matters, including an annual review of the president's performance. They meet annually with the president and review their formal evaluation. The full board in executive session reviews the outcome of that meeting and then votes on the president's compensation, taking into account comparable compensation data obtained for other similar organizations. The organization conducts a market study of compensation every 2 to 3 years of employee compensation, including for key employees. These deliberations and decisions are documented in meeting minutes and in budget materials.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part VI, Section C, line 19</FormAndLineReferenceDesc>
        <ExplanationTxt>The Organization makes these documents available upon request.</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part X, Line 10: Land, Buildings, and Equipment</FormAndLineReferenceDesc>
        <ExplanationTxt>Section 1.263(a)-3(n) Election: Island Institute 386 Main Street, PO Box 648 Rockland, ME 04841 EIN: 22-2786731 Section 1.263(a)-3(n) Election: Island Institute is electing to capitalize repair and maintenance costs under Regulation Section 1.263(a)-3(n).</ExplanationTxt>
      </SupplementalInformationDetail>
      <SupplementalInformationDetail>
        <FormAndLineReferenceDesc>Form 990, Part XI, line 9:</FormAndLineReferenceDesc>
        <ExplanationTxt>Change in Beneficial Interest in Perpetual Trust 109,435.</ExplanationTxt>
      </SupplementalInformationDetail>
    </IRS990ScheduleO>
  </ReturnData>
</Return>