Liabilities / Assets
45th percentile
Higher debt load relative to assets than 45% of similar nonprofits.
EIN 04-6000828 • 501(c)3 • Portsmouth, NH
Profile
The mission of Star Island Corporation is to hold and maintain Star Island and such other property as the Corporation may hold or acquire, as a center for religious, educational, and kindred purposes consistent with the principles of the Unitarian Universalist Association and the United Church of Christ.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
45th percentile
Higher debt load relative to assets than 45% of similar nonprofits.
Liabilities / Revenue
64th percentile
Higher debt load relative to revenue than 64% of similar nonprofits.
Net Margin
44th percentile
Higher net margin than 44% of similar nonprofits.
Top Officer Pay
43rd percentile
Higher top officer pay than 43% of similar nonprofits.
Top officer pay equals 3.3% of source-year revenue.
Asset Growth
39th percentile
Faster asset growth than 39% of similar nonprofits.
Revenue Growth
40th percentile
Faster revenue growth than 40% of similar nonprofits.
Assets
Up$14,710,633
Up $177,479 (+1.2%) from 2024
Liabilities
Down$1,991,499
Down $134,035 (-6.3%) from 2024
Net Assets
Up$12,719,134
Up $311,514 (+2.5%) from 2024
Revenue
Up$5,073,609
Up $131,712 (+2.7%) from 2024
Expenses
Up$4,963,515
Up $397,863 (+8.7%) from 2024
Net Income
Down$110,094
Down $266,151 (-71%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
The mission of Star Island Corporation is to hold and maintain Star Island and such other property as the Corporation may hold or acquire, as a center for religious, educational, and kindred purposes consistent with the principles of the Unitarian Universalist Association and the United Church of Christ.
Operation of a religious and educational conference center on Star Island
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Land, Buildings, and Equipment, Net | $6,615,875 | $6,997,878 | ▲ $382,003 |
| Savings and Temporary Cash Investments | $1,786,013 | $1,463,769 | ▼ $322,244 |
| Prepaid Expenses and Deferred Charges | $210,206 | $183,397 | ▼ $26,809 |
| Intangible Assets | $66,398 | $33,431 | ▼ $32,967 |
| Pledges and Grants Receivable | - | $4,500 | - |
| Cash and Non-Interest-Bearing Accounts | $300 | $300 | → $0 |
| Total Assets | $14,533,154 | $14,710,633 | ▲ $177,479 |
| Other Assets Total | $5,854,362 | $6,027,358 | ▲ $172,996 |
| Liabilities | |||
| Mortgage Notes Payable Secured by Investment Property | $1,878,738 | $1,863,099 | ▼ $15,639 |
| Accounts Payable and Accrued Expenses | $179,399 | $94,299 | ▼ $85,100 |
| Other Liabilities | $67,397 | $34,101 | ▼ $33,296 |
| Total Liabilities | $2,125,534 | $1,991,499 | ▼ $134,035 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $11,922,504 | $12,295,701 | ▲ $373,197 |
| Net Assets With Donor Restrictions | $485,116 | $423,433 | ▼ $61,683 |
| Total Net Assets Fund Balance | $12,407,620 | $12,719,134 | ▲ $311,514 |
| Total Liabilities and Net Assets / Fund Balance | $14,533,154 | $14,710,633 | ▲ $177,479 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Buildings | $5,656,572 | $3,401,769 | $9,058,341 |
| Equipment | $471,495 | $2,042,789 | $2,514,284 |
| Other Land Buildings | $710,282 | $502,014 | $1,212,296 |
| Land | $159,529 | - | $159,529 |
| Other Assets Org | $6,010,710 | - | - |
| Period | Beginning | Contrib. | Gain/Loss | Other Uses | End |
|---|---|---|---|---|---|
| 2024 | $16,140 | - | - | - | - |
| 2023 | $16,140 | - | - | - | $16,140 |
| 2022 | $16,140 | - | - | - | $16,140 |
| 2021 | $16,140 | - | - | - | $16,140 |
| Name | Title | Full / Part Time | Base | Other | Total |
|---|---|---|---|---|---|
| Joseph Watts | CEO | FT | $156,835 | $10,459 | $167,294 |
| Name | Title |
|---|---|
| Debbie Duval | President |
| Caroline Quijada | Vice President |
| Ali Walton | Director |
| April Rosario | Director |
| Cary Cuicco | Director |
| Elizabeth Erickson | Director |
| Kyle Belmont | Director |
| Lucia Green-Weiskel | Director |
| Scott Anderson | Director |
| Tom Kennnedy | Director |
| Topher Soltys | Director |
| Leon Dunkley | Past Director |
| Arlyn Weeks | Clerk |
| Joni Abbadessa | Treasurer |
| Contractor | Services | Location | Compensation |
|---|---|---|---|
| Isles of Shoals Steamship Co Inc | Transportation & parking | 315 Market Street, Portsmouth, NH 03801 | $192,357 |
| - | Transportation & capital projects | 2 Mayflower Lane, So Berwick, ME 03908 | $158,346 |
| Line Item | Amount |
|---|---|
| Other Expenses | $2,639,174 |
| Salaries, Compensation, and Employee Benefits | $2,324,341 |
| Total Fundraising Expense | $178,588 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Other Salaries and Wages | $1,413,741 | $279,720 | $102,462 | $1,795,923 |
| Fees for Services Other | $383,918 | $72,920 | $32,208 | $489,046 |
| Depreciation Depletion | $446,667 | - | - | $446,667 |
| Insurance | $287,311 | $13,327 | - | $300,638 |
| Conferences and Meetings | $233,302 | $1,493 | $161 | $234,956 |
| Other Employee Benefits | $141,184 | $27,935 | $10,232 | $179,351 |
| Office Expenses | $130,697 | $29,388 | $9,592 | $169,677 |
| Current Officers, Directors, Trustees, and Key Employees | $131,694 | $26,056 | $9,545 | $167,295 |
| Payroll Taxes | $116,259 | $23,003 | $8,426 | $147,688 |
| Other Expenses | $71,132 | $10,226 | $493 | $71,132 |
| Occupancy | $45,171 | $20,641 | $3,440 | $69,252 |
| Interest | $46,479 | $5,432 | - | $51,911 |
| Fees for Services Accounting | - | $36,425 | - | $36,425 |
| Pension Plan Contributions | $26,830 | $5,309 | $1,945 | $34,084 |
| Fees for Services Legal | - | $15,072 | - | $15,072 |
| Advertising | $1,340 | $1,970 | - | $3,310 |
| Travel | $1,157 | $229 | $84 | $1,470 |
| Total Functional Expenses | $4,215,781 | $569,146 | $178,588 | $4,963,515 |
| Line Item | Amount |
|---|---|
| Fundraising Gross Income | $59,482 |
| Fundraising Direct Expenses | $10,311 |
| Professional Fundraising Fees | $0 |
| Event | Gross Receipts | Gross Revenue | Direct Expenses | Net Income |
|---|---|---|---|---|
| Open House | $27,820 | $27,820 | $4,752 | $23,068 |
| Starry Night | $18,450 | $18,450 | $2,632 | $15,818 |
| Total Events | $59,482 | $59,482 | $10,311 | $49,171 |
| Liability | Amount |
|---|---|
| Right of Use Operating Lease Obligation | $34,101 |
“During 2025, the Organization delegated its human resource (Jan-Dec) function to Insource Services, an unrelated organization.”
“The Corporation's by-laws permit a membership of up to 500 persons. Members collectively agree to be responsible for the ongoing well-being of Star Island Corporation.”
“The Corporation's members are responsible for electing members of the Governing Board. Further information regarding membership in The Star Island Corp can be found at www.starisland.org.”
“Prior to filing, the 990 is reviewed in detail by the CEO and Finance Team. The 990 is then provided to the Board Treasurer, the Audit Subcommittee, and the Finance Committee for their review and approval. Once these individuals and committees have reviewed and approved the Form 990, the Form is distributed to the entire Board for review and adoption.”
“The Organization requires all officers and directors to annually disclose any potential conflicts of interest to determine if any further action is considered necessary.”
“The Organization utilizes outside consultants in determining reasonable compensation for their CEO, and other top management officials. The Organization's directors are entirely volunteer and none receive any compensation for their services.”
“The Organization makes its Governing Documents, Conflict of Interest Policy, and Financial Statements available to the public upon request. The Organization also offers some of this information through its website.”
“The Star Island Permanent Trust is a separate trust that was established by Star Island Corporation to manage and oversee investments that were originally held and managed by Star Island Corporation. The Trust is governed by a board of trustees that is separate from the governing board of Star Island Corporation, and it files its own separate Form 990. Because Star Island Corporation is the sole beneficiary of the Trust and established the Trust, accounting standards require that the Trust be included on the financial statements of the Star Island Corporation. Therefore, Line 15 of the balance sheet includes the beneficial interest in Star Island Permanent Trust. Additional information regarding the Star Island Permanent Trust is included on Schedule R.”
“Section 1.263(a)-3(n) Election: The Star Island Corporation 30 Middle Street Portsmouth, NH 03801 EIN: 04-6000828 Section 1.263(a)-3(n) Election: The Star Island Corporation is electing to capitalize repair and maintenance costs under Regulation Section 1.263(a)-3(n).”
“Change in Beneficial Interest in Star Island Permanent Trust 201,420.”
“The Organization maintains various collections which are primarily housed on the island, with some other more delicate pieces housed and displayed at the Portsmouth Athenaeum. The collection is composed of photographs, ceramics, works on paper, furniture, textiles and other local period pieces held for educational and curatorial purposes. In accordance with U.S. GAAP, these collections are not included in the consolidated statements of financial position. The Organization employs a seasonal curator to ensure its collections are protected and preserved.”
“The Organization maintains a collection of photographs, ceramics, works on paper, furniture, textiles and other local period pieces to preserve for future generations and to display to the public for educational purposes. Many of these pieces relate to the history of Star Island. Preservation and exhibition of these pieces support the exempt purpose of the Organization as described in Part III.”
“The intended use for the Corporation's endowment funds is to support the Corporation's primary tax exempt purpose including, but not limited to: maintaining the property and buildings thereon and safeguarding the financial viability of the Corporation for the future.”
“The Corporation and the Permanent Trust are exempt from taxes under Internal Revenue Code Section 501(c)(3) to operate as not-for-profits. The Corporation has also been classified as an entity that is not a private foundation within the meaning of Section 509(a), and contributions to the Corporation are deductible by the donors as provided in Section 170(b)(1)(A)(viii). FASB Accounting Standards Codification (ASC) Topic 740, Income Taxes, establishes financial accounting and disclosure requirements for recognition and measurement of tax positions taken or expected to be taken. Management has reviewed the tax provisions for the Organization under FASB ASC Topic 740 and determined it did not have a material impact on the Organization's consolidated financial statements.”
This appendix keeps the raw XML leaves available for debugging and edge-case review. The human report above is the primary experience.
| Path | # | Value |
|---|---|---|
| IRS990/AccountantCompileOrReviewInd | 0 | 0 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 179399 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 94299 |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | Operation of a religious and educational conference center on Star Island |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 1970 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1340 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 3310 |
| IRS990/AllOtherContributionsAmt | 0 | 926318 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 1 |
| IRS990/AuditCommitteeInd | 0 | 1 |
| IRS990/BackupWthldComplianceInd | 0 | 1 |
| IRS990/BooksInCareOfDetail/PersonNm | 0 | Joseph Watts |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6034306272 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 30 Middle Street |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | Portsmouth |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 03801 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 300 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 300 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 2 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 9545 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 26056 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 131694 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 167295 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 1 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConferencesMeetingsGrp/FundraisingAmt | 0 | 161 |
| IRS990/ConferencesMeetingsGrp/ManagementAndGeneralAmt | 0 | 1493 |
| IRS990/ConferencesMeetingsGrp/ProgramServicesAmt | 0 | 233302 |
| IRS990/ConferencesMeetingsGrp/TotalAmt | 0 | 234956 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 1 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 0 | 192357 |
| IRS990/ContractorCompensationGrp/CompensationAmt | 1 | 158346 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 0 | 315 Market Street |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/AddressLine1Txt | 1 | 2 Mayflower Lane |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 0 | Portsmouth |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/CityNm | 1 | So Berwick |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 0 | NH |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/StateAbbreviationCd | 1 | ME |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 0 | 03801 |
| IRS990/ContractorCompensationGrp/ContractorAddress/USAddress/ZIPCd | 1 | 03908 |
| IRS990/ContractorCompensationGrp/ContractorName/BusinessName/BusinessNameLine1Txt | 0 | Isles of Shoals Steamship Co Inc |
| IRS990/ContractorCompensationGrp/ContractorName/PersonNm | 0 | Seacoast Maritime Charters LLC |
| IRS990/ContractorCompensationGrp/ServicesDesc | 0 | Transportation & parking |
| IRS990/ContractorCompensationGrp/ServicesDesc | 1 | Transportation & capital projects |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 1186403 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 15344 |
| IRS990/CYOtherExpensesAmt | 0 | 2639174 |
| IRS990/CYOtherRevenueAmt | 0 | 203164 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 3668698 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 110094 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 2324341 |
| IRS990/CYTotalExpensesAmt | 0 | 4963515 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 178588 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 5073609 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 1 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 446667 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 446667 |
| IRS990/Desc | 0 | Since 1915, The Star Island Corporation has operated Star Island as a religious and educational conference center. During 2025, approximately 4,003 individuals attended 60 conferences held during the year. Conferences covered topics from the arts to natural history, from religious education to laity training, and from spirituality to international affairs. The Corporation strives to make these conferences affordable for all, even though room and board revenue only manages to cover approximately 63% of its annual operating costs. Star honors its religious purpose, among other things, by having a minister of the week present on the island during the main summer conference weeks and having daily chapel services during these weeks. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 1 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRestrictionNetAssetsGrp/BOYAmt | 0 | 485116 |
| IRS990/DonorRestrictionNetAssetsGrp/EOYAmt | 0 | 423433 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 1 |
| IRS990/EmployeeCnt | 0 | 183 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 4215781 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 0 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 36425 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 36425 |
| IRS990/FeesForServicesLegalGrp/ManagementAndGeneralAmt | 0 | 15072 |
| IRS990/FeesForServicesLegalGrp/TotalAmt | 0 | 15072 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 32208 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 72920 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 383918 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 489046 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 0 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 1 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 2 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 3 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 4 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 5 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 6 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 7 | 0.20 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 8 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 9 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 10 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 11 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 12 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 13 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRltdOrgRt | 14 | 0.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 12 | 3.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 13 | 2.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 14 | 40.00 |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 5 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 6 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 7 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 8 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 9 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 10 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 11 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 12 | X |
| IRS990/Form990PartVIISectionAGrp/IndividualTrusteeOrDirectorInd | 13 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 4 | X |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/OtherCompensationAmt | 14 | 10459 |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 0 | Debbie Duval |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | Caroline Quijada |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | Joni Abbadessa |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | Arlyn Weeks |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | Scott Anderson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | Kyle Belmont |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | Cary Cuicco |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | Elizabeth Erickson |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | Lucia Green-Weiskel |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | Tom Kennnedy |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | April Rosario |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | Topher Soltys |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 12 | Ali Walton |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 13 | Leon Dunkley |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 14 | Joseph Watts |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromOrgAmt | 14 | 156835 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 1 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 2 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 3 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 4 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 5 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 6 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 7 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 8 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 9 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 10 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 11 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 12 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 13 | 0 |
| IRS990/Form990PartVIISectionAGrp/ReportableCompFromRltdOrgAmt | 14 | 0 |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 0 | President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | Vice President |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | Treasurer |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | Clerk |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 12 | Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 13 | Past Director |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 14 | CEO |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1915 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedBasisGrp/ConsolidatedBasisFinclStmtInd | 0 | X |
| IRS990/FSAuditedInd | 0 | 1 |
| IRS990/FundraisingActivitiesInd | 0 | 1 |
| IRS990/FundraisingDirectExpensesAmt | 0 | 10311 |
| IRS990/FundraisingGrossIncomeAmt | 0 | 59482 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 1210 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 13 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 1210 |
| IRS990/GrossReceiptsAmt | 0 | 5083920 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 153993 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 1 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InfoInScheduleOPartXIInd | 0 | X |
| IRS990/InfoInScheduleOPartXInd | 0 | X |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 13327 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 287311 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 300638 |
| IRS990/IntangibleAssetsGrp/BOYAmt | 0 | 66398 |
| IRS990/IntangibleAssetsGrp/EOYAmt | 0 | 33431 |
| IRS990/InterestGrp/ManagementAndGeneralAmt | 0 | 5432 |
| IRS990/InterestGrp/ProgramServicesAmt | 0 | 46479 |
| IRS990/InterestGrp/TotalAmt | 0 | 51911 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 14134 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 14134 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/IRPDocumentCnt | 0 | 38 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 5946572 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 6615875 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 6997878 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 12944450 |
| IRS990/LegalDomicileStateCd | 0 | NH |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 0 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembersOrStockholdersInd | 0 | 1 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | The mission of Star Island Corporation is to hold and maintain Star Island and such other property as the Corporation may hold or acquire, as a center for religious, educational, and kindred purposes consistent with the principles of the Unitarian Universalist Association and the United Church of Christ. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/BOYAmt | 0 | 1878738 |
| IRS990/MortgNotesPyblScrdInvstPropGrp/EOYAmt | 0 | 1863099 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 12407620 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 12719134 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 1210 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 1210 |
| IRS990/NetIncmFromFundraisingEvtGrp/ExclusionAmt | 0 | 49171 |
| IRS990/NetIncmFromFundraisingEvtGrp/TotalRevenueColumnAmt | 0 | 49171 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 153993 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 153993 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 11922504 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 12295701 |
| IRS990/NoncashContributionsAmt | 0 | 13674 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 3440 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 20641 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 45171 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 69252 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 9592 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 29388 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 130697 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 169677 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherAssetsTotalGrp/BOYAmt | 0 | 5854362 |
| IRS990/OtherAssetsTotalGrp/EOYAmt | 0 | 6027358 |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 201420 |
| IRS990/OtherEmployeeBenefitsGrp/FundraisingAmt | 0 | 10232 |
| IRS990/OtherEmployeeBenefitsGrp/ManagementAndGeneralAmt | 0 | 27935 |
| IRS990/OtherEmployeeBenefitsGrp/ProgramServicesAmt | 0 | 141184 |
| IRS990/OtherEmployeeBenefitsGrp/TotalAmt | 0 | 179351 |
| IRS990/OtherExpensesGrp/Desc | 0 | Food |
| IRS990/OtherExpensesGrp/Desc | 1 | Miscellaneous |
| IRS990/OtherExpensesGrp/Desc | 2 | Charter & Ferry Service |
| IRS990/OtherExpensesGrp/Desc | 3 | Fuel |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 493 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 10226 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 431368 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 162124 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 145407 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 71132 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 431368 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 172843 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 145407 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 71132 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 67397 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 34101 |
| IRS990/OtherSalariesAndWagesGrp/FundraisingAmt | 0 | 102462 |
| IRS990/OtherSalariesAndWagesGrp/ManagementAndGeneralAmt | 0 | 279720 |
| IRS990/OtherSalariesAndWagesGrp/ProgramServicesAmt | 0 | 1413741 |
| IRS990/OtherSalariesAndWagesGrp/TotalAmt | 0 | 1795923 |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayPremiumsPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 8426 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 23003 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 116259 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 147688 |
| IRS990/PensionPlanContributionsGrp/FundraisingAmt | 0 | 1945 |
| IRS990/PensionPlanContributionsGrp/ManagementAndGeneralAmt | 0 | 5309 |
| IRS990/PensionPlanContributionsGrp/ProgramServicesAmt | 0 | 26830 |
| IRS990/PensionPlanContributionsGrp/TotalAmt | 0 | 34084 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 4500 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 210206 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 183397 |
| IRS990/PrincipalOfficerNm | 0 | Joseph Watts |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 900099 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 721000 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 3 | 721000 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | Room and Board |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | Other Guest Services |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | Snack Bar |
| IRS990/ProgramServiceRevenueGrp/Desc | 3 | Parking Income |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 0 | 85806 |
| IRS990/ProgramServiceRevenueGrp/ExclusionAmt | 1 | 81360 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 3213419 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 288113 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 3213419 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 288113 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 85806 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 3 | 81360 |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 1414936 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 20012 |
| IRS990/PYOtherExpensesAmt | 0 | 2457710 |
| IRS990/PYOtherRevenueAmt | 0 | 184619 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 3322330 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 376245 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 2107942 |
| IRS990/PYTotalExpensesAmt | 0 | 4565652 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 4941897 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/RcvFndsToPayPrsnlBnftCntrctInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 110094 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 1 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 1 |
| IRS990/RelatedOrganizationsAmt | 0 | 260085 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 153993 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 1 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 3668698 |
| IRS990/SavingsAndTempCashInvstGrp/BOYAmt | 0 | 1786013 |
| IRS990/SavingsAndTempCashInvstGrp/EOYAmt | 0 | 1463769 |
| IRS990ScheduleA/AmountsRcvdDsqlfyPersonGrp/CurrentTaxYearAmt | 0 | 76027 |
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