Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
EIN 11-2592744 • 501(c)3 • Captree Island, NY
Profile
Organized to restore and preserve the fire island lighthouse and its related structures. The society conducts research, runs educational programs and workshops, and provides services on the cultural background, natural resources and the conservation challenges of fire island.
Precomputed percentiles relative to similar nonprofits. These scores are descriptive rather than judgmental.
Liabilities / Assets
35th percentile
Higher debt load relative to assets than 35% of similar nonprofits.
Liabilities / Revenue
46th percentile
Higher debt load relative to revenue than 46% of similar nonprofits.
Net Margin
78th percentile
Higher net margin than 78% of similar nonprofits.
Top Officer Pay
57th percentile
Higher top officer pay than 57% of similar nonprofits.
Top officer pay equals 14.4% of source-year revenue.
Asset Growth
69th percentile
Faster asset growth than 69% of similar nonprofits.
Revenue Growth
59th percentile
Faster revenue growth than 59% of similar nonprofits.
Assets
Up$1,978,437
Up $208,850 (+12%) from 2024
Liabilities
Up$30,625
Up $1,663 (+5.7%) from 2024
Net Assets
Up$1,947,812
Up $207,187 (+12%) from 2024
Revenue
Up$540,028
Up $62,060 (+13%) from 2024
Expenses
Up$395,217
Up $70,072 (+22%) from 2024
Net Income
Down$144,811
Down $8,012 (-5.2%) from 2024
Most recent year
2025 • Form 990Detailed filing. Detailed filing data is available for this year.
Organized to restore and preserve the fire island lighthouse and its related structures. The society conducts research, runs educational programs and workshops, and provides services on the cultural background, natural resources and the conservation challenges of fire island.
Preservation and appreciation of lighthouse. The society conducts research, runs education programs and workshops and provides services on the cultural background, natural resources and the conservation challenges of fire island.
| Line | Beginning | End | Change |
|---|---|---|---|
| Assets | |||
| Investments in Publicly Traded Securities | $1,319,339 | $1,431,618 | ▲ $112,279 |
| Cash and Non-Interest-Bearing Accounts | $324,200 | $430,325 | ▲ $106,125 |
| Land, Buildings, and Equipment, Net | $76,890 | $58,492 | ▼ $18,398 |
| Inventories for Sale or Use | $39,227 | $49,834 | ▲ $10,607 |
| Pledges and Grants Receivable | $6,250 | $4,800 | ▼ $1,450 |
| Prepaid Expenses and Deferred Charges | $3,681 | $3,368 | ▼ $313 |
| Total Assets | $1,769,587 | $1,978,437 | ▲ $208,850 |
| Liabilities | |||
| Accounts Payable and Accrued Expenses | $22,338 | $28,294 | ▲ $5,956 |
| Other Liabilities | $6,624 | $2,331 | ▼ $4,293 |
| Total Liabilities | $28,962 | $30,625 | ▲ $1,663 |
| Net Assets / Fund Balance | |||
| Net Assets Without Donor Restrictions | $1,740,625 | $1,947,812 | ▲ $207,187 |
| Total Net Assets Fund Balance | $1,740,625 | $1,947,812 | ▲ $207,187 |
| Total Liabilities and Net Assets / Fund Balance | $1,769,587 | $1,978,437 | ▲ $208,850 |
| Asset | Book Value | Depreciation | Basis |
|---|---|---|---|
| Other Land Buildings | $58,492 | $117,620 | $176,112 |
| Name | Title | Full / Part Time | Base | Total |
|---|---|---|---|---|
| Jonathon Gaare | Executive Director | PT | $77,524 | $77,524 |
| Name | Title |
|---|---|
| Virginia Marchese | President |
| William L Chaloupka | First Vice President |
| Bette Berman | Second Vice President |
| Anthony Femminella | Trustee |
| Harold Stumme | Trustee |
| Maria Zahn | Trustee |
| Robert V Guido Esq | Trustee |
| Suzy Goldhirsch | Trustee |
| Thomas F Roberts Iv | Trustee |
| Michael Mcgee | Secretary |
| Robert Larosa | Treasurer |
| Line Item | Amount |
|---|---|
| Salaries, Compensation, and Employee Benefits | $239,318 |
| Other Expenses | $155,899 |
| Total Fundraising Expense | $7,843 |
| Grants and Similar Amounts Paid | $0 |
| Professional Fundraising Fees | $0 |
| Line Item | Program | Management | Fundraising | Total |
|---|---|---|---|---|
| Current Officers, Directors, Trustees, and Key Employees | $172,361 | $46,857 | $3,882 | $223,100 |
| Occupancy | $17,630 | $3,148 | $210 | $20,988 |
| Depreciation Depletion | $14,217 | $3,864 | $320 | $18,401 |
| Payroll Taxes | $12,530 | $3,406 | $282 | $16,218 |
| Insurance | $12,230 | $3,325 | $275 | $15,830 |
| Fees for Service Investment Mgmnt Fees | - | $12,597 | - | $12,597 |
| Information Technology | $6,692 | $3,346 | $1,115 | $11,153 |
| Fees for Services Accounting | - | $7,913 | - | $7,913 |
| Other Expenses | $4,232 | $2,116 | $705 | $7,053 |
| Advertising | $1,400 | $700 | $700 | $2,800 |
| Office Expenses | $846 | $1,579 | $266 | $2,691 |
| Fees for Services Other | $1,852 | $504 | $42 | $2,398 |
| Total Functional Expenses | $290,735 | $96,639 | $7,843 | $395,217 |
| Line Item | Amount |
|---|---|
| Professional Fundraising Fees | $0 |
| Liability | Amount |
|---|---|
| Sales and Payroll Tax Payable | $2,331 |
“The board member robert guido is the organizations legal representative.”
“The board distributes a copy of the financial statement draft during a monthly board meeting.”
“Conflict of interest policy is signed by all board members annually.”
“Compensation is decided by a committee of the board that reviews the compensation level of comparable positions in the not-for-profit sector.”
“The financial statements are attached to the char 500 on nys website.”
“The organization has adopted fasb asc 740-10 regarding accounting for uncertain income tax positions. Management is not aware of any tax positions that are more likely than not to change in the next twelve months, or that would not sustain an examination by applicable taxing authorities.”
“The society evaluates and accounts for uncertain tax positions in accordance with fasb asc 740, "income taxes." management is not aware of any tax positions that are more likely than not to change in the next twelve (12) months, or that would not sustain an examination by applicable taxing authorities.”
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 | 1 |
| IRS990/AccountsPayableAccrExpnssGrp/BOYAmt | 0 | 22338 |
| IRS990/AccountsPayableAccrExpnssGrp/EOYAmt | 0 | 28294 |
| IRS990/AcctCompileOrReviewBasisGrp/SeparateBasisFinclStmtInd | 0 | X |
| IRS990/ActivitiesConductedPrtshpInd | 0 | 0 |
| IRS990/ActivityOrMissionDesc | 0 | PRESERVATION AND APPRECIATION OF LIGHTHOUSE. THE SOCIETY CONDUCTS RESEARCH, RUNS EDUCATION PROGRAMS AND WORKSHOPS AND PROVIDES SERVICES ON THE CULTURAL BACKGROUND, NATURAL RESOURCES AND THE CONSERVATION CHALLENGES OF FIRE ISLAND. |
| IRS990/AdvertisingGrp/FundraisingAmt | 0 | 700 |
| IRS990/AdvertisingGrp/ManagementAndGeneralAmt | 0 | 700 |
| IRS990/AdvertisingGrp/ProgramServicesAmt | 0 | 1400 |
| IRS990/AdvertisingGrp/TotalAmt | 0 | 2800 |
| IRS990/AllOtherContributionsAmt | 0 | 59756 |
| IRS990/AnnualDisclosureCoveredPrsnInd | 0 | 0 |
| IRS990/AuditCommitteeInd | 0 | 0 |
| IRS990/BooksInCareOfDetail/BusinessName/BusinessNameLine1Txt | 0 | FIRE ISLAND LIGHTHOUSE |
| IRS990/BooksInCareOfDetail/PhoneNum | 0 | 6315835327 |
| IRS990/BooksInCareOfDetail/USAddress/AddressLine1Txt | 0 | 4640 CAPTREE ISLAND |
| IRS990/BooksInCareOfDetail/USAddress/CityNm | 0 | CAPTREE ISLAND |
| IRS990/BooksInCareOfDetail/USAddress/StateAbbreviationCd | 0 | NY |
| IRS990/BooksInCareOfDetail/USAddress/ZIPCd | 0 | 11702 |
| IRS990/BusinessRlnWith35CtrlEntInd | 0 | 0 |
| IRS990/BusinessRlnWithFamMemInd | 0 | 0 |
| IRS990/BusinessRlnWithOrgMemInd | 0 | 0 |
| IRS990/CashNonInterestBearingGrp/BOYAmt | 0 | 324200 |
| IRS990/CashNonInterestBearingGrp/EOYAmt | 0 | 430325 |
| IRS990/ChangeToOrgDocumentsInd | 0 | 0 |
| IRS990/CntrctRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/CollectionsOfArtInd | 0 | 1 |
| IRS990/CompCurrentOfcrDirectorsGrp/FundraisingAmt | 0 | 3882 |
| IRS990/CompCurrentOfcrDirectorsGrp/ManagementAndGeneralAmt | 0 | 46857 |
| IRS990/CompCurrentOfcrDirectorsGrp/ProgramServicesAmt | 0 | 172361 |
| IRS990/CompCurrentOfcrDirectorsGrp/TotalAmt | 0 | 223100 |
| IRS990/CompensationFromOtherSrcsInd | 0 | 0 |
| IRS990/CompensationProcessCEOInd | 0 | 0 |
| IRS990/CompensationProcessOtherInd | 0 | 1 |
| IRS990/ConflictOfInterestPolicyInd | 0 | 1 |
| IRS990/ConservationEasementsInd | 0 | 0 |
| IRS990/ConsolidatedAuditFinclStmtInd | 0 | 0 |
| IRS990/CostOfGoodsSoldAmt | 0 | 128827 |
| IRS990/CreditCounselingInd | 0 | 0 |
| IRS990/CYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/CYContributionsGrantsAmt | 0 | 96881 |
| IRS990/CYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/CYInvestmentIncomeAmt | 0 | 62765 |
| IRS990/CYOtherExpensesAmt | 0 | 155899 |
| IRS990/CYOtherRevenueAmt | 0 | 98478 |
| IRS990/CYProgramServiceRevenueAmt | 0 | 281904 |
| IRS990/CYRevenuesLessExpensesAmt | 0 | 144811 |
| IRS990/CYSalariesCompEmpBnftPaidAmt | 0 | 239318 |
| IRS990/CYTotalExpensesAmt | 0 | 395217 |
| IRS990/CYTotalFundraisingExpenseAmt | 0 | 7843 |
| IRS990/CYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/CYTotalRevenueAmt | 0 | 540028 |
| IRS990/DecisionsSubjectToApprovaInd | 0 | 0 |
| IRS990/DeductibleArtContributionInd | 0 | 0 |
| IRS990/DeductibleNonCashContriInd | 0 | 0 |
| IRS990/DelegationOfMgmtDutiesInd | 0 | 0 |
| IRS990/DepreciationDepletionGrp/FundraisingAmt | 0 | 320 |
| IRS990/DepreciationDepletionGrp/ManagementAndGeneralAmt | 0 | 3864 |
| IRS990/DepreciationDepletionGrp/ProgramServicesAmt | 0 | 14217 |
| IRS990/DepreciationDepletionGrp/TotalAmt | 0 | 18401 |
| IRS990/Desc | 0 | EDUCATIONAL PROGRAMS, WORKSHOPS AND TOWER TOURS OF LIGHTHOUSE AND RELATED STRUCTURES FOR VISITORS AND SCHOOL GROUPS. |
| IRS990/DescribedInSection501c3Ind | 0 | 1 |
| IRS990/DisregardedEntityInd | 0 | 0 |
| IRS990/DocumentRetentionPolicyInd | 0 | 0 |
| IRS990/DonorAdvisedFundInd | 0 | 0 |
| IRS990/DonorRstrOrQuasiEndowmentsInd | 0 | 0 |
| IRS990/ElectionOfBoardMembersInd | 0 | 0 |
| IRS990/EmployeeCnt | 0 | 9 |
| IRS990/EmploymentTaxReturnsFiledInd | 0 | 1 |
| IRS990/EngagedInExcessBenefitTransInd | 0 | 0 |
| IRS990/ExpenseAmt | 0 | 140754 |
| IRS990/FamilyOrBusinessRlnInd | 0 | 1 |
| IRS990/FederalGrantAuditRequiredInd | 0 | 0 |
| IRS990/FeesForServicesAccountingGrp/ManagementAndGeneralAmt | 0 | 7913 |
| IRS990/FeesForServicesAccountingGrp/TotalAmt | 0 | 7913 |
| IRS990/FeesForServicesOtherGrp/FundraisingAmt | 0 | 42 |
| IRS990/FeesForServicesOtherGrp/ManagementAndGeneralAmt | 0 | 504 |
| IRS990/FeesForServicesOtherGrp/ProgramServicesAmt | 0 | 1852 |
| IRS990/FeesForServicesOtherGrp/TotalAmt | 0 | 2398 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/ManagementAndGeneralAmt | 0 | 12597 |
| IRS990/FeesForSrvcInvstMgmntFeesGrp/TotalAmt | 0 | 12597 |
| IRS990/ForeignActivitiesInd | 0 | 0 |
| IRS990/ForeignFinancialAccountInd | 0 | 0 |
| IRS990/ForeignOfficeInd | 0 | 0 |
| IRS990/Form8282PropertyDisposedOfInd | 0 | 0 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 0 | 8.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 1 | 0.60 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 2 | 6.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 3 | 17.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 4 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 5 | 9.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 6 | 10.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 7 | 5.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 8 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 9 | 0.50 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 10 | 25.00 |
| IRS990/Form990PartVIISectionAGrp/AverageHoursPerWeekRt | 11 | 32.00 |
| 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/OfficerInd | 0 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 1 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 2 | X |
| IRS990/Form990PartVIISectionAGrp/OfficerInd | 3 | 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/PersonNm | 0 | ROBERT LAROSA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 1 | ROBERT V GUIDO ESQ |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 2 | WILLIAM L CHALOUPKA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 3 | BETTE BERMAN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 4 | THOMAS F ROBERTS IV |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 5 | VIRGINIA MARCHESE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 6 | ANTHONY FEMMINELLA |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 7 | HAROLD STUMME |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 8 | MARIA ZAHN |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 9 | SUZY GOLDHIRSCH |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 10 | MICHAEL MCGEE |
| IRS990/Form990PartVIISectionAGrp/PersonNm | 11 | JONATHON GAARE |
| 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 | 77524 |
| 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/TitleTxt | 0 | TREASURER |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 1 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 2 | FIRST VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 3 | SECOND VICE PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 4 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 5 | PRESIDENT |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 6 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 7 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 8 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 9 | TRUSTEE |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 10 | SECRETARY |
| IRS990/Form990PartVIISectionAGrp/TitleTxt | 11 | EXECUTIVE DIRECTOR |
| IRS990/Form990ProvidedToGvrnBodyInd | 0 | 1 |
| IRS990/FormationYr | 0 | 1982 |
| IRS990/FormerOfcrEmployeesListedInd | 0 | 0 |
| IRS990/FSAuditedInd | 0 | 0 |
| IRS990/FundraisingActivitiesInd | 0 | 0 |
| IRS990/GainOrLossGrp/SecuritiesAmt | 0 | 20146 |
| IRS990/GamingActivitiesInd | 0 | 0 |
| IRS990/GoverningBodyVotingMembersCnt | 0 | 13 |
| IRS990/GovernmentGrantsAmt | 0 | 7500 |
| IRS990/GrantsToIndividualsInd | 0 | 0 |
| IRS990/GrantsToOrganizationsInd | 0 | 0 |
| IRS990/GrantToRelatedPersonInd | 0 | 0 |
| IRS990/GrossAmountSalesAssetsGrp/SecuritiesAmt | 0 | 415009 |
| IRS990/GrossReceiptsAmt | 0 | 1063718 |
| IRS990/GrossRentsGrp/RealAmt | 0 | 5100 |
| IRS990/GrossSalesOfInventoryAmt | 0 | 222205 |
| IRS990/GroupReturnForAffiliatesInd | 0 | 0 |
| IRS990/IncludeFIN48FootnoteInd | 0 | 1 |
| IRS990/IndependentAuditFinclStmtInd | 0 | 0 |
| IRS990/IndependentVotingMemberCnt | 0 | 13 |
| IRS990/IndivRcvdGreaterThan100KCnt | 0 | 0 |
| IRS990/IndoorTanningServicesInd | 0 | 0 |
| IRS990/InfoInScheduleOPartIIIInd | 0 | X |
| IRS990/InfoInScheduleOPartVIInd | 0 | X |
| IRS990/InformationTechnologyGrp/FundraisingAmt | 0 | 1115 |
| IRS990/InformationTechnologyGrp/ManagementAndGeneralAmt | 0 | 3346 |
| IRS990/InformationTechnologyGrp/ProgramServicesAmt | 0 | 6692 |
| IRS990/InformationTechnologyGrp/TotalAmt | 0 | 11153 |
| IRS990/InsuranceGrp/FundraisingAmt | 0 | 275 |
| IRS990/InsuranceGrp/ManagementAndGeneralAmt | 0 | 3325 |
| IRS990/InsuranceGrp/ProgramServicesAmt | 0 | 12230 |
| IRS990/InsuranceGrp/TotalAmt | 0 | 15830 |
| IRS990/InventoriesForSaleOrUseGrp/BOYAmt | 0 | 39227 |
| IRS990/InventoriesForSaleOrUseGrp/EOYAmt | 0 | 49834 |
| IRS990/InvestmentIncomeGrp/ExclusionAmt | 0 | 42619 |
| IRS990/InvestmentIncomeGrp/TotalRevenueColumnAmt | 0 | 42619 |
| IRS990/InvestmentInJointVentureInd | 0 | 0 |
| IRS990/InvestmentsPubTradedSecGrp/BOYAmt | 0 | 1319339 |
| IRS990/InvestmentsPubTradedSecGrp/EOYAmt | 0 | 1431618 |
| IRS990/IRPDocumentCnt | 0 | 3 |
| IRS990/IRPDocumentW2GCnt | 0 | 0 |
| IRS990/LandBldgEquipAccumDeprecAmt | 0 | 117620 |
| IRS990/LandBldgEquipBasisNetGrp/BOYAmt | 0 | 76890 |
| IRS990/LandBldgEquipBasisNetGrp/EOYAmt | 0 | 58492 |
| IRS990/LandBldgEquipCostOrOtherBssAmt | 0 | 176112 |
| IRS990/LegalDomicileStateCd | 0 | NY |
| IRS990/LessCostOthBasisSalesExpnssGrp/SecuritiesAmt | 0 | 394863 |
| IRS990/LessRentalExpensesGrp/RealAmt | 0 | 0 |
| IRS990/LoanOutstandingInd | 0 | 0 |
| IRS990/LobbyingActivitiesInd | 0 | 0 |
| IRS990/LocalChaptersInd | 0 | 0 |
| IRS990/MaterialDiversionOrMisuseInd | 0 | 0 |
| IRS990/MembershipDuesAmt | 0 | 29625 |
| IRS990/MembersOrStockholdersInd | 0 | 0 |
| IRS990/MethodOfAccountingAccrualInd | 0 | X |
| IRS990/MinutesOfCommitteesInd | 0 | 1 |
| IRS990/MinutesOfGoverningBodyInd | 0 | 1 |
| IRS990/MissionDesc | 0 | ORGANIZED TO RESTORE AND PRESERVE THE FIRE ISLAND LIGHTHOUSE AND ITS RELATED STRUCTURES. THE SOCIETY CONDUCTS RESEARCH, RUNS EDUCATIONAL PROGRAMS AND WORKSHOPS, AND PROVIDES SERVICES ON THE CULTURAL BACKGROUND, NATURAL RESOURCES AND THE CONSERVATION CHALLENGES OF FIRE ISLAND. |
| IRS990/MoreThan5000KToIndividualsInd | 0 | 0 |
| IRS990/MoreThan5000KToOrgInd | 0 | 0 |
| IRS990/NetAssetsOrFundBalancesBOYAmt | 0 | 1740625 |
| IRS990/NetAssetsOrFundBalancesEOYAmt | 0 | 1947812 |
| IRS990/NetGainOrLossInvestmentsGrp/ExclusionAmt | 0 | 20146 |
| IRS990/NetGainOrLossInvestmentsGrp/TotalRevenueColumnAmt | 0 | 20146 |
| IRS990/NetIncomeOrLossGrp/ExclusionAmt | 0 | 93378 |
| IRS990/NetIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 93378 |
| IRS990/NetRentalIncomeOrLossGrp/ExclusionAmt | 0 | 5100 |
| IRS990/NetRentalIncomeOrLossGrp/TotalRevenueColumnAmt | 0 | 5100 |
| IRS990/NetUnrelatedBusTxblIncmAmt | 0 | 0 |
| IRS990/NetUnrlzdGainsLossesInvstAmt | 0 | 62376 |
| IRS990/NoDonorRestrictionNetAssetsGrp/BOYAmt | 0 | 1740625 |
| IRS990/NoDonorRestrictionNetAssetsGrp/EOYAmt | 0 | 1947812 |
| IRS990/NondeductibleContributionsInd | 0 | 0 |
| IRS990/OccupancyGrp/FundraisingAmt | 0 | 210 |
| IRS990/OccupancyGrp/ManagementAndGeneralAmt | 0 | 3148 |
| IRS990/OccupancyGrp/ProgramServicesAmt | 0 | 17630 |
| IRS990/OccupancyGrp/TotalAmt | 0 | 20988 |
| IRS990/OfficeExpensesGrp/FundraisingAmt | 0 | 266 |
| IRS990/OfficeExpensesGrp/ManagementAndGeneralAmt | 0 | 1579 |
| IRS990/OfficeExpensesGrp/ProgramServicesAmt | 0 | 846 |
| IRS990/OfficeExpensesGrp/TotalAmt | 0 | 2691 |
| IRS990/OfficerMailingAddressInd | 0 | 0 |
| IRS990/OperateHospitalInd | 0 | 0 |
| IRS990/Organization501c3Ind | 0 | X |
| IRS990/OrganizationFollowsFASB117Ind | 0 | X |
| IRS990/OtherChangesInNetAssetsAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/Desc | 0 | REPAIRS AND MAINTENANCE |
| IRS990/OtherExpensesGrp/Desc | 1 | EDUCATIONAL PROGRAM EXP |
| IRS990/OtherExpensesGrp/Desc | 2 | VARIOUS |
| IRS990/OtherExpensesGrp/Desc | 3 | TELEPHONE |
| IRS990/OtherExpensesGrp/FundraisingAmt | 0 | 0 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 1 | 46 |
| IRS990/OtherExpensesGrp/FundraisingAmt | 2 | 705 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 0 | 6996 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 1 | 288 |
| IRS990/OtherExpensesGrp/ManagementAndGeneralAmt | 2 | 2116 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 0 | 16716 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 1 | 21426 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 2 | 8603 |
| IRS990/OtherExpensesGrp/ProgramServicesAmt | 3 | 4232 |
| IRS990/OtherExpensesGrp/TotalAmt | 0 | 23712 |
| IRS990/OtherExpensesGrp/TotalAmt | 1 | 21426 |
| IRS990/OtherExpensesGrp/TotalAmt | 2 | 8937 |
| IRS990/OtherExpensesGrp/TotalAmt | 3 | 7053 |
| IRS990/OtherLiabilitiesGrp/BOYAmt | 0 | 6624 |
| IRS990/OtherLiabilitiesGrp/EOYAmt | 0 | 2331 |
| IRS990/OtherWebsiteInd | 0 | X |
| IRS990/PartialLiquidationInd | 0 | 0 |
| IRS990/PayrollTaxesGrp/FundraisingAmt | 0 | 282 |
| IRS990/PayrollTaxesGrp/ManagementAndGeneralAmt | 0 | 3406 |
| IRS990/PayrollTaxesGrp/ProgramServicesAmt | 0 | 12530 |
| IRS990/PayrollTaxesGrp/TotalAmt | 0 | 16218 |
| IRS990/PledgesAndGrantsReceivableGrp/BOYAmt | 0 | 6250 |
| IRS990/PledgesAndGrantsReceivableGrp/EOYAmt | 0 | 4800 |
| IRS990/PoliticalCampaignActyInd | 0 | 0 |
| IRS990/PrepaidExpensesDefrdChargesGrp/BOYAmt | 0 | 3681 |
| IRS990/PrepaidExpensesDefrdChargesGrp/EOYAmt | 0 | 3368 |
| IRS990/PrincipalOfficerNm | 0 | VIRGINIA MARCHESE |
| IRS990/ProfessionalFundraisingInd | 0 | 0 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 0 | 611710 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 1 | 611710 |
| IRS990/ProgramServiceRevenueGrp/BusinessCd | 2 | 722410 |
| IRS990/ProgramServiceRevenueGrp/Desc | 0 | TOWER TOURS |
| IRS990/ProgramServiceRevenueGrp/Desc | 1 | PROGRAM INCOME |
| IRS990/ProgramServiceRevenueGrp/Desc | 2 | SPECIAL EVENTS, NET |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 0 | 227781 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 1 | 36830 |
| IRS990/ProgramServiceRevenueGrp/RelatedOrExemptFuncIncomeAmt | 2 | 17293 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 0 | 227781 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 1 | 36830 |
| IRS990/ProgramServiceRevenueGrp/TotalRevenueColumnAmt | 2 | 17293 |
| IRS990/ProgSrvcAccomActy2Grp/Desc | 0 | IMPROVEMENTS AND PRESERVATION OF THE LIGHTHOUSE AND RELATED STRUCTURES. |
| IRS990/ProgSrvcAccomActy2Grp/ExpenseAmt | 0 | 149981 |
| IRS990/ProgSrvcAccomActy2Grp/RevenueAmt | 0 | 17750 |
| IRS990/ProgSrvcAccomActyOtherGrp/Desc | 0 | SPECIAL EVENT |
| IRS990/ProhibitedTaxShelterTransInd | 0 | 0 |
| IRS990/PYBenefitsPaidToMembersAmt | 0 | 0 |
| IRS990/PYContributionsGrantsAmt | 0 | 80023 |
| IRS990/PYExcessBenefitTransInd | 0 | 0 |
| IRS990/PYGrantsAndSimilarPaidAmt | 0 | 0 |
| IRS990/PYInvestmentIncomeAmt | 0 | 30951 |
| IRS990/PYOtherExpensesAmt | 0 | 150158 |
| IRS990/PYOtherRevenueAmt | 0 | 98938 |
| IRS990/PYProgramServiceRevenueAmt | 0 | 268056 |
| IRS990/PYRevenuesLessExpensesAmt | 0 | 152823 |
| IRS990/PYSalariesCompEmpBnftPaidAmt | 0 | 174987 |
| IRS990/PYTotalExpensesAmt | 0 | 325145 |
| IRS990/PYTotalProfFndrsngExpnsAmt | 0 | 0 |
| IRS990/PYTotalRevenueAmt | 0 | 477968 |
| IRS990/QuidProQuoContributionsInd | 0 | 0 |
| IRS990/ReconcilationRevenueExpnssAmt | 0 | 144811 |
| IRS990/RegularMonitoringEnfrcInd | 0 | 1 |
| IRS990/RelatedEntityInd | 0 | 0 |
| IRS990/RelatedOrganizationCtrlEntInd | 0 | 0 |
| IRS990/RentalIncomeOrLossGrp/RealAmt | 0 | 5100 |
| IRS990/ReportInvestmentsOtherSecInd | 0 | 0 |
| IRS990/ReportLandBuildingEquipmentInd | 0 | 1 |
| IRS990/ReportOtherAssetsInd | 0 | 0 |
| IRS990/ReportOtherLiabilitiesInd | 0 | 1 |
| IRS990/ReportProgramRelatedInvstInd | 0 | 0 |
| IRS990/RevenueAmt | 0 | 227781 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearAmt | 0 | 114174 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus1YearAmt | 0 | 96579 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 132291 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 251376 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 143133 |
| IRS990ScheduleA/GiftsGrantsContriRcvd170Grp/TotalAmt | 0 | 737553 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearAmt | 0 | 47719 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus1YearAmt | 0 | 40714 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 29547 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 30655 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 20624 |
| IRS990ScheduleA/GrossInvestmentIncome170Grp/TotalAmt | 0 | 169259 |
| IRS990ScheduleA/GrossReceiptsRltdActivitiesAmt | 0 | 1502388 |
| IRS990ScheduleA/OtherIncome170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 100000 |
| IRS990ScheduleA/OtherIncome170Grp/TotalAmt | 0 | 100000 |
| IRS990ScheduleA/PublicOrganization170Ind | 0 | X |
| IRS990ScheduleA/PublicSupportCY170Pct | 0 | 0.73260 |
| IRS990ScheduleA/PublicSupportPY170Pct | 0 | 0.76630 |
| IRS990ScheduleA/PublicSupportTotal170Amt | 0 | 737553 |
| IRS990ScheduleA/ThirtyThrPctSuprtTestsCY170Ind | 0 | X |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearAmt | 0 | 114174 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus1YearAmt | 0 | 96579 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus2YearsAmt | 0 | 132291 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus3YearsAmt | 0 | 251376 |
| IRS990ScheduleA/TotalCalendarYear170Grp/CurrentTaxYearMinus4YearsAmt | 0 | 143133 |
| IRS990ScheduleA/TotalCalendarYear170Grp/TotalAmt | 0 | 737553 |
| IRS990ScheduleA/TotalSupportAmt | 0 | 1006812 |
| IRS990ScheduleB/ContributorInformationGrp/ContributorBusinessName/BusinessNameLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorNum | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine1 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/AddressLine2 | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/City | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/State | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/ContributorUSAddress/ZIPCode | 0 | RESTRICTED |
| IRS990ScheduleB/ContributorInformationGrp/TotalContributionsAmt | 0 | RESTRICTED |
| IRS990/ScheduleBRequiredInd | 0 | 1 |
| IRS990ScheduleD/FootnoteTextInd | 0 | X |
| IRS990ScheduleD/OtherLandBuildingsGrp/BookValueAmt | 0 | 58492 |
| IRS990ScheduleD/OtherLandBuildingsGrp/DepreciationAmt | 0 | 117620 |
| IRS990ScheduleD/OtherLandBuildingsGrp/OtherCostOrOtherBasisAmt | 0 | 176112 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Amt | 0 | 2331 |
| IRS990ScheduleD/OtherLiabilitiesOrgGrp/Desc | 0 | SALES AND PAYROLL TAX PAYABLE |
| IRS990ScheduleD/SolicitedAssetsSaleInd | 0 | 0 |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 0 | THE ORGANIZATION HAS ADOPTED FASB ASC 740-10 REGARDING ACCOUNTING FOR UNCERTAIN INCOME TAX POSITIONS. MANAGEMENT IS NOT AWARE OF ANY TAX POSITIONS THAT ARE MORE LIKELY THAN NOT TO CHANGE IN THE NEXT TWELVE MONTHS, OR THAT WOULD NOT SUSTAIN AN EXAMINATION BY APPLICABLE TAXING AUTHORITIES. |
| IRS990ScheduleD/SupplementalInformationDetail/ExplanationTxt | 1 | THE SOCIETY EVALUATES AND ACCOUNTS FOR UNCERTAIN TAX POSITIONS IN ACCORDANCE WITH FASB ASC 740, "INCOME TAXES." MANAGEMENT IS NOT AWARE OF ANY TAX POSITIONS THAT ARE MORE LIKELY THAN NOT TO CHANGE IN THE NEXT TWELVE (12) MONTHS, OR THAT WOULD NOT SUSTAIN AN EXAMINATION BY APPLICABLE TAXING AUTHORITIES. |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | PART X, LINE 2: |
| IRS990ScheduleD/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | PAGE 3, PART IV, LINE 11F |
| IRS990ScheduleD/TotalBookValueLandBuildingsAmt | 0 | 58492 |
| IRS990ScheduleD/TotalLiabilityAmt | 0 | 2331 |
| IRS990/ScheduleJRequiredInd | 0 | 0 |
| IRS990/ScheduleORequiredInd | 0 | 1 |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 0 | THE BOARD MEMBER ROBERT GUIDO IS THE ORGANIZATIONS LEGAL REPRESENTATIVE. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 1 | THE BOARD DISTRIBUTES A COPY OF THE FINANCIAL STATEMENT DRAFT DURING A MONTHLY BOARD MEETING. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 2 | CONFLICT OF INTEREST POLICY IS SIGNED BY ALL BOARD MEMBERS ANNUALLY. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 3 | COMPENSATION IS DECIDED BY A COMMITTEE OF THE BOARD THAT REVIEWS THE COMPENSATION LEVEL OF COMPARABLE POSITIONS IN THE NOT-FOR-PROFIT SECTOR. |
| IRS990ScheduleO/SupplementalInformationDetail/ExplanationTxt | 4 | THE FINANCIAL STATEMENTS ARE ATTACHED TO THE CHAR 500 ON NYS WEBSITE. |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 0 | FORM 990, PART VI, SECTION A, LINE 2 |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 1 | FORM 990, PART VI, SECTION B, LINE 11B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 2 | FORM 990, PART VI, SECTION B, LINE 12C |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 3 | FORM 990, PART VI, SECTION B, LINE 15B |
| IRS990ScheduleO/SupplementalInformationDetail/FormAndLineReferenceDesc | 4 | FORM 990, PART VI, SECTION C, LINE 19 |
| IRS990/SchoolOperatingInd | 0 | 0 |
| IRS990/SignificantChangeInd | 0 | 0 |
| IRS990/SignificantNewProgramSrvcInd | 0 | 0 |
| IRS990/StatesWhereCopyOfReturnIsFldCd | 0 | NY |
| IRS990/SubjectToExcsTaxNetInvstIncInd | 0 | 0 |
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