New York · Nonprofit
EAST END SEAPORT MUSEUM AND MARINE FOUNDATION
EAST END SEAPORT MUSEUM AND MARINE FOUNDATION (New York) receives grants from 9 organizations whose IRS filings report $482,740 to it, the largest being ROBERT DAVID LION GARDINER FOUNDATION INC ($352,040). 3 of them have funded it in more than one year.
- Revenue FY2024
- $577k
- Funders on record
- 9
- Grants received
- $483k
- Net assets
- $535k
What East End Seaport Museum and Marine Foundation does
Mission
The East End Seaport Museum and Marine Foundation stewards maritime heritage for long island's east end
As stated on its FY2024 Form 990.
Programs
The maritime festival encourages the public to participate and relive the sailing era.
$29,349 spent$35,335 earned by the program8% of program spendingEvents and general programs at the museum and also educational chartered boat trips on the peconic bay and gardiner's bay to see the historical offshore lighthouses of southold town, including bug light, orient point and little gull lighthouses.
$296,759 spent$497,885 earned by the program86% of program spendingLand and sea reception, an event to introduce the public to the local tastes of the east end. A gala reception prior to the opening of the maritime festival.
$20,011 spent$37,685 earned by the program6% of program spending
The 3 programs described on its FY2024 Form 990, listed largest first by expense. Program spending in total: $346,119.
The organization over time
Each line starts at 100 in 2017, so what you read is the shape rather than the size: 150 means half as much again as 2017, 50 means half. The number beside each label in the key is where it ended. The shaded band is where the middle 50% of its peers' revenue would sit, given their growth.
Balance sheet
Total assets and total liabilities at each year end, in dollars. The largest one-year move in total assets was 2023 to 2024, from $347k to $539k (+55%).
How it's funded, over time
Each bar is one year's revenue split into where it came from, and every bar is the same height — these are shares, not amounts, so a year that raised twice as much looks the same size. Hover a bar for the split.
Government-grant reliance: 2022 22% · 2023 3% · 2024 3%. Grants only. Government contracts and fees sit inside program revenue.
71% of EAST END SEAPORT MUSEUM AND MARINE FOUNDATION’s revenue is contributions — more donation-reliant than the typical peer (62% for the typical peer).
Surplus & reserves
Operating surplus or deficit each year, and months of liquidity in hand. 3 of the last 8 reported years ran a deficit.
reserve
Leadership and staff
The officers, directors, trustees and key employees listed on each return. Joined and no longer listed compare each filing with the year before, matching people by surname and first initial; a year after a gap, or a roster under three people, has no comparison.
Board chair
Sarah Sands
Chairman
As listed on its FY2024 Form 990.
Who funds it, year by year
2020 → 2023: the base held at 2 funders, grant income fell $26k → $13k.
5 of 9 of your funders are donor-advised or pass-through sponsors (tagged DAF) — 16% of grant dollars received. That money is really individual donors directing a sponsor; the institutions to cultivate are the non-DAF funders.
From the IRS filings of EAST END SEAPORT MUSEUM AND MARINE FOUNDATION’s funders (the co-funder graph). Association, not causation. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
How concentrated its funding is
EAST END SEAPORT MUSEUM AND MARINE FOUNDATION leans on a few funders — its largest provides 73% of grant income and the top three 88%; half comes from just 1 funder.
the vertical line marks half of all grant income — 1 funder to its left
Largest funder’s share by year: 2020 96% · 2021 100% · 2022 67% · 2023 51% — diversifying over time.
“Effective funders” = inverse Herfindahl index (1 / Σ shareᵢ²) — the number of equal-sized funders that would give the same concentration. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Where its funders are
88% of EAST END SEAPORT MUSEUM AND MARINE FOUNDATION's grant income comes from New York funders.
In-state vs out-of-state, by year
Funder states come from each funder’s own filing. $79k arriving through sponsors registered in 5 states is excluded from the map and the split above: a sponsor holds money on a donor’s behalf, so its registered address would place those dollars somewhere no donor need ever have been. Trends are read to FY2023, the last fiscal year that has finished arriving. FY2024–FY2026 are still being filed and are shown unshaded; they do not move any figure on this page.
Against its field
EAST END SEAPORT MUSEUM AND MARINE FOUNDATION runs a healthier operating margin than three-quarters of the 11,971 community improvement nonprofits its size.
this organization peer median middle 50% of peers· 11,971 community improvement nonprofits $100k–$1M, FY2024
Organizations like EAST END SEAPORT MUSEUM AND MARINE FOUNDATION
Organizations whose mission and program text most resemble this one, by semantic similarity over every organization in the US filings — the closest peers, and often the clearest route to shared or prospective funders.
In New York
Nationally
Read directly from this organization’s own Form 990, as neutral context.
Where the money goes
89% of spending goes to programs.
Governance
Public support
100%
Share of support from the public (Schedule A) — the basis for its public-charity status.
Footprint & structure
Files a return copy in 1 state
Screen this organization
A dated, signed PDF of the compliance screen for EAST END SEAPORT MUSEUM AND MARINE FOUNDATION: IRS status (Business Master File, Publication 78, auto-revocation), the OFAC sanctions lists, the Internal Revenue Bulletin, and California registration, with the Rev. Proc. 2018-32 §8.01 reliance elements stated element by element. Generated from the current files at the moment you download it.
Screens are triage, not determinations; a source that cannot be read reports not screened, never clear. Screen this nonprofit · How the screen works · on the API as GET /api/screening/{ein}?format=pdf
Questions and answers
- Who funds EAST END SEAPORT MUSEUM AND MARINE FOUNDATION?
- EAST END SEAPORT MUSEUM AND MARINE FOUNDATION (New York) receives grants from 9 organizations whose IRS filings report $482,740 to it, the largest being ROBERT DAVID LION GARDINER FOUNDATION INC ($352,040). 3 of them have funded it in more than one year.
- How many funders does EAST END SEAPORT MUSEUM AND MARINE FOUNDATION have?
- IRS filings report 9 organizations giving $482,740 in grants to EAST END SEAPORT MUSEUM AND MARINE FOUNDATION, 3 of which have funded it in more than one year.
- Who is the largest funder of EAST END SEAPORT MUSEUM AND MARINE FOUNDATION?
- ROBERT DAVID LION GARDINER FOUNDATION INC is the largest funder on record, with $352,040 in grants. The full list of funders is on this page.
- How can an organization like EAST END SEAPORT MUSEUM AND MARINE FOUNDATION find more funders?
- Start with the funders already giving here, then look at the foundations that back similar organizations in New York. The funding by cause and by state pages list the largest funders for a given area and how to approach them.
Play a game about who funds East End Seaport Museum and Marine →
These figures are read directly from IRS Form 990 / 990-PF e-file XML: this organization’s own return for FY2024 (financials across 2017–2024), and the filings of 9 funders that report grants to it. “On record” means captured in the filings we have parsed — a funder that does not e-file, or whose grant detail is not itemized, will not appear. Filings run roughly 12–24 months behind. Trends on this page end at FY2023, the last fiscal year that has finished arriving; later years are shown and marked, and move no figure. Data on this page was exported October 14, 2026. What this page cannot tell you · view filing