Long Island Maritime Museum

Nonprofit · Grant recipient West Sayville, NY EIN 23-7007442

Funding Overview

From IRS Form 990 filings · 2020–2025

Total received

$262K

Foundation funders

5

Grants recorded

16

Years covered

2020–2025

Who funds Long Island Maritime Museum?

Long Island Maritime Museum is funded by 5 grantmakers, led by The Ernest and Marilyn Kussmaul Charitable Foundation Inc ($98K), John C Dunphy Private Foundation Inc ($95K), Lucille T Stretch and George J Stretch Charitable Foundation Inc ($50K). In total, IRS Form 990 filings record $262K in grants to Long Island Maritime Museum between 2020–2025.

Funding over time

Grant dollars and counts received per year

$0$50K$100K$150K$200K2 grants2020 2 grants2021 3 grants2022 3 grants2023 5 grants2024 1 grant2025

From 2020 to 2025, annual grant giving ranged from $10K (2025) to $155K (2024). In 2025 it made 1 grant totaling $10K.

What grants has Long Island Maritime Museum received?

Individual grants from IRS Form 990 filings, newest first

Frequently Asked Questions

Who funds Long Island Maritime Museum?

Long Island Maritime Museum is funded by 5 grantmakers, led by The Ernest and Marilyn Kussmaul Charitable Foundation Inc ($98K), John C Dunphy Private Foundation Inc ($95K), Lucille T Stretch and George J Stretch Charitable Foundation Inc ($50K). In total, IRS Form 990 filings record $262K in grants to Long Island Maritime Museum between 2020–2025.

Who is Long Island Maritime Museum's largest funder?

The Ernest and Marilyn Kussmaul Charitable Foundation Inc is the largest recorded funder of Long Island Maritime Museum, with $98K across 5 grants (2020–2024).

How much grant funding has Long Island Maritime Museum received?

IRS 990 filings record $262K in grants to Long Island Maritime Museum across 16 grants from 5 funders between 2020–2025. Filings are published on a delay, so recent grants may not appear yet.

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Grant data is drawn from IRS Form 990 filings via Grantable's GrantGraph™. Filings are published on a delay; recent grants may not appear yet.

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