Data / Nonprofits / New York / Oyster Bay
Nonprofits in Oyster Bay, NY: 113 registered with the IRS
113 nonprofits are registered with the IRS in Oyster Bay, NY, 93 of them 501(c)(3) charities; the 55 that report revenue took in $53.4 million. The largest by revenue: Mill River Club Inc ($10.1 million), East Woods School Inc ($10 million), Seawanhaka Corinthian Yacht Club ($6.6 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (18), education (9), recreation and sports (8).
SpecStream is the live web data engine for teams and agents. It reads the IRS register of exempt organizations as the IRS updates it, and this page is that reading. Ask for the nonprofits you need by place, cause and size, with their latest Form 990 figures and websites, and they arrive in your sheet, CRM, Slack or agent.
Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Mill River Club Inc | 501(c)(7) | 1966 | $10.1 million | $13.7 million | 2024-12 | |
| East Woods School Inc | Education | 501(c)(3) | 1946 | $10 million | $18 million | 2025-06 |
| Seawanhaka Corinthian Yacht Club | 501(c)(7) | 1934 | $6.6 million | $7.3 million | 2024-12 | |
| Oakcliff Sailing Incorporated | Recreation and sports | 501(c)(3) | 2010 | $3 million | $4.8 million | 2025-12 |
| Boys & Girls Club of Oyster Bay- East Norwich | Youth development | 501(c)(3) | 1993 | $2.7 million | $10.8 million | 2024-12 |
| North Shore Land Alliance Inc | Environment | 501(c)(3) | 2004 | $2.2 million | $21.7 million | 2024-12 |
| Planting Fields Foundation | Environment | 501(c)(3) | 1954 | $1.7 million | $30.4 million | 2024-12 |
| Center for Marine Education & Recreation at Oyster Bay Inc | Education | 501(c)(3) | 2000 | $1.6 million | $1.1 million | 2024-12 |
| Atlantic Steamer Fire Co No 1 Inc | Public safety, disaster preparedness and relief | 501(c)(4) | 2006 | $1.6 million | $5.7 million | 2025-12 |
| Oyster Bay Fire Company No 1 | 501(c)(4) | 1938 | $1.4 million | $7.5 million | 2024-12 | |
| Doubleday Babcock Senior Center Inc | Human services | 501(c)(3) | 1980 | $1.4 million | $7.2 million | 2025-12 |
| Windmark Sailing Foundation Inc | Human services | 501(c)(3) | 2018 | $1.2 million | $972,067 | 2024-12 |
| Theodore Roosevelt Association | Arts, culture and humanities | 501(c)(3) | 2000 | $1.2 million | $6.1 million | 2025-06 |
| Community Foundation of Oyster Bay Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1982 | $1.1 million | $7.8 million | 2024-12 |
| Youth & Family Counseling Agency of Oyster Bay-East Norwich Inc | Human services | 501(c)(3) | 1970 | $970,503 | $1.2 million | 2025-12 |
| Sagamore Yacht Club Inc | 501(c)(7) | 1960 | $616,436 | $1.1 million | 2024-12 | |
| Friends of Raynham Hall Inc | 501(c)(3) | 1954 | $539,791 | $1.8 million | 2025-12 | |
| American Sailboat Racing Foundation Inc | Recreation and sports | 501(c)(3) | 2015 | $478,438 | $184,076 | 2025-12 |
| Oyster Bay Main Street Association | Community improvement and capacity building | 501(c)(3) | 2002 | $425,779 | $113,356 | 2025-08 |
| Hermansky Pudlak Syndrome Network Inc | Human services | 501(c)(3) | 1998 | $425,468 | $270,081 | 2025-07 |
| Olivias Hope Foundation | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $400,530 | $523,354 | 2024-12 |
| Man Cave Health Inc | Health care | 501(c)(3) | 2019 | $398,267 | $155,327 | 2024-12 |
| Oyster Bay Charitable Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $396,167 | $241,092 | 2023-12 |
| Oyster Bay Community Rowing Inc | Recreation and sports | 501(c)(3) | 2018 | $319,943 | $260,115 | 2025-12 |
| Italian American Citizens Club of Oyster Bay Inc | Recreation and sports | 501(c)(7) | 2004 | $264,578 | $697,293 | 2025-06 |
| Friends of the Bay Inc | 501(c)(3) | 1991 | $261,129 | $452,261 | 2025-12 | |
| Learning Tree Nursery Inc | Education | 501(c)(3) | 1975 | $224,210 | $27,383 | 2025-06 |
| Oyster Bay Athletic Booster Club Inc | Education | 501(c)(3) | 2011 | $199,453 | $140,328 | 2024-12 |
| The Oyster Bay Railroad Museum | Arts, culture and humanities | 501(c)(3) | 1999 | $175,061 | $1.5 million | 2024-12 |
| Volunteer & Exempt Firemens Benevolent Association of Oyster B | 501(c)(4) | 1964 | $165,178 | $874,449 | 2025-12 | |
| People Loving People Incorporated | Religion-related | 501(c)(3) | 2019 | $152,129 | $133,363 | 2025-12 |
| Oyster Bay Historical Society | 501(c)(3) | 1967 | $143,429 | $86,377 | 2025-06 | |
| Civil Service Employees Association | 501(c)(5) | 1970 | $130,103 | $49,046 | 2025-09 | |
| Gold Coast Forum Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $127,295 | $74,503 | 2025-12 |
| Orkestai Farm Inc | Human services | 501(c)(3) | 2014 | $126,656 | $310,311 | 2024-12 |
| Foundation for Innovations in Medical Education | Health care | 501(c)(3) | 2010 | $110,348 | $853,744 | 2025-11 |
| Mill River Rod & Gun Club Inc | 501(c)(7) | 1982 | $84,206 | $125,737 | 2025-12 | |
| Youngs Memorial Cemetery Association | 501(c)(13) | 1951 | $82,102 | $1.6 million | 2025-12 | |
| Oyster Bay Chamber of Commerce Inc | 501(c)(6) | 1930 | $67,105 | $38,948 | 2025-06 | |
| Senior Citizens Pops Orchestra Inc | 501(c)(3) | 1981 | $59,089 | $80,860 | 2025-12 | |
| Oyster Bay Lions Club Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $41,277 | $44,859 | 2026-06 |
| Anand Foundation Inc | Education | 501(c)(3) | 2003 | $38,713 | $341,970 | 2024-12 |
| Free & Accepted Masons of New York | 501(c)(10) | 1940 | $37,746 | $90,338 | 2025-12 | |
| Yolo Strong Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $37,709 | $97,502 | 2024-12 |
| Christee Oyster Sloop Preservation Corporation | 501(c)(3) | 1994 | $36,465 | $11,721 | 2024-12 | |
| Scyc Preservation Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $30,402 | $97,874 | 2024-12 |
| Oyster Bay Baseball Inc | Recreation and sports | 501(c)(3) | 2017 | $26,511 | $714 | 2024-12 |
| New York Oil and Energy Service Professionals Inc | 501(c)(12) | 1983 | $22,394 | $11,122 | 2024-12 | |
| Free & Accepted Masons of New York | Mutual and membership benefit | 501(c)(10) | 1940 | $14,750 | $16,180 | 2025-12 |
| Art Helping Life Inc | Arts, culture and humanities | 501(c)(3) | 2010 | $12,750 | $84,666 | 2025-12 |
| Three Harbors Invitational Dancing Class Inc | 501(c)(3) | 1986 | $12,219 | $20,014 | 2024-12 | |
| Trust Statue Fund Inc | Arts, culture and humanities | 501(c)(3) | 2006 | $10,500 | $310,765 | 2024-12 |
| International Association of Lions Clubs | 501(c)(4) | 1940 | $9,319 | $7,506 | 2026-06 | |
| Dare To Be Rare Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $2,225 | $8,173 | 2025-07 |
| Long Island Wrestling Association Inc | Recreation and sports | 501(c)(3) | 2003 | $2,145 | $5,700 | 2024-12 |
| Bahnik Foundation Inc | 501(c)(3) | 1994 | $88.2 million | 2026-04 | ||
| Baymen Cheer Squad | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-07 |
| Beyond Awareness Inc | Health care | 501(c)(3) | 2023 | $0 | $0 | 2025-05 |
| Borgia Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $1.3 million | 2025-12 | |
| Calvary World Mission Church | 501(c)(3) | 1985 | 2017-12 | |||
| Career Day Inc | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-06 |
| Catholic Daughters of the Americas | 501(c)(3) | 1972 | ||||
| Chabad of Upper Mid Nassau Inc | Religion-related | 501(c)(3) | 2008 | |||
| Chardikala Foundation Corp | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Charles B Wang Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $9 million | 2025-12 | |
| Christ Church | 501(c)(3) | 1972 | ||||
| Cingulum Foundation Inc | Medical research | 501(c)(3) | 2024 | $1 | 2025-12 | |
| Civil Service Employees Association | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Civil Service Employees Association | 501(c)(5) | 1970 | $0 | $0 | 2025-09 | |
| Congregation L Dor V Dor | 501(c)(3) | 1964 | ||||
| Dicamillo Family Foundation | Education | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Estelle and Seymour Cohn Foundation Inc | Animal-related | 501(c)(3) | 2019 | $3,365 | 2024-12 | |
| Federated Garden Clubs of New York State Inc | Environment | 501(c)(3) | 2006 | $0 | $0 | 2026-02 |
| Florence Park Civic Association of Oyster Bay | Community improvement and capacity building | 501(c)(4) | 2001 | $0 | $0 | 2026-06 |
| Fred I and Gilda Nobel Foundation Inc | 501(c)(3) | 1994 | $11 million | 2025-11 | ||
| Fredd and Marjorie Isaksen Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2017 | $845,217 | 2025-12 | |
| Frederic R Coudert Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $23.3 million | 2024-12 | |
| Free & Accepted Masons of New York | 501(c)(10) | 1940 | $0 | $0 | 2023-12 | |
| Georgia G Hiden Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2009 | $5.9 million | 2024-08 | |
| Girl Pride International Inc | Youth development | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Herbert B and Ina M Ehrlich Foundation Inc | Human services | 501(c)(3) | 2024 | $1 | 2025-12 | |
| Hope for Her Ny Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Igl Pentecostal El Shaddai | 501(c)(3) | 1964 | ||||
| Katus Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $0 | $1 | 2024-12 |
| Knights of Columbus | Religion-related | 501(c)(8) | 2014 | $0 | $0 | 2025-12 |
| Korean American Public Affairs Committee Inc | Community improvement and capacity building | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Long Island North Shore Heritage Area | Arts, culture and humanities | 501(c)(3) | 2009 | |||
| Macaskill Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $4 million | 2025-12 | |
| Michael J Hach Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Nassau Hurricane Recovery Fund Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2013 | $0 | $0 | 2025-12 |
| New York Friends of the Society of St Pius X Inc | 501(c)(3) | 1974 | ||||
| Next Shift Youth Sports Foundation Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $1,074 | 2024-12 |
| North Shore Assembly of God | 501(c)(3) | 1964 | ||||
| North Shore Community Church | Religion-related | 501(c)(3) | 1974 | 2013-12 | ||
| Nutrition Education Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2019 | $500 | 2024-12 | |
| Oben Arts Foundation Inc | Education | 501(c)(3) | 2024 | |||
| Oscher and Celina Majewski Family Trust | 501(c)(3) | 2018 | $94,839 | 2025-12 | ||
| Outreach for All Inc | Human services | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Oyster Bay Council Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $169,560 | 2026-04 | |
| Oyster Bay Jewish Center | 501(c)(3) | 1964 | ||||
| Patricia H Ladew Foundation Inc | 501(c)(3) | 1974 | $3.8 million | 2025-01 | ||
| Present Project Foundation Inc | Youth development | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Pta New York Congress | 501(c)(3) | 1954 | $0 | $0 | 2026-06 | |
| Pta New York Congress | Education | 501(c)(3) | 1954 | $0 | $0 | 2026-06 |
| Sdand By Inc | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| Sikh Hoops Ny Inc | Recreation and sports | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sweet Hollow Counseling Center Inc | Mental health and crisis intervention | 501(c)(3) | 1994 | $0 | $0 | 2025-12 |
| The Milana Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $1.4 million | 2024-12 | |
| The Oyster Bay Sailing Foundation Inc | 501(c)(3) | 1987 | $0 | $0 | 2025-12 | |
| The Research Charitable Land Conservation Trust | 501(c)(3) | 1979 | $64.3 million | 2024-12 | ||
| Theodore Roosevelt Legacy Partnership | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| Tom Dolan Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Warriors at Sea Corp | Health care | 501(c)(3) | 2026 | $0 | $1 | 2024-12 |
By cause in Oyster Bay, NY
- Philanthropy, voluntarism and grantmaking foundations 18
- Education 9
- Recreation and sports 8
- Arts, culture and humanities 8
- Human services 7
- Religion-related 5
- Youth development 4
- Health care 4
- Environment 3
- Community improvement and capacity building 3
Nonprofits in every city of the state
Read from the IRS Exempt Organizations Business Master File, updated by the IRS on October 24, 2026 and rebuilt here every morning. Revenue and assets are from each organization's latest filing as the IRS lists it; the IRS record is the official one. Organizations only: no people are named on these pages.