Data / Nonprofits / New York / Southampton
Nonprofits in Southampton, NY: 168 registered with the IRS
168 nonprofits are registered with the IRS in Southampton, NY, 142 of them 501(c)(3) charities; the 81 that report revenue took in $162.5 million. The largest by revenue: Southampton Hospital Association ($29.7 million), Peconic Land Trust Incorporated ($28.1 million), Southampton Hospital Foundation Inc ($20 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (21), education (20), arts, culture and humanities (15).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Southampton Hospital Association | Health care | 501(c)(3) | 1942 | $29.7 million | $116.6 million | 2024-12 |
| Peconic Land Trust Incorporated | Environment | 501(c)(3) | 1989 | $28.1 million | $455 million | 2024-12 |
| Southampton Hospital Foundation Inc | Health care | 501(c)(3) | 1999 | $20 million | $14 million | 2024-12 |
| National Golf Links of America | 501(c)(7) | 1965 | $15.5 million | $16 million | 2025-10 | |
| Shinnecock Hills Golf Club | 501(c)(7) | 1942 | $10.7 million | $7 million | 2024-12 | |
| Meadow Club of Southampton | 501(c)(7) | 1934 | $9.2 million | $19.7 million | 2024-12 | |
| Southampton Golf Club Inc | 501(c)(7) | 1962 | $8.5 million | $11.3 million | 2025-10 | |
| Rogers Memorial Library Co | Education | 501(c)(3) | 1957 | $6.2 million | $11 million | 2025-12 |
| Southampton B & T Club Inc | 501(c)(7) | 1995 | $5.1 million | $12.9 million | 2025-10 | |
| The Southampton Fresh Air Home | Health care | 501(c)(3) | 1952 | $2.6 million | $15.3 million | 2025-08 |
| Southampton Youth Services Inc | Human services | 501(c)(3) | 2001 | $2.5 million | $3.9 million | 2025-06 |
| Heart of the Hamptons | Food, agriculture and nutrition | 501(c)(3) | 2003 | $2.3 million | $1.9 million | 2025-12 |
| Southampton Playhouse Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $1.7 million | $1.5 million | 2024-12 |
| Southampton Club Inc | 501(c)(7) | 1946 | $1.5 million | $3 million | 2024-12 | |
| Scoa Inc | Arts, culture and humanities | 501(c)(3) | 2013 | $1.5 million | $1.3 million | 2024-12 |
| Operational International LTD | Health care | 501(c)(3) | 2004 | $1.4 million | $1.9 million | 2024-12 |
| Southampton Volunteer Ambulance Inc | Health care | 501(c)(3) | 1994 | $1.1 million | $1.9 million | 2024-12 |
| East End Food Institute | Food, agriculture and nutrition | 501(c)(3) | 2010 | $965,247 | $3.6 million | 2024-12 |
| Southampton Cemetery Association | 501(c)(13) | 1958 | $834,049 | $3.5 million | 2026-01 | |
| Southampton Youth Association Inc | Youth development | 501(c)(3) | 1970 | $830,744 | $932,421 | 2025-06 |
| Lake Agawam Conservancy Inc | Environment | 501(c)(3) | 2020 | $770,765 | $913,410 | 2024-12 |
| James B Lee Jr Scholarship and Relief Fund in Honor of Joseph | Education | 501(c)(3) | 2006 | $702,405 | $4.1 million | 2025-10 |
| Southampton History Museum | 501(c)(3) | 1994 | $653,415 | $4.2 million | 2025-12 | |
| Water Mill Beach Club Inc | 501(c)(7) | 1939 | $630,336 | $1.3 million | 2025-12 | |
| Blossom Sustainable Development | Community improvement and capacity building | 501(c)(3) | 2016 | $529,672 | $41,768 | 2025-09 |
| Southampton Soccer Club Limited | Recreation and sports | 501(c)(3) | 2016 | $477,440 | $179,281 | 2025-12 |
| Childrens School | Education | 501(c)(3) | 2024 | $402,456 | $211,984 | 2025-08 |
| Southampton Bath & Tennis Club Charitable Fund | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2001 | $386,187 | $254,854 | 2025-12 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $373,841 | $1.4 million | 2026-03 | |
| Southampton Daycare Center Inc | Human services | 501(c)(3) | 1996 | $370,227 | $214,383 | 2025-08 |
| Hamptons Collegiate Baseball League Inc | Recreation and sports | 501(c)(3) | 2009 | $361,616 | $129,720 | 2025-08 |
| Friends of the Cultural Center Inc | Arts, culture and humanities | 501(c)(3) | 1998 | $356,217 | $468,201 | 2025-05 |
| Mas House & Bipoc Art Studio Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $317,270 | $558,616 | 2024-12 |
| Southampton Yacht Club Inc | 501(c)(7) | $303,868 | $422,574 | 2024-12 | ||
| The James C Ferrer Education Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2014 | $290,349 | $1.7 million | 2024-12 |
| Southampton Village Police Benevolent Association Inc | 501(c)(5) | 1986 | $284,608 | $873,363 | 2024-12 | |
| Global Strays Inc | Animal-related | 501(c)(3) | 2016 | $280,938 | $91,526 | 2024-12 |
| North Sea Fire Department Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2005 | $250,808 | $1.6 million | 2024-12 |
| North Sea Maritime Center | Arts, culture and humanities | 501(c)(3) | 2017 | $247,515 | $621,033 | 2025-12 |
| Shinnecock Kelp Farmers Incorporated | Environment | 501(c)(3) | 2024 | $239,935 | $402,398 | 2024-12 |
| Hamptons Real Estate Association Inc | Community improvement and capacity building | 501(c)(6) | 2022 | $237,861 | $51,609 | 2024-12 |
| Southampton Association Inc | Community improvement and capacity building | 501(c)(3) | 1964 | $229,218 | $663,256 | 2024-12 |
| Southampton Town Aquatics and Recreation Corporation | Recreation and sports | 501(c)(3) | 2025 | $206,870 | $2.2 million | 2025-12 |
| Bullhead Yacht Club Inc | 501(c)(7) | 1978 | $193,560 | $734,257 | 2025-12 | |
| East End African American Museum and Center for Excellence | Arts, culture and humanities | 501(c)(3) | 2019 | $189,787 | $340,961 | 2025-12 |
| Rockflower Partners Inc | Human services | 501(c)(3) | 2013 | $185,236 | $3,413 | 2024-12 |
| Shinnecock Golfers Association Scholarship Fund | Recreation and sports | 501(c)(3) | 2014 | $184,374 | $171,493 | 2025-12 |
| Rogers Memorial Library Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $178,509 | $135,368 | 2025-12 |
| Coalition for Womens Cancers | Human services | 501(c)(3) | 2022 | $170,852 | $50,734 | 2024-12 |
| Southampton Volunteer Firemens Benevolent Assoc Inc | 501(c)(4) | 1961 | $165,518 | $2.2 million | 2026-04 | |
| Lucias Angels Inc | 501(c)(3) | 2009 | $135,894 | $521,711 | 2024-12 | |
| Nepm Foundation Inc | Medical research | 501(c)(3) | 2022 | $119,863 | $493,159 | 2025-12 |
| Free & Accepted Masons of New York | 501(c)(10) | 1940 | $114,176 | $1.4 million | 2025-12 | |
| South Fork Performing Arts Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $113,742 | $4,811 | 2023-12 |
| Hamptons Health Society Inc | Health care | 501(c)(3) | 2004 | $110,650 | $19,274 | 2025-01 |
| Southampton Village Volunteer Emergency Ambulance Services Inc | Health care | 501(c)(3) | 1993 | $109,138 | $218,572 | 2025-06 |
| Southampton Chamber of Commerce Inc | 501(c)(6) | 1965 | $102,105 | $14,285 | 2025-09 | |
| Black & White Project Space Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $99,007 | $2,526 | 2025-12 |
| Peakpower Li | Environment | 501(c)(3) | 2016 | $92,603 | $51,360 | 2024-12 |
| Christmas Decorations Committee Inc | Community improvement and capacity building | 501(c)(3) | 2018 | $88,418 | $88,628 | 2025-12 |
| Southampton Rotary Club Scholarship & Endowment Fund Inc | Education | 501(c)(3) | 1996 | $83,106 | $649,291 | 2025-12 |
| American Federation of Teachers | Employment | 501(c)(5) | 1967 | $82,627 | $70,665 | 2025-06 |
| Checkerboard Foundation Inc | Arts, culture and humanities | 501(c)(3) | 1979 | $75,253 | $4.5 million | 2025-12 |
| North Sea Community Schoolhouse Association Inc | Community improvement and capacity building | 501(c)(3) | 2018 | $75,237 | $62,643 | 2025-12 |
| Friends of the Rogers Memorial Library | Education | 501(c)(3) | 1997 | $67,542 | $46,093 | 2025-12 |
| Southampton Garden Club | Environment | 501(c)(3) | 1993 | $66,885 | $602,493 | 2025-06 |
| Educational Products Information | Education | 501(c)(3) | 1967 | $65,585 | $152,700 | 2004-06 |
| American Rose Society | 501(c)(3) | 1983 | $65,322 | $190,847 | 2025-12 | |
| Kiwanis Club of Southampton Town Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2012 | $62,615 | $255,998 | 2025-09 |
| Southampton Pistol and Rifle Club Inc | 501(c)(7) | 1982 | $60,544 | $145,851 | 2026-04 | |
| Conscience Point Shellfish Hatchery | Environment | 501(c)(3) | 2014 | $56,643 | $11,504 | 2025-12 |
| Southampton Lions Club of Southampton New York Charitable Fu | 501(c)(3) | 1977 | $41,912 | $93,709 | 2025-06 | |
| Niamuck Land Trust Incorporated | Arts, culture and humanities | 501(c)(3) | 2024 | $41,504 | $91,659 | 2025-06 |
| Hamptons United | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $33,123 | $25,982 | 2023-12 |
| Sba Housing Initiative Corporation | Housing and shelter | 501(c)(3) | 2008 | $14,432 | $137,811 | 2025-10 |
| Mission of Angels Foundation Inc | Religion-related | 501(c)(3) | 2008 | $14,135 | $7,828 | 2025-12 |
| Paul Koster Memorial Benefit | Education | 501(c)(3) | 2007 | $12,550 | $60,211 | 2025-12 |
| Aikenkai Shotokan Karatedo Federation Inc | Recreation and sports | 501(c)(3) | 2003 | $6,443 | $3,288 | 2025-12 |
| Homework Helpers Inc | Education | 501(c)(3) | 2003 | $5,000 | $84,797 | 2025-12 |
| Hamptons 20 Century Modern Inc | Public and societal benefit | 501(c)(3) | 2021 | $4,950 | $4,045 | 2023-12 |
| Little Fresh Pond Association | Environment | 501(c)(3) | 2018 | $2,531 | $13,959 | 2025-12 |
| 2es Creative Space Inc | Education | 501(c)(3) | 2019 | $0 | $0 | 2026-02 |
| Adler Hirsch Foundation | Human services | 501(c)(3) | 2014 | $670,025 | 2025-12 | |
| Albert A Arditti Foundation Inc | 501(c)(3) | 1966 | $553,209 | 2025-12 | ||
| Ann & John E Grimm III Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2015 | $1.8 million | 2024-12 | |
| Annouche Holdings | 501(c)(3) | 2022 | $0 | $0 | 2024-12 | |
| Bandier Family Foundation Inc | 501(c)(3) | 1995 | $186,695 | 2024-11 | ||
| Bathing Corporation of Southampton Scholarship Foundation | Education | 501(c)(3) | 2025 | |||
| Chabad of Southampton Inc | Religion-related | 501(c)(3) | 1998 | |||
| Charles D Farber Memorial Foundation Inc | 501(c)(3) | 1969 | $563,346 | 2024-12 | ||
| Charles P Stevenson Jr Terra Nova Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $12,815 | 2025-12 | |
| Christopher Lesta Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Community Baptist Church of Southampton Long Island | Religion-related | 501(c)(3) | 1997 | |||
| Concerned Citizens of the Village of Southampton Inc | Community improvement and capacity building | 501(c)(4) | 2024 | $0 | $60,242 | 2025-12 |
| Divaria Productions Inc | Arts, culture and humanities | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Edie Windsor and Thea Spyer Foundation2 | Civil rights, social action and advocacy | 501(c)(3) | 2021 | $0 | $0 | 2025-10 |
| Edutain Inc | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Elias Foundation Inc | Mental health and crisis intervention | 501(c)(3) | 2019 | $9,000 | 2024-12 | |
| Federated Garden Clubs of New York State Inc | Environment | 501(c)(3) | 2006 | $0 | $0 | 2026-02 |
| Felberbaum Family Foundation | 501(c)(3) | 1987 | $353,452 | 2025-09 | ||
| Fridshchepin-Rostovsky Foundation | Education | 501(c)(3) | 2024 | $0 | $0 | 2025-05 |
| Green Long Island Inc | Education | 501(c)(3) | 2008 | $0 | $0 | 2023-12 |
| Greggs Wings Inc | Medical research | 501(c)(3) | 2012 | $4,906 | 2025-09 | |
| Halsey Family Foundation Inc | Public and societal benefit | 501(c)(3) | 2014 | $471,726 | 2025-12 | |
| Hamptons Baseball Foundation Inc | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Have A Heart Community Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| Heather Fitzgerald Scholarship Fund Corp | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Hoop Skool Foundation Inc | Education | 501(c)(3) | 2025 | |||
| International Association of Lions Clubs | 501(c)(4) | 1962 | $0 | $0 | 2025-06 | |
| International Breast Cancer Surgical Mission | 501(c)(3) | 2021 | $0 | $0 | 2023-12 | |
| Irene Geller Scholarship Fund | Education | 501(c)(3) | 2009 | $394,973 | 2025-12 | |
| Jaf Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $9.2 million | 2024-12 | |
| Jessica E Smith and Kevin R Brine Charitable Trust | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1990 | $1 | 2010-12 | |
| Kid Too Kid Foundation | Youth development | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Kings Chapel Cogic Inc | Religion-related | 501(c)(3) | 2026 | |||
| Kiwanis Club of Southampton Ny Inc | 501(c)(4) | 2014 | $0 | $0 | 2025-09 | |
| Kleinow Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $1 million | 2025-12 | |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2024-12 | |
| League of Women Voters of New York Inc | 501(c)(4) | 1971 | $0 | $0 | 2025-06 | |
| Little Friends International Inc | International, foreign affairs and national security | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Lloyd Magothy Water Trust Inc | 501(c)(3) | 2014 | $0 | $0 | 2025-12 | |
| MR & MRS Everett E Brockett Scholarship Fund Inc | Education | 501(c)(3) | 1997 | $77,761 | 2025-12 | |
| Malkenson Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $517,385 | 2024-12 | |
| Matchik Wellness Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Metro Mavericks Corporation | Recreation and sports | 501(c)(3) | 2015 | $0 | $947 | 2024-12 |
| Muriel F Siebert Foundation Inc | 501(c)(3) | 1968 | $39.5 million | 2025-12 | ||
| National Association for the Advancement of Colored People | 501(c)(4) | 1961 | ||||
| New Testament Baptist Church of Southampton Inc | 501(c)(3) | 1979 | ||||
| Norsic Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $1 million | 2025-12 | |
| Padoquohan Medicine Lodge | Religion-related | 501(c)(3) | 2000 | $0 | $0 | 2024-08 |
| Prestons Path Foundation | Human services | 501(c)(3) | 2026 | |||
| Rotary International | 501(c)(4) | 1942 | $0 | $0 | 2026-06 | |
| SHS Sis Pto Inc | Human services | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Sacred Ground Stewardship Foundation | Environment | 501(c)(3) | 2026 | |||
| Saint Andrews Dune Church | 501(c)(3) | 1972 | ||||
| Saint Andrews Preservation Foundation Inc | Religion-related | 501(c)(3) | 2012 | $0 | $0 | 2024-12 |
| Salm Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1 | 2024-12 | |
| Salosalo Autismo Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $0 | $0 | 2025-09 |
| Santa Maria Club Inc | Recreation and sports | 501(c)(3) | 2002 | $241,669 | 2026-06 | |
| Shinnecock Community Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2026 | |||
| Shinnecock Revival Center Inc | Religion-related | 501(c)(3) | 2014 | |||
| Southampton Anchors in Leadership Foundation | Human services | 501(c)(3) | 2026 | |||
| Southampton Artists Association | Arts, culture and humanities | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Southampton Care Center | Health care | 501(c)(3) | 2011 | $0 | $300,000 | 2024-12 |
| Southampton Educational Foundation Inc | Education | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Southampton Elementary Pto | Education | 501(c)(3) | 2019 | $0 | $0 | 2026-06 |
| Southampton Full Gospel Church Southampton Christian School | 501(c)(3) | 1983 | ||||
| Southampton Mariner Baseball Booster Club | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Southampton Multi-Media Center Inc | Arts, culture and humanities | 501(c)(3) | 2014 | $0 | $0 | 2023-12 |
| Southampton Public Safety Foundation Inc | Community improvement and capacity building | 501(c)(3) | 2025 | |||
| Southampton Village Partnership Inc | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| St Johns Church | 501(c)(3) | 1972 | ||||
| Swint Foundation | 501(c)(3) | 1958 | $182,706 | 2024-12 | ||
| The Dimenna Foundation Inc | Education | 501(c)(3) | 2000 | $12 million | 2024-12 | |
| The Greek Orthodox Church of the Hamptons | Religion-related | 501(c)(3) | 2022 | |||
| The Kaneff Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $42,324 | 2025-12 | |
| The Kelly Marie Moulton Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| There Is Life Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Thomas L Kempner Jr Foundation Inc | 501(c)(3) | 1987 | $326.4 million | 2024-12 | ||
| Tighe Hidalgo Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1998 | $650,519 | 2024-12 | |
| Time for Teens Inc | Human services | 501(c)(3) | 2007 | $0 | $0 | 2025-12 |
| Turkeys 4 U Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Turtle Funding Foundation | Human services | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Veterans of Foreign Wars Department of New York | 501(c)(19) | 1972 | $0 | $0 | 2024-12 | |
| Village Improvement Association of Southampton | 501(c)(3) | 1958 | $0 | $0 | 2025-12 | |
| Vladimir Nielsen Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2011 | $0 | $0 | 2024-12 |
| William Mead Regan Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $518,571 | 2025-12 | |
| Yaffa Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2018 | $995,852 | 2025-11 |
By cause in Southampton, NY
- Philanthropy, voluntarism and grantmaking foundations 21
- Education 20
- Arts, culture and humanities 15
- Human services 12
- Environment 9
- Community improvement and capacity building 9
- Health care 8
- Religion-related 8
- Recreation and sports 8
- Youth development 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.