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Data / Nonprofits / New York / Shelter Is

Nonprofits in Shelter Is, NY: 34 registered with the IRS

34 nonprofits are registered with the IRS in Shelter Is, NY, 27 of them 501(c)(3) charities; the 12 that report revenue took in $9.8 million. The largest by revenue: Sylvester Manor Educational Farm ($7 million), Shelter Island Public Library ($1.8 million), Shelter Island Ambulance Foundation ($149,039). Most common causes: education (4), arts, culture and humanities (4), human services (3).

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Every organization, largest by revenue first

OrganizationCategoryTypeSinceRevenueAssetsFiling
Sylvester Manor Educational FarmFood, agriculture and nutrition501(c)(3)2010$7 million$33.3 million2025-10
Shelter Island Public LibraryEducation501(c)(3)1962$1.8 million$10.1 million2024-12
Shelter Island Ambulance FoundationPublic safety, disaster preparedness and relief501(c)(3)2012$149,039$84,9762025-12
Shelter Island Friends of Music Inc501(c)(3)1979$146,962$2.6 million2025-10
Shelter Island Fire Department IncPublic safety, disaster preparedness and relief501(c)(3)2024$133,246$194,3112025-12
American Legion Post 0281 Mitchell501(c)(19)1946$120,447$138,0152025-12
Shelter Island Lions Club FoundationCommunity improvement and capacity building501(c)(3)2008$117,543$284,1332025-06
Shelter Island Educational Foundation IncEducation501(c)(3)1995$103,281$320,7182025-08
Friends of the Shelter Island Public Library Society Inc501(c)(3)1989$75,668$569,2002024-12
Senior Citizens Foundation of Shelter Island IncHuman services501(c)(3)2014$68,261$253,6502025-12
Shelter Island Chamber of Commerce Inc501(c)(6)1995$62,102$15,1632024-12
Ram Island Assoc IncHousing and shelter501(c)(4)2023$8,500$9,0402026-05
1886 Foundation IncArts, culture and humanities501(c)(3)2025$0$02025-10
Chiefs of Police Association of Suffolk CountyHuman services501(c)(4)2003$0$02025-12
International Association of Lions Clubs501(c)(4)$0$02026-06
Menantic Creek Keepers Conservancy IncScience and technology501(c)(3)2023$0$02023-12
Menantic Peninsula AssociationRecreation and sports501(c)(7)2026
National Society of the Daughters of the American Revolution501(c)(3)1949$0$02025-12
Shelter Island All Faith Youth Group IncYouth development501(c)(3)2010$0$02024-10
Shelter Island Community Aquatics & Athletic Center IncRecreation and sports501(c)(3)2023$0$02025-12
Shelter Island Community Chorus IncArts, culture and humanities501(c)(3)2007$0$02025-12
Shelter Island Fireworks IncPublic safety, disaster preparedness and relief501(c)(3)2016$0$02025-12
Shelter Island Food Pantry IncFood, agriculture and nutrition501(c)(3)2024$0$02025-12
Shelter Island Friends of Trees IncEnvironment501(c)(3)2000$0$02025-12
Shelter Island Kids in Motion IncEducation501(c)(3)2026
Shelter Island Pilots Association I NCCommunity improvement and capacity building501(c)(3)2026
Shelter Island Police Benevolent AssociationCommunity improvement and capacity building501(c)(4)2001$0$02025-04
Shelter Island PtsaEducation501(c)(3)2020$0$02026-06
Shelter Island Run IncPhilanthropy, voluntarism and grantmaking foundations501(c)(3)1987$0$02024-12
Siac IncArts, culture and humanities501(c)(3)2025$0$02025-12
Smith-Ransome Japanese Bridge Conservancy IncArts, culture and humanities501(c)(3)2018$0$02025-10
St Marys Church501(c)(3)1972
Team Go Sail FoundationRecreation and sports501(c)(3)2006$0$02024-12
Ten Kilometer Run Community Fund IncHuman services501(c)(3)2014$0$02025-12

By cause in Shelter Is, NY

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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.