Data / Nonprofits / Maine / Stonington
Nonprofits in Stonington, ME: 16 registered with the IRS
16 nonprofits are registered with the IRS in Stonington, ME, 14 of them 501(c)(3) charities; the 7 that report revenue took in $5.9 million. The largest by revenue: Maine Center for Coastal Fisheries ($2 million), Isle Au Haut Boat Services ($1.9 million), Opera House Arts ($1.2 million). Most common causes: arts, culture and humanities (4).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Maine Center for Coastal Fisheries | Science and technology | 501(c)(3) | 2004 | $2 million | $1.8 million | 2025-06 |
| Isle Au Haut Boat Services | Public and societal benefit | 501(c)(3) | 2005 | $1.9 million | $3.7 million | 2025-12 |
| Opera House Arts | Arts, culture and humanities | 501(c)(3) | 1999 | $1.2 million | $2.7 million | 2025-10 |
| Healthy Island Project | Health care | 501(c)(3) | 2004 | $394,898 | $899,257 | 2024-12 |
| Island Community Center Inc | Recreation and sports | 501(c)(3) | 2003 | $259,705 | $778,768 | 2025-12 |
| Stonington Public Library | Education | 501(c)(3) | 1997 | $120,275 | $355,735 | 2024-12 |
| Community Compass | Human services | 501(c)(3) | 2022 | $63,946 | $16,458 | 2025-12 |
| American Legion Post 0102 Rodney Stinson | 501(c)(19) | 1946 | $0 | $0 | 2025-12 | |
| Burnt Cove Church Community Center Inc | Arts, culture and humanities | 501(c)(3) | 2010 | $0 | $0 | 2024-12 |
| Calvary Chapel Deer Isle | Religion-related | 501(c)(3) | 2018 | $0 | $0 | 2023-12 |
| Island Fishermens Wives Association | Arts, culture and humanities | 501(c)(3) | 1995 | $0 | $0 | 2025-12 |
| Northeast Coastal Communities Sector | Animal-related | 501(c)(5) | 2012 | $0 | $0 | 2025-04 |
| Stonington | 501(c)(3) | 1963 | ||||
| Stonington Firefighters Association | Public safety, disaster preparedness and relief | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Stonington Quarry Museum Inc | Arts, culture and humanities | 501(c)(3) | 1996 | $0 | $0 | 2025-12 |
| World Mine Tailings Failures | Environment | 501(c)(3) | 2019 | $0 | $0 | 2024-12 |
By cause in Stonington, ME
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.