Data / Nonprofits / Maine / Mount Desert
Nonprofits in Mount Desert, ME: 36 registered with the IRS
36 nonprofits are registered with the IRS in Mount Desert, ME, 33 of them 501(c)(3) charities; the 19 that report revenue took in $17.5 million. The largest by revenue: Northeast Harbor Tennis Club ($3.7 million), Camp Beech Cliff ($3.5 million), Island Readers and Writers An Initiative for Maine Children ($3.2 million). Most common causes: arts, culture and humanities (10), education (3), community improvement and capacity building (3).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Northeast Harbor Tennis Club | 501(c)(7) | 1964 | $3.7 million | $12.9 million | 2025-09 | |
| Camp Beech Cliff | Recreation and sports | 501(c)(3) | 1997 | $3.5 million | $45.8 million | 2025-12 |
| Island Readers and Writers An Initiative for Maine Children | Education | 501(c)(3) | 2007 | $3.2 million | $5.1 million | 2024-12 |
| Island Housing Trust | Housing and shelter | 501(c)(3) | 1994 | $2.1 million | $9.3 million | 2025-12 |
| Community School | Education | 501(c)(3) | 2016 | $1.2 million | $1.5 million | 2025-06 |
| Harbor Club Inc | 501(c)(7) | 1947 | $1.1 million | $2.5 million | 2025-10 | |
| Thrive Adventures | Religion-related | 501(c)(3) | 2020 | $679,809 | $259,437 | 2025-12 |
| Mount Desert Island Historical Society | 501(c)(3) | 1975 | $561,989 | $882,121 | 2025-06 | |
| A Climate To Thrive | Environment | 501(c)(3) | 2017 | $424,504 | $263,792 | 2024-12 |
| Mount Desert Festival of Chamber Music Inc | Arts, culture and humanities | 501(c)(3) | 1965 | $246,579 | $1.5 million | 2025-12 |
| Acadia Repertory Theatre Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $177,514 | $58,999 | 2025-12 |
| Beatrix Farrand Society | Arts, culture and humanities | 501(c)(3) | 2003 | $162,864 | $787,107 | 2024-12 |
| Kisma Preserve | Animal-related | 501(c)(3) | 1987 | $147,846 | $222,281 | 2024-04 |
| Acadia Wildlife Center | Animal-related | 501(c)(3) | 1995 | $143,835 | $236,033 | 2025-12 |
| Brookside Cemetery Association Inc | Mutual and membership benefit | 501(c)(13) | 1971 | $63,672 | $984,209 | 2023-09 |
| Somesville Landing Corp | 501(c)(3) | 1958 | $56,600 | $363,920 | 2025-12 | |
| Somesville Library Association | Education | 501(c)(3) | 2016 | $54,289 | $382,659 | 2025-08 |
| Maine Granite Industry Historical Society | Arts, culture and humanities | 501(c)(3) | 2003 | $25,466 | $13,297 | 2023-12 |
| Mount Desert Police Association Inc | Public and societal benefit | 501(c)(3) | 2022 | $7,849 | $44,583 | 2025-12 |
| Acadia Arena | Human services | 501(c)(3) | 2014 | $0 | $0 | 2024-12 |
| Acadia Community Theater | Arts, culture and humanities | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| Acadia Homes for Students | Human services | 501(c)(3) | 1993 | $0 | $0 | 2024-12 |
| Aids Society of Otter Creek Maine | Arts, culture and humanities | 501(c)(3) | 2011 | $0 | $0 | 2025-12 |
| CBC Holdings Corporation | Recreation and sports | 501(c)(3) | 2021 | $0 | $113,651 | 2025-12 |
| Downeast Rowing and Paddling Education | Recreation and sports | 501(c)(3) | 2017 | $0 | $0 | 2025-12 |
| History Trust | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Hulls Cove Neighborhood Association | Arts, culture and humanities | 501(c)(3) | 2000 | $0 | $0 | 2025-12 |
| Islands Association of Museums and Historical Societies | 501(c)(3) | 1994 | $0 | $0 | 2024-12 | |
| Margaret Ann Grinnell Charitable Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2002 | $289,938 | 2025-12 | |
| Mount Desert Lodge No 140 Free and Accepted Masons Community Fund | Community improvement and capacity building | 501(c)(3) | 2026 | |||
| Mount Desert Summer Chorale | Arts, culture and humanities | 501(c)(3) | 2001 | $0 | $0 | 2025-09 |
| Pentecostal Lighthouse | 501(c)(3) | 1982 | ||||
| Pretty Marsh Community Corporation | Community improvement and capacity building | 501(c)(3) | 2016 | $0 | $0 | 2026-06 |
| Somes-Meynell Wildlife Sanctuary | 501(c)(3) | 1986 | $7.4 million | 2024-12 | ||
| Somesville Village Improvement Society | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| West Eden Village Improvement Society | Arts, culture and humanities | 501(c)(3) | 2003 | $0 | $0 | 2025-12 |
By cause in Mount Desert, ME
- Arts, culture and humanities 10
- Education 3
- Community improvement and capacity building 3
- Recreation and sports 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.