Data / Nonprofits / Connecticut / Mystic
Nonprofits in Mystic, CT: 114 registered with the IRS
114 nonprofits are registered with the IRS in Mystic, CT, 90 of them 501(c)(3) charities; the 28 that report revenue took in $70.4 million. The largest by revenue: Sea Research Foundation Inc ($34 million), Mystic Seaport Museum Inc ($25.3 million), Mystic River Ambulance Association Inc ($1.5 million). Most common causes: philanthropy, voluntarism and grantmaking foundations (13), arts, culture and humanities (11), human services (11).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Sea Research Foundation Inc | Animal-related | 501(c)(3) | 1997 | $34 million | $60.5 million | 2025-12 |
| Mystic Seaport Museum Inc | Arts, culture and humanities | 501(c)(3) | 1938 | $25.3 million | $114.4 million | 2024-12 |
| Mystic River Ambulance Association Inc | Health care | 501(c)(3) | 1982 | $1.5 million | $857,046 | 2025-06 |
| Denison Pequotsepos Nature Center Inc | Environment | 501(c)(3) | 1973 | $1.4 million | $10.6 million | 2025-09 |
| Mystic Museum of Art Inc | Arts, culture and humanities | 501(c)(3) | 1979 | $1.3 million | $5.8 million | 2025-12 |
| Reforest the Tropics Inc | Environment | 501(c)(3) | 1996 | $964,842 | $1.5 million | 2024-12 |
| Mystic & Noank Library Inc | Education | 501(c)(3) | 1979 | $939,043 | $11.5 million | 2025-06 |
| Always Home Inc | Housing and shelter | 501(c)(3) | 1999 | $930,800 | $1.7 million | 2025-06 |
| Mystic Chamber of Commerce Inc | 501(c)(6) | 1990 | $727,320 | $266,072 | 2024-12 | |
| Masons Island Yacht Club Inc | 501(c)(7) | 1976 | $639,720 | $1.3 million | 2025-12 | |
| College Autism Network | Human services | 501(c)(3) | 2022 | $468,347 | $369,644 | 2025-12 |
| Alliance for the Mystic River Watershed Inc | Environment | 501(c)(3) | 2022 | $346,086 | $71,559 | 2025-12 |
| Connecticut Beer Wholesalers Association Inc | 501(c)(6) | 1943 | $334,677 | $62,829 | 2025-07 | |
| Stoneridge Residents Association | Human services | 501(c)(3) | 2011 | $219,367 | $107,953 | 2025-12 |
| Denison Society Inc | 501(c)(3) | 1953 | $184,197 | $2.3 million | 2024-12 | |
| Sails Up 4 Cancer Inc | Medical research | 501(c)(3) | 2011 | $168,835 | $96,987 | 2025-12 |
| New England Collegiate Baseball League Inc | 501(c)(3) | 2001 | $167,055 | $4,976 | 2024-03 | |
| Mystic Rod & Gun Club Incorporated | 501(c)(7) | 1990 | $133,534 | $421,483 | 2026-02 | |
| Stonington Odd Fellows Corporation | Civil rights, social action and advocacy | 501(c)(4) | 2019 | $100,345 | $1.6 million | 2025-12 |
| Mystic Irish Parade Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2004 | $97,627 | $101,461 | 2024-12 |
| Fitch--East Lyme-Ledyard Hockey CL Ub Inc | Recreation and sports | 501(c)(3) | 2022 | $92,717 | $70,760 | 2025-09 |
| Connecticut Tooling and Machining Association Inc | 501(c)(6) | 1972 | $81,329 | $96,699 | 2025-12 | |
| Rotary Club of Mystic Charitable Fund Inc | Education | 501(c)(3) | 1996 | $47,696 | $38,830 | 2025-06 |
| Coach Vic Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2022 | $31,174 | $1,273 | 2024-12 |
| Center for American Marine Art | Arts, culture and humanities | 501(c)(3) | 2022 | $30,962 | $84,802 | 2025-12 |
| Baldwin Yacht Club | 501(c)(7) | 1956 | $19,763 | $37,805 | 2025-12 | |
| Rotary International | 501(c)(4) | 1966 | $18,067 | $7,788 | 2025-06 | |
| Cornerstone Project Inc | Education | 501(c)(3) | 2009 | $17,050 | $8,911 | 2025-12 |
| A Good Laugh Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Abundant Grace Church | Religion-related | 501(c)(3) | 2001 | |||
| Ama Dance Theatre Foundation Inc | Human services | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| American Schooner Association Inc | Recreation and sports | 501(c)(7) | 2015 | $0 | $0 | 2025-12 |
| Ann M and Sultan Ahamed Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $263,094 | 2025-12 | |
| Artemis Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $1.2 million | 2025-12 | |
| Assisi Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Association of Notre Dame Clubs Inc | 501(c)(3) | 1983 | $0 | $0 | 2025-06 | |
| Bike Stonington | Recreation and sports | 501(c)(3) | 2021 | $0 | $0 | 2025-06 |
| Blue Bag Foundation Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Bluebird Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $38,980 | 2025-06 | |
| Books in the Borough Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Brian C Moran Memorial Inc | Mental health and crisis intervention | 501(c)(3) | 2024 | |||
| Brookside Inc | 501(c)(2) | 2012 | $0 | $0 | 2025-12 | |
| Burnetts Corners Preservation Society Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| CT Clippers | Recreation and sports | 501(c)(3) | 2018 | $0 | $0 | 2023-08 |
| Casire Foundation Corporation | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Centernet Inc | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Coastal Environmental Services Inc | Environment | 501(c)(3) | 2008 | $0 | $0 | 2024-12 |
| Connecticut Songwriters Association Inc | 501(c)(3) | 1982 | $0 | $0 | 2025-12 | |
| Daughters of Isabella | 501(c)(8) | 1972 | $0 | $0 | 2026-04 | |
| Eastern Connecticut Emergency Medical Services Council Inc | Health care | 501(c)(3) | 2024 | $0 | $0 | 2026-06 |
| Estate and Tax Planning Council of Eastern Connecticut Inc | 501(c)(6) | 1980 | $0 | $0 | 2025-06 | |
| Eugene Oneill Society | 501(c)(3) | 1981 | $0 | $0 | 2025-12 | |
| Federated Garden Clubs of Connecticut Inc | 501(c)(3) | 1967 | $0 | $0 | 2025-08 | |
| Fish Cemetery Association | Mutual and membership benefit | 501(c)(13) | 2014 | $0 | $0 | 2025-04 |
| Friends of the Mystic & Noank Library Inc | Education | 501(c)(3) | 2017 | $0 | $0 | 2025-09 |
| Full Cuckoo Foundation Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Gold Star Home Inc | Human services | 501(c)(3) | 2025 | |||
| Groton Community Meals Inc | Food, agriculture and nutrition | 501(c)(3) | 2017 | $0 | $0 | 2025-09 |
| Groton-New London International Church of Christ | Religion-related | 501(c)(3) | 1964 | 2013-12 | ||
| Helen Daghlian Trust Filing As An Estate Under Section 645 | 501(c)(92) | $1.6 million | 2025-12 | |||
| Holstein Foundation | 501(c)(3) | 1969 | $352,212 | 2025-12 | ||
| Hugo A Simonelli Post 3263 Veterans of Foreign Wars of the United Stat | Public and societal benefit | 501(c)(19) | 2024 | $0 | $0 | 2026-06 |
| Independent Order of Odd Fellows | 501(c)(8) | 1972 | $0 | $0 | 2025-12 | |
| International Association of Lions Clubs | 501(c)(4) | 1966 | $0 | $0 | 2025-06 | |
| Kindness Goodness Benevolence Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| L Y Spear Foundation | 501(c)(3) | 1956 | $36,380 | 2025-12 | ||
| Local United Network To Combat Hunger | Human services | 501(c)(3) | 1999 | $0 | $0 | 2025-12 |
| Lower Mystic Cemetery Association | 501(c)(13) | 1989 | $0 | $0 | 2025-12 | |
| Mary L Jobe Akeley Trust & Peace Sanctuary | 501(c)(3) | 1981 | $395,870 | 2025-12 | ||
| Mohegan Striders Assoc | 501(c)(7) | 1973 | $0 | $0 | 2025-12 | |
| Mystic Career Firefighters Associat Ion Inc | Employment | 501(c)(5) | 2026 | $0 | $0 | 2025-12 |
| Mystic Chamber Foundation Inc | Human services | 501(c)(3) | 2026 | |||
| Mystic Chamber Music Series Inc | Arts, culture and humanities | 501(c)(3) | 2024 | $0 | $0 | 2025-08 |
| Mystic Community Bikes | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Mystic Congregational Church Inc | 501(c)(3) | 1981 | 2010-12 | |||
| Mystic Film Institute Incorporated | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mystic Flag Committee | 501(c)(3) | 1984 | $0 | $0 | 2026-06 | |
| Mystic Geriatrics Institute Inc | Human services | 501(c)(3) | 2017 | $1,779 | 2025-12 | |
| Mystic Hook & Ladder Co Inc | 501(c)(4) | 1968 | $0 | $0 | 2025-12 | |
| Mystic Lions Community Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $0 | $0 | 2025-07 |
| Mystic River Chorale | 501(c)(3) | 1988 | $0 | $0 | 2026-06 | |
| Mystic River Historical Society Inc | Arts, culture and humanities | 501(c)(3) | 1976 | $0 | $0 | 2025-12 |
| Mystic River Magnet School | Education | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Mystic Womans Club Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $0 | $0 | 2026-05 |
| Mysticalligraphers Inc | 501(c)(3) | 1986 | $0 | $0 | 2025-08 | |
| National Society of the Daughters of the American Revolution | 501(c)(3) | 1949 | $0 | $0 | 2025-12 | |
| Nautilus Alumni Association Inc | Public and societal benefit | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Noank Rowling Club Inc | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Northeast Academy Pto | 501(c)(3) | 1992 | $0 | $0 | 2026-07 | |
| Ocean Technology Foundation Inc | Science and technology | 501(c)(3) | 1997 | $0 | $0 | 2024-12 |
| Peter and Carmen Lucia Buck Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2007 | $2.84 billion | 2025-06 | |
| Practice Foundation Inc | 501(c)(3) | 1968 | $247,657 | 2024-12 | ||
| Prevent-Heal-Thrive Inc | Human services | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Retro Report Inc | Arts, culture and humanities | 501(c)(3) | 2013 | $3.7 million | 2025-12 | |
| Sam Education Fund Inc | Civil rights, social action and advocacy | 501(c)(3) | 2022 | $0 | $9,280 | 2024-12 |
| Sandal Clay Stuart Fund To Promote Mental Health Research | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Seaport Heights Homeowners Association Inc | Community improvement and capacity building | 501(c)(4) | 2014 | $0 | $0 | 2025-09 |
| St Edmund of Connecticut Inc | 501(c)(3) | 1946 | ||||
| St Edmunds Retreat Inc | 501(c)(3) | 1946 | ||||
| St Marks Episcopal Church | 501(c)(3) | 1944 | ||||
| St Patricks Church Corp | 501(c)(3) | 1946 | ||||
| Technology for Connecticut Inc | Science and technology | 501(c)(3) | 1992 | $0 | $0 | 2025-06 |
| Temima Gezari Foundation for Art and Education | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2023-12 |
| The Katherine Forest Crafts Foundation Inc | 501(c)(3) | 1985 | $273,252 | 2025-12 | ||
| The Redeemed Christian Church of God Sanctuary of Praise | Religion-related | 501(c)(3) | 2014 | |||
| The Tish Rabe Childrens Foundation | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| The@douglas S and Barbara J Barrett Family Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2005 | $812,290 | 2025-12 | |
| Tomkat Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2010 | $930,156 | 2025-12 | |
| Union Baptist Church | 501(c)(3) | 1955 | 2013-12 | |||
| University of Connecticut Rugby Football Club Alumni Association | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| VFW Auxiliary Department of Connecticut Inc | Public and societal benefit | 501(c)(19) | 2009 | $0 | $0 | 2026-06 |
| Westerly Troops Boy Scouts of America Inc | Youth development | 501(c)(3) | 2024 | $0 | $0 | 2024-06 |
| Windows-On-Our-Waters | Environment | 501(c)(3) | 2001 |
By cause in Mystic, CT
- Philanthropy, voluntarism and grantmaking foundations 13
- Arts, culture and humanities 11
- Human services 11
- Education 8
- Recreation and sports 6
- Environment 5
- Public and societal benefit 3
- Religion-related 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.