Data / Nonprofits / Florida / Key West
Nonprofits in Key West, FL: 275 registered with the IRS
275 nonprofits are registered with the IRS in Key West, FL, 243 of them 501(c)(3) charities; the 103 that report revenue took in $104.4 million. The largest by revenue: Sigsbee Charter School Inc ($13.2 million), Wesley House Family Services Inc ($8 million), Community Foundation of the Florida Keys ($6.5 million). Most common causes: arts, culture and humanities (32), human services (24), recreation and sports (21).
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Every organization, largest by revenue first
| Organization | Category | Type | Since | Revenue | Assets | Filing |
|---|---|---|---|---|---|---|
| Sigsbee Charter School Inc | Education | 501(c)(3) | 2009 | $13.2 million | $28.2 million | 2025-06 |
| Wesley House Family Services Inc | Human services | 501(c)(3) | 1946 | $8 million | $14.4 million | 2025-06 |
| Community Foundation of the Florida Keys | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $6.5 million | $41.1 million | 2025-12 |
| Monroe Association for Retarded Citizens Inc | Human services | 501(c)(3) | 1981 | $5.8 million | $6 million | 2025-06 |
| Habitat for Humanity of Key West and Lower Florida Keys | Housing and shelter | 501(c)(3) | 1987 | $5.4 million | $12.6 million | 2025-06 |
| Ah of Monroe County Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1986 | $4.8 million | $14.8 million | 2024-12 |
| Star of the Sea Foundation Inc | Health care | 501(c)(3) | 2009 | $4.4 million | $5.9 million | 2024-12 |
| Florida Keys Society for the Prevention of Cruelty To Animals | Animal-related | 501(c)(3) | 1999 | $4.2 million | $11.8 million | 2024-12 |
| Rural Health Network of Monroe County Florida Inc | Health care | 501(c)(3) | 1995 | $3.1 million | $2.3 million | 2025-06 |
| Florida Keys Educational Foundation Inc | 501(c)(3) | 1966 | $3.1 million | $10.9 million | 2025-03 | |
| Key West Art & Historical Society Inc | 501(c)(3) | 1965 | $2.8 million | $4.6 million | 2025-09 | |
| The Studios of Key West Inc | Arts, culture and humanities | 501(c)(3) | 2007 | $2.7 million | $14.8 million | 2025-06 |
| Monroe County Education Foundation Inc | Education | 501(c)(3) | 1997 | $2.4 million | $16.8 million | 2025-06 |
| Key West Literary Seminar Inc | 501(c)(3) | 1987 | $1.9 million | $5.1 million | 2025-03 | |
| Mel Fisher Maritime Heritage Society Inc | 501(c)(3) | 1982 | $1.9 million | $5.7 million | 2024-09 | |
| Montessori Childrens School of Key West Inc | Education | 501(c)(3) | 1972 | $1.8 million | $4.1 million | 2025-06 |
| Florida Keys Healthy Start Coalition Inc | Health care | 501(c)(3) | 1993 | $1.7 million | $799,984 | 2025-06 |
| Samuels House Inc | Human services | 501(c)(3) | 1999 | $1.6 million | $2.6 million | 2024-12 |
| Boys & Girls Clubs of the Keys Area Inc | Youth development | 501(c)(3) | 1996 | $1.5 million | $1.4 million | 2024-12 |
| Womankind Inc | Human services | 501(c)(3) | 2000 | $1.5 million | $1.7 million | 2024-12 |
| May Sands Montessori School Inc | Education | 501(c)(3) | 1998 | $1.4 million | $946,488 | 2025-06 |
| Performing Arts Centers of Key West Inc | 501(c)(3) | 2005 | $1.3 million | $1.1 million | 2025-06 | |
| Greater Key West Chamber of Commerce Inc | 501(c)(6) | 1990 | $1.1 million | $1.2 million | 2025-12 | |
| Key West Players Inc | 501(c)(3) | 1982 | $1 million | $1.3 million | 2025-06 | |
| Old Island Restoration Foundation Inc | 501(c)(3) | 1977 | $913,816 | $977,992 | 2025-09 | |
| Monroe County Homeless Services Continuum-Of-Care Inc | Housing and shelter | 501(c)(3) | 2014 | $900,790 | $460,330 | 2024-12 |
| Florida Keys Outreach Coalition Inc | 501(c)(3) | 1993 | $837,644 | $2.8 million | 2024-12 | |
| Key West Film Society Inc | Arts, culture and humanities | 501(c)(3) | 1999 | $818,105 | $849,911 | 2025-09 |
| Key West Wildlife Center Inc | Animal-related | 501(c)(3) | 2010 | $802,203 | $2.6 million | 2024-12 |
| Key Bridge Inc | Mental health and crisis intervention | 501(c)(3) | 2016 | $697,026 | $2.2 million | 2025-12 |
| Red Barn Actors Studio Inc | Arts, culture and humanities | 501(c)(3) | 1985 | $640,719 | $326,119 | 2025-10 |
| Key West Association of Realtors Inc | 501(c)(6) | 1981 | $562,407 | $623,895 | 2024-12 | |
| Association for Tourism Development | 501(c)(6) | 1988 | $549,111 | $111,762 | 2024-12 | |
| Key West Theater and Community Stage | Arts, culture and humanities | 501(c)(3) | 2019 | $501,583 | $703,620 | 2025-09 |
| Miami-Dade Historical Maritime Museum Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $499,329 | $708,888 | 2026-04 |
| Reef Relief Inc | Environment | 501(c)(3) | 1988 | $496,780 | $600,360 | 2025-06 |
| Key West Botanical Garden Society Inc | Environment | 501(c)(3) | 1989 | $494,914 | $1.3 million | 2025-06 |
| Fringe Theater of Key West Inc | Arts, culture and humanities | 501(c)(3) | 2009 | $483,680 | $324,334 | 2025-09 |
| Key West Womans Club Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1989 | $483,140 | $2.2 million | 2025-06 |
| Historic Florida Keys Foundation Inc | 501(c)(3) | 1991 | $473,536 | $7 million | 2025-06 | |
| Key West Lodge No 1760 Loyal Order of Moose | Mutual and membership benefit | 501(c)(8) | 2025 | $460,393 | $1.7 million | 2026-04 |
| American Academy of Advertising | Community improvement and capacity building | 501(c)(3) | 1981 | $429,607 | $1.9 million | 2025-12 |
| Key West Police Athletic League Inc | 501(c)(3) | 1994 | $428,709 | $566,534 | 2025-12 | |
| American Legion | Public and societal benefit | 501(c)(19) | 1946 | $419,292 | $646,000 | 2024-12 |
| Monroe Council of the Arts Corporation | Arts, culture and humanities | 501(c)(3) | 1998 | $405,801 | $208,943 | 2025-06 |
| Lighthouse Christian Academy Inc | Human services | 501(c)(3) | 2003 | $384,082 | $56,045 | 2022-12 |
| Key West Business Guild Inc | 501(c)(6) | 1992 | $377,734 | $198,987 | 2023-12 | |
| Key West Garden Club | Environment | 501(c)(3) | 2006 | $359,201 | $1.7 million | 2026-04 |
| Monroe County Coalition Inc | Mental health and crisis intervention | 501(c)(3) | 2008 | $358,422 | $36,143 | 2024-12 |
| American Federation of Teachers | 501(c)(5) | 1967 | $357,720 | $32,111 | 2025-06 | |
| Key West Pre-School Co-Operative Inc | Education | 501(c)(3) | 2024 | $316,402 | $61,959 | 2025-06 |
| A Positive Step of Monroe County | Mental health and crisis intervention | 501(c)(3) | 2001 | $315,518 | $33,698 | 2025-12 |
| Key West Community Sailing Center Inc | Recreation and sports | 501(c)(3) | 2011 | $308,165 | $381,578 | 2024-12 |
| Key West Harry S Truman Foundation Inc | Arts, culture and humanities | 501(c)(3) | 2002 | $307,988 | $948,527 | 2024-12 |
| Xena Fund of the Florida Keys Inc | Animal-related | 501(c)(3) | 2008 | $305,605 | $303,207 | 2024-12 |
| Souternmost Hockey Club | Recreation and sports | 501(c)(3) | 2021 | $293,637 | $461,775 | 2025-12 |
| Keys Learning Center Inc | Education | 501(c)(3) | 2011 | $272,729 | $66,433 | 2025-12 |
| Veterans of Foreign Wars of the United States Dept of Florida | 501(c)(19) | 1964 | $260,185 | $2.4 million | 2025-06 | |
| Cancer Foundation of the Florida Keys | Health care | 501(c)(3) | 1999 | $245,731 | $2.2 million | 2025-12 |
| Lower Keys Friends of Animals Inc | Animal-related | 501(c)(3) | 1983 | $232,902 | $558,636 | 2025-12 |
| Rotary International | 501(c)(4) | 1952 | $219,708 | $52,720 | 2025-06 | |
| Key West Art Center Inc | Arts, culture and humanities | 501(c)(3) | 1992 | $201,246 | $509,942 | 2024-12 |
| Friends of the Monroe County Public Library in Key West Florida Inc | Education | 501(c)(3) | 1979 | $196,293 | $877,485 | 2025-06 |
| Protect Key West Inc | 501(c)(3) | 1993 | $187,141 | $65,935 | 2025-09 | |
| Ancient & Accepted Scottish Rite of Free Masonry So Juris USA | 501(c)(10) | 1940 | $184,128 | $3.4 million | 2024-12 | |
| A H I Housing Inc | Housing and shelter | 501(c)(3) | 1997 | $172,294 | $900,775 | 2025-06 |
| American Legion | Public and societal benefit | 501(c)(19) | 1946 | $170,634 | $73,629 | 2025-06 |
| The Lodging Association of the Florida Keys and Key West Inc | 501(c)(6) | 1993 | $162,282 | $215,807 | 2025-12 | |
| Key West Little Conch Baseball League Inc | Recreation and sports | 501(c)(3) | 2014 | $156,000 | $9,415 | 2023-12 |
| Fair Insurance Rates in Monroe County Inc | 501(c)(4) | 2010 | $155,905 | $233,238 | 2020-12 | |
| Literacy Volunteers of America Monroe County Inc | 501(c)(3) | 2003 | $155,008 | $147,342 | 2026-06 | |
| Keys To Be the Change Inc | Education | 501(c)(3) | 2014 | $150,522 | $157,758 | 2025-12 |
| Key West Rotary Club Foundation Inc | 501(c)(3) | 1993 | $149,991 | $1 million | 2025-06 | |
| Kids Come First in the Florida Keys Inc | Youth development | 501(c)(3) | 2010 | $132,865 | $33,713 | 2024-09 |
| Anchors Aweigh Club Inc | Mental health and crisis intervention | 501(c)(3) | 1992 | $132,534 | $492,255 | 2024-12 |
| Key West Impromptu Classical Concerts Inc | Arts, culture and humanities | 501(c)(3) | 1979 | $130,489 | $384,150 | 2025-05 |
| Queer Keys Inc | Human services | 501(c)(3) | 2022 | $126,141 | $70,421 | 2024-12 |
| Key West Cultural Preservation Society Inc | Arts, culture and humanities | 501(c)(3) | 1986 | $122,026 | $17,302 | 2025-09 |
| Sister Season Fund Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2006 | $108,941 | $475,100 | 2024-12 |
| Sloppy Joes Foundation Inc | Public and societal benefit | 501(c)(3) | 2024 | $106,027 | $27,636 | 2025-12 |
| Key West Military Affairs Committee Inc | Public and societal benefit | 501(c)(3) | 2015 | $105,181 | $218,694 | 2024-12 |
| Bahama Village Music Program Inc | Arts, culture and humanities | 501(c)(3) | 2003 | $93,421 | $162,654 | 2025-07 |
| 1213 William Street Corporation | Housing and shelter | 501(c)(3) | 1997 | $88,701 | $581,511 | 2025-06 |
| Leadership Monroe County Inc | Community improvement and capacity building | 501(c)(3) | 2012 | $86,864 | $99,672 | 2026-06 |
| Marine Preservation Society of the Florida Keys Inc | Environment | 501(c)(3) | 2023 | $82,872 | $215,643 | 2024-12 |
| Sunrise Rotary Foundation of Key West Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1997 | $80,905 | $991,374 | 2025-06 |
| International Association of Fire Fighters | 501(c)(5) | 1966 | $78,322 | $76,235 | 2025-12 | |
| Firmkeys Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2014 | $74,336 | $143,571 | 2024-12 |
| Doctors of Nursing Practice Professional Development Inc | International, foreign affairs and national security | 501(c)(3) | 2014 | $63,627 | $44,490 | 2025-12 |
| Key West Chamber of Commerce Foundation Inc | 501(c)(3) | 2021 | $61,006 | $136,570 | 2025-12 | |
| Keys Choral Arts Inc | Arts, culture and humanities | 501(c)(3) | 2019 | $60,362 | $113,882 | 2025-06 |
| Florida Keys Bull Sharks Inc | Recreation and sports | 501(c)(3) | 2024 | $54,728 | $27,381 | 2025-12 |
| Key West Area Chief Petty Officers Association Inc | Mutual and membership benefit | 501(c)(3) | 2017 | $51,054 | $24,219 | 2024-10 |
| Navy League of the United States National Headquarters | 501(c)(3) | 1990 | $48,748 | $208,397 | 2025-12 | |
| Ahi Real Estate Properties Inc | Human services | 501(c)(3) | 1992 | $43,619 | $67,212 | 2025-06 |
| Running for Rhonda Charity Inc | Recreation and sports | 501(c)(3) | 2024 | $36,467 | $15,578 | 2025-12 |
| Keys Community School of the Artsinc | Arts, culture and humanities | 501(c)(3) | 2007 | $32,964 | $22,202 | 2026-07 |
| Kaizen Athletic Club Inc | Recreation and sports | 501(c)(3) | 2019 | $22,625 | $39 | 2024-12 |
| Benevolent & Protective Order of Elks of the USA | 501(c)(8) | 1951 | $15,328 | $1.1 million | 2026-03 | |
| Kwar Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2024 | $11,671 | $11,146 | 2024-12 |
| VFW Post 3911 Toys for Conchs and Relief for Veterans Inc | Human services | 501(c)(3) | 2021 | $8,883 | $2,387 | 2025-12 |
| Hush Hush Theatre | Arts, culture and humanities | 501(c)(3) | 2025 | $5,406 | $5,406 | 2025-12 |
| One Human Family Educational Foundation Inc | Civil rights, social action and advocacy | 501(c)(3) | 2004 | $1,720 | $4,444 | 2025-06 |
| Academy of Marine Sciences Inc | 501(c)(3) | 1978 | $0 | $0 | 2026-03 | |
| Ahi Specialty Clinic Inc | Health care | 501(c)(3) | 2026 | |||
| American Legion Auxiliary Unit 28 Inc | 501(c)(19) | 2020 | $0 | $0 | 2026-06 | |
| American Postal Workers Union | 501(c)(5) | 1973 | $0 | $0 | 2024-05 | |
| Anne McKee Artists Fund of the Florida Keys Inc | Arts, culture and humanities | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Asociacion Ministerial Evangelica de Santidad Ebenezer Int Mission I | Human services | 501(c)(3) | 2018 | $0 | $1 | 2025-12 |
| Authentic Learning Alliance | Arts, culture and humanities | 501(c)(3) | 2004 | $2,545 | 2024-12 | |
| Bahais of Key West | 501(c)(3) | 1965 | ||||
| Bati Inc | 501(c)(3) | 1964 | ||||
| Big Coppitt First Baptist Church | 501(c)(3) | 1969 | ||||
| Buccaneer Athletic Boosters Inc | Recreation and sports | 501(c)(3) | 2019 | $0 | $0 | 2023-12 |
| Bud Brewer Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | $4.3 million | 2025-12 | |
| Burnham Foundation Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2023-12 |
| Catholic Daughters of the Americas | 501(c)(3) | 1946 | ||||
| Center of Prayer Ministries Inc | Religion-related | 501(c)(3) | 2012 | |||
| Chabad of Key West Inc | 501(c)(3) | 1997 | ||||
| Cheryl Cates Memorial Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2025 | |||
| Christinas Courage Inc | Mental health and crisis intervention | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Church of Creative Consciousnes Inc | Religion-related | 501(c)(3) | 2000 | |||
| Church of God Last Message Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Communications Workers of America | 501(c)(5) | 1950 | $0 | $0 | 2025-09 | |
| Compassion for Humanity Inc | Human services | 501(c)(3) | 2015 | $0 | $0 | 2024-12 |
| Conch Republic Cup | 501(c)(3) | 2017 | $0 | $0 | 2025-12 | |
| Conch Republic Cuties in Action | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-06 |
| Conch Republic Military Forces Inc | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Conch Republic Rebels Corporation | Recreation and sports | 501(c)(3) | 2026 | |||
| Conch Republic Wrestling Club Inc | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Conch Youth Athletics Inc | Youth development | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Congregation Bnai Zion of Key West Florida Inc | 501(c)(3) | 1988 | ||||
| Connie Gilbert Scholarship Fund Inc | Education | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Coral City Elks Lodge 610 & Coral City Temple 400 Ibpoe of the World | Mutual and membership benefit | 501(c)(3) | 2026 | |||
| Cornish Memorial Ame Zion Church | Religion-related | 501(c)(3) | 2019 | |||
| Covenant Word Church Inc | 501(c)(3) | 1990 | ||||
| David Anthony Silletti Foundation Inc | Medical research | 501(c)(3) | 2025 | |||
| Diocese of Southeast Florida St Pauls Episcopal Church 401 Duval S | 501(c)(3) | 1973 | ||||
| Dion Banks Foundation | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2016 | $4 million | 2025-12 | |
| Dr Jose C Sanchez Lions Eye Clinic of Monroe County Florida Inc | Health care | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Dr Paul W Davies Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2020 | $531,963 | 2024-12 | |
| Drunken Octopus Music | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Eagles Rest Christian Center Inc | Religion-related | 501(c)(3) | 2000 | |||
| Early Music Key West | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Earth Dream Alliance Inc | Food, agriculture and nutrition | 501(c)(3) | 2022 | $0 | $0 | 2023-10 |
| Eleanor Cares Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Fairy Gaymothers Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-09 |
| Fifth Street Baptist Church | 501(c)(3) | 1969 | ||||
| Fleming Street Faith Center Inc | Human services | 501(c)(3) | 2018 | $3.1 million | 2024-12 | |
| Florida Correctional Officers Association Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Florida Keys Audubon Society | 501(c)(3) | 1977 | $0 | $0 | 2026-06 | |
| Florida Keys Society for Human Resource Management | Community improvement and capacity building | 501(c)(6) | 2023 | $0 | $0 | 2025-12 |
| Foundation for Advanced Craniofacial Education Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 1999 | $6,100 | 2024-06 | |
| Friends of Floridas Ecology Inc | Environment | 501(c)(3) | 2020 | $0 | $0 | 2024-12 |
| Friends of the Aids Memorial Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2005 | $0 | $0 | 2025-12 |
| Fund the Future Find the Cure Inc | Medical research | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Garrett Hughes Memorial Scholarship | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Gay Key West | Civil rights, social action and advocacy | 501(c)(3) | 2026 | $0 | $0 | 2025-12 |
| Glad Tidings Tabernacle | 501(c)(3) | 1964 | ||||
| Golden Ratio Foundation | Animal-related | 501(c)(3) | 2022 | $23,062 | 2024-12 | |
| Grace Lutheran Church | 501(c)(3) | 1941 | ||||
| Grace Tabernacle 45 Riviera Dr | 501(c)(3) | 1990 | ||||
| Grieving Families of Youth Violence Inc | 501(c)(3) | 2024 | $0 | $0 | 2025-12 | |
| Harry & Harriet Ruchman Charitable Foundation Inc | 501(c)(3) | 1998 | $1 million | 2025-12 | ||
| Heartpack Inc | Public safety, disaster preparedness and relief | 501(c)(3) | 2019 | $0 | $0 | 2025-12 |
| Helping Hands of Florida Keys Corporation | Human services | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Holy Trinity Lutheran Church | 501(c)(3) | 1988 | ||||
| Hometown Key West Inc | Public and societal benefit | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Honest Eco Non Profit Corporation | Environment | 501(c)(3) | 2022 | $0 | $0 | 2024-12 |
| Igd Team Booster | Arts, culture and humanities | 501(c)(3) | 2024 | |||
| Iglesia Bautista White Street | 501(c)(3) | 1969 | ||||
| Ils Phoenix Corporation | Public and societal benefit | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Intergenerational Projects | Youth development | 501(c)(3) | 2010 | $0 | $0 | 2025-12 |
| International Association of Lions Clubs | Human services | 501(c)(4) | 1940 | $0 | $0 | 2025-06 |
| International Brotherhood of Electrical Workers | 501(c)(5) | 1940 | $0 | $0 | 2025-06 | |
| Island Beauty Foundation Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2024-12 |
| Iwffa Incorporated | Recreation and sports | 501(c)(3) | 2019 | $0 | $11,332 | 2024-12 |
| Jesters Guild Corp | Arts, culture and humanities | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| KW Lady Conchs Softball Booster Club Inc | Recreation and sports | 501(c)(3) | 2022 | $95,724 | 2023-12 | |
| Key West Baptist Temple Inc | 501(c)(3) | 1990 | ||||
| Key West Civic Association Inc | Arts, culture and humanities | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Key West Columbian Club Inc 809 Truman Ave | 501(c)(2) | 2003 | $0 | $0 | 2025-12 | |
| Key West Conchs Inc | Recreation and sports | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Key West Contemporary Dance | Arts, culture and humanities | 501(c)(3) | 2009 | $0 | $0 | 2025-12 |
| Key West Cultural Center and Vetera NS Museum Inc | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Key West Girls Softball Recreational League Inc | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Key West Homeless Coalition Inc | Arts, culture and humanities | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Key West Housing Development Corporation | Housing and shelter | 501(c)(3) | 2025 | $0 | $1 | 2024-12 |
| Key West Immigrant Support Network | Community improvement and capacity building | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Key West International Dance Corpor Ation | Arts, culture and humanities | 501(c)(3) | 2026 | |||
| Key West Lacrosse Booster Club Inc | Education | 501(c)(3) | 2017 | $621 | 2025-07 | |
| Key West Maritime Historical Society of the Florida Keys Inc | 501(c)(3) | 1985 | $0 | $0 | 2026-03 | |
| Key West Mile Markers Inc | Recreation and sports | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Key West Music Awards Inc | Arts, culture and humanities | 501(c)(3) | 2021 | $0 | $0 | 2025-12 |
| Key West Orchid Society | Environment | 501(c)(4) | 2019 | $0 | $0 | 2024-12 |
| Key West Police Department Lovefund Inc | Human services | 501(c)(3) | 2013 | $0 | $264,508 | 2025-12 |
| Key West Retired Catholic Priests Fund Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Key West Winter Baseball Inc | Recreation and sports | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Key West Youth Football League Inc | Recreation and sports | 501(c)(3) | 2026 | |||
| Key West Youth Lacrosse League | Recreation and sports | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Keys for Christ Trust Inc | Religion-related | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Knights of Columbus | 501(c)(8) | 1940 | $0 | $0 | 2025-12 | |
| Krewe of Key West Corp | Arts, culture and humanities | 501(c)(3) | 2016 | $0 | $0 | 2024-12 |
| Krewe of Thalassophiles Inc | Recreation and sports | 501(c)(3) | 2022 | $0 | $0 | 2023-12 |
| La Premiere Eglise Baptiste de Key West Inc | Religion-related | 501(c)(3) | 2016 | |||
| La Premiere Eglise Evangelique Baptiste Haitienne | 501(c)(3) | 1969 | ||||
| League of Women of the Lower Keys Inc | 501(c)(4) | 2019 | $0 | $0 | 2026-03 | |
| Life After the Wall Inc | Crime and legal-related | 501(c)(3) | 2024 | |||
| Loreen and Robert Ramey Community Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $5 million | 2024-12 | |
| Lost Generations of Americans | Crime and legal-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Love for Alex | Public and societal benefit | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Lower Keys Test Ease Inc | 501(c)(3) | 2021 | $0 | $0 | 2025-12 | |
| Lucis Fund Inc | Animal-related | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Magen Avraham Incorporated | 501(c)(3) | 1993 | ||||
| Martin Luther King Scholarship Committee Inc | Education | 501(c)(3) | 2018 | $0 | $0 | 2025-12 |
| Mel Fisher Days Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(4) | 2013 | $0 | $0 | 2025-12 |
| Metropolitan Community Church Key West | 501(c)(3) | 1973 | ||||
| Michelles Foundation Inc | Education | 501(c)(3) | 2013 | $639,763 | 2024-12 | |
| Miniterio Amados de Dios | 501(c)(3) | 1972 | ||||
| Mountain Lake Vegetation Management Council Incorporated | 501(c)(6) | 1974 | $0 | $0 | 2025-12 | |
| Mti Integrated Business Development Inc | Employment | 501(c)(3) | 2013 | $0 | $0 | 2023-12 |
| National Association of Letter Carriers | 501(c)(5) | 1944 | $0 | $0 | 2024-12 | |
| National Organization for Women Inc | 501(c)(4) | 1979 | $0 | $0 | 2025-12 | |
| Nickys Celebration Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| No Matter What Productions Inc | Mental health and crisis intervention | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Noted Foundation | Education | 501(c)(3) | 2026 | |||
| Old Fire House Preservation Inc Preservation | Arts, culture and humanities | 501(c)(3) | 2017 | $0 | $0 | 2024-12 |
| One Girl at A Time | Youth development | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Parrot Head Club of Key West | Human services | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Pawadise Pet Rescue Inc | Animal-related | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Peace Covenant Presbyterian Church | 501(c)(3) | 1977 | ||||
| Petronia St Neighborhood Association Inc | Environment | 501(c)(3) | 2016 | $0 | $0 | 2025-12 |
| Reach for Greatness Inc | Education | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Redreaming Whimsey Inc | Human services | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| Restoring the Way | Religion-related | 501(c)(3) | 2023 | |||
| Restoring the Way Inc | Religion-related | 501(c)(3) | 2023 | $0 | $0 | 2023-12 |
| Revelation House Inc | Religion-related | 501(c)(3) | 2000 | |||
| Rivers Wish Inc | Animal-related | 501(c)(3) | 2022 | $0 | $0 | 2025-12 |
| Road Runners Club of America | 501(c)(3) | 1976 | $0 | $0 | 2026-06 | |
| Rotary Club of Sunset Key West | Community improvement and capacity building | 501(c)(3) | 2014 | $0 | $0 | 2026-06 |
| Sailvation Inc | Recreation and sports | 501(c)(3) | 2009 | $0 | $0 | 2024-12 |
| Save A Tree Foundation Inc | Environment | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Save the Australian Pines at Fort Zachary Taylor Key West Inc | Environment | 501(c)(3) | 2008 | $0 | $0 | 2025-12 |
| Schooner Western Union Preservation Society Inc | Arts, culture and humanities | 501(c)(3) | 2012 | $0 | $0 | 2025-12 |
| Shoveling Sunshine Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2023 | $0 | $0 | 2024-12 |
| Sons of Italy in America | 501(c)(8) | 1991 | $0 | $0 | 2025-12 | |
| Southernmost Bocce League | Recreation and sports | 501(c)(7) | 2010 | $0 | $0 | 2025-12 |
| Southernmost First Class Petty Officer Association | Public and societal benefit | 501(c)(4) | 2024 | $0 | $0 | 2023-12 |
| Southernmost Homeless Assistance League Inc | Housing and shelter | 501(c)(3) | 1999 | $0 | $0 | 2024-06 |
| Southernmost Hurricane Club Inc | Education | 501(c)(3) | 2014 | $0 | $29,782 | 2025-12 |
| Southernmost Volleyball Club | Recreation and sports | 501(c)(3) | 2015 | $0 | $0 | 2025-10 |
| Special Forces Association Chapter 0 Inc | Public and societal benefit | 501(c)(3) | 2024 | $0 | $0 | 2025-12 |
| St Mary Star of the Sea Basilica Catholic Parish in Key West Inc | 501(c)(3) | 1946 | ||||
| St Peters Episcopal Church of Key West Florida Inc | 501(c)(3) | 1973 | $0 | $0 | 2025-12 | |
| Standup for Education Inc | Human services | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| Stay in Spirit Inc | Human services | 501(c)(3) | 2020 | $0 | $0 | 2025-12 |
| Summerland Institute | Science and technology | 501(c)(3) | 2023 | $0 | $0 | 2025-12 |
| Support Inc | Diseases, disorders and medical disciplines | 501(c)(3) | 2002 | $0 | $0 | 2025-12 |
| TCDLSF Inc | Employment | 501(c)(3) | 2024 | |||
| The Clements Family Charitable Trust | 501(c)(3) | 1993 | $2.2 million | 2024-12 | ||
| The Frederick Douglass School Black Educators Project Inc | Education | 501(c)(3) | 2014 | $0 | $0 | 2025-12 |
| The India Blake Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $5.7 million | 2025-12 | |
| The Keil and Khumalo Charities Inc | International, foreign affairs and national security | 501(c)(3) | 2018 | $0 | $0 | 2024-12 |
| The Southernmost Christian Academy Inc | Education | 501(c)(3) | 2026 | |||
| Toastmasters International | 501(c)(3) | 1945 | $0 | $0 | 2025-12 | |
| Todd Stuart Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 1999 | $44,540 | 2025-06 | |
| Trinity Presbyterian Church | 501(c)(3) | 1964 | $0 | $0 | 2025-12 | |
| Trinity Wesleyan Methodist Church Inc | Religion-related | 501(c)(3) | 2016 | |||
| Unity of the Keys Inc | 501(c)(3) | 1970 | ||||
| Voices That Care Inc | Crime and legal-related | 501(c)(3) | 2026 | |||
| Warren Family Foundation Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2021 | $882,798 | 2024-12 | |
| Waypoint Foundation Inc | Education | 501(c)(3) | 2015 | $0 | $0 | 2025-12 |
| Yahmans Non-Profit Organization | Arts, culture and humanities | 501(c)(3) | 2025 | $0 | $0 | 2025-12 |
| Zonta Club of Key West Inc | 501(c)(3) | 2019 | $0 | $0 | 2026-05 | |
| Zonta Foundation of Key West Inc | Philanthropy, voluntarism and grantmaking foundations | 501(c)(3) | 2000 | $0 | $0 | 2026-05 |
By cause in Key West, FL
- Arts, culture and humanities 32
- Human services 24
- Recreation and sports 21
- Education 20
- Philanthropy, voluntarism and grantmaking foundations 16
- Religion-related 11
- Environment 10
- Public and societal benefit 9
- Animal-related 8
- Mental health and crisis intervention 6
- Health care 6
- Housing and shelter 6
- Diseases, disorders and medical disciplines 5
- Youth development 5
- Community improvement and capacity building 5
- Mutual and membership benefit 3
- Crime and legal-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.