| WESTVIEW HOMEOWNERS ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Dec 27, 1984 | Inactive |
| CEDAR KEY WOMAN'S CLUB, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Feb 26, 1985 | Active |
| KINGFISHER CONDOMINIUM OWNERS ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Feb 4, 2008 | Inactive |
| "SEA" CEDAR KEY, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Aug 14, 2008 | Inactive |
| CEDAR KEY R.V. RESORT COOPERATIVE, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jan 30, 2009 | Active |
| GOOSE COVE II CONDOMINIUM ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | May 9, 1985 | Active |
| RURAL DISTRICT NO. 4 VOLUNTEER FIRE DEPARTMENT, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jun 11, 1985 | Inactive |
| CEDAR KEY ENERGY ADVISORY PANEL, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Apr 27, 2010 | Inactive |
| BOOKPARTNERS, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jun 18, 2010 | Inactive |
| SAWGRASS CLUB OF CEDAR KEY, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jan 20, 2011 | Inactive |
| RURAL DISTRICT 4 VOLUNTEER FIRE DEPARTMENT, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Mar 25, 2011 | Inactive |
| THE GATHERING AT CEDAR KEY INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | May 22, 2012 | Inactive |
| DARK NIGHT FOUNDATION INCCedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Nov 6, 2012 | Inactive |
| CEDAR KEY AQUARIUM, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jan 16, 2014 | Inactive |
| CEDAR KEY EMERGENCY MEDICAL SERVICES, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | May 14, 1986 | Inactive |
| CEDAR KEYS AUDUBON INCCedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Mar 4, 2016 | Inactive |
| THE NEW WORD MINISTRIES, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Aug 19, 1986 | Inactive |
| CEDAR KEY COMMUNITY GARDEN, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jan 13, 2017 | Active |
| ROSEWOOD BAPTIST CHURCH, INCCedar Key, FL · Active | Cedar Key, FL | Nonprofit | Dec 15, 2017 | Active |
| FLORIDA SUSTAINABLE AGRICULTURE COOPERATIVE, INCCedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Aug 30, 2018 | Inactive |
| US SUSTAINABLE AGRICULTURE COOPERATIVE, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Aug 30, 2018 | Inactive |
| CEDAR KEY FOOD PANTRY, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Sep 30, 2019 | Active |
| CEDAR KEY SHARKS BOOSTER CLUB, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Oct 18, 2019 | Inactive |
| FAIRTRADE LIBERTY GROCERY COOPERATIVE INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Apr 17, 2020 | Inactive |
| FRIENDS OF CEDAR KEY CEMETERY, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | May 7, 2021 | Active |
| CEDAR KEY HAVEN HOMEOWNERS ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Mar 28, 2023 | Active |
| LAKOTA OWNERS ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | May 3, 2023 | Active |
| W.R.E.N. INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Nov 17, 2023 | Inactive |
| CEDAR KEY CHURCH OF CHRIST, INCORPORATEDCedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jul 29, 2024 | Active |
| CKVETS INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jan 17, 2025 | Active |
| RECEDAR KEY, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Apr 21, 2025 | Active |
| LION'S CLUB OF CEDAR KEY, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jun 10, 2025 | Active |
| CEDAR KEY LIONS FOUNDATION INCCedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jul 21, 2025 | Active |
| NATURE COAST STUDENT ORGANIZATION INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Aug 8, 2025 | Active |
| FRATERNAL ORDER OF EAGLES #4194, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Mar 3, 1988 | Active |
| CEDAR KEY HIGH ALUMNI 100 CLUB, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Mar 3, 1989 | Inactive |
| CONDOMINIUM MASTER CORPORATION OF PARK PLACE, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Jun 27, 1989 | Active |
| CEDAR KEY SHORES ADDITION PROPERTY OWNERS ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Aug 15, 1989 | Inactive |
| CARING SHEPHERD MINISTERIES, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jan 30, 1990 | Inactive |
| CEDAR KEY CHURCH OF CHRIST, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Apr 8, 1992 | Inactive |
| FLORIDA'S NATURE COAST CONSERVANCY, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | May 22, 1992 | Active |
| FRIENDS OF CEDAR KEY STATE PARKS INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Jul 8, 1992 | Inactive |
| EGRET'S PASS HOMEOWNERS ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Sep 22, 1992 | Inactive |
| RYE KEY HOMEOWNERS ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Oct 28, 1992 | Active |
| OLD FENIMORE MILL MASTER ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Mar 17, 1993 | Inactive |
| OLD FENIMORE MILL CONDOMINIUM ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Mar 17, 1993 | Active |
| CEDAR KEY CLAM FARMERS ASSOCIATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Nov 15, 1993 | Inactive |
| THE CEDAR KEY ARTS CENTER, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Dec 2, 1994 | Active |
| SEAHORSE LANDING CONDOMINIUM ASSOCIATION, INC.Cedar Key, FL · Active | Cedar Key, FL | Nonprofit | Feb 14, 1995 | Active |
| THE HENRY AND RILLA WHITE FOUNDATION, INC.Cedar Key, FL · Inactive | Cedar Key, FL | Nonprofit | Dec 19, 1995 | Inactive |