| THE RAINBOW PROJECT, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Oct 25, 2017 | Inactive |
| FLORIDA KEYS HOUSE OF PRAYER, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jan 29, 2018 | Inactive |
| SHADY PALM HOA INCIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 23, 2018 | Inactive |
| INCORPORATED FOOTBALL LEAGUE OF THE UPPER FLORIDA KEYSIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jun 7, 2018 | Inactive |
| LADIES INVITATIONAL TARPON FLY TOURNAMENT INCIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jul 2, 2018 | Inactive |
| MUSTARD SEED FOUNDATION OF MONROE COUNTY, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Dec 22, 1986 | Inactive |
| NOW OR NEVERGLADES, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Feb 28, 2019 | Inactive |
| FELINE FIX-ATION INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Dec 16, 2019 | Inactive |
| SHORELINE RESTORATION SERVICES INCIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 11, 2020 | Inactive |
| FLORIDA KEYS EFOIL CORPORATIONIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 25, 2020 | Inactive |
| ISLAMORADA ARTIFICIAL REEF ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 27, 2020 | Inactive |
| INTERNATIONAL GAMEFISH RELEASE AND ENHANCEMENT PROGRAM, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | May 20, 1987 | Inactive |
| EVERBLUE SEAS CORPORATIONIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Sep 22, 2021 | Inactive |
| FRIENDS OF THE KEYS, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jun 5, 1987 | Inactive |
| FRIENDS OF THE ISLAMORADA AREA STATE PARKS, INC .Islamorada, FL · Active | Islamorada, FL | Nonprofit | Jun 18, 1987 | Active |
| FIVE LITTLE PALMS CONDOMINIUM ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 22, 2022 | Inactive |
| MONROE ISLA CORPORATIONIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jul 13, 2022 | Inactive |
| WEMBLEY FARMS TOY DRIVE INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Oct 5, 2022 | Inactive |
| CASSY FOUNDATION INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Nov 22, 2022 | Inactive |
| ISLAMORADA FOREVER INCIsamorada, FL · Inactive | Isamorada, FL | Nonprofit | Aug 15, 2023 | Inactive |
| ISLAMORANDA OUTREACH SOCIETY, INCIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Dec 8, 2023 | Inactive |
| OCEAN HAVEN OF ISLAMORADA INCIslamorada, FL · Inactive | Islamorada, FL | Nonprofit | Mar 8, 2024 | Inactive |
| TARPON FLATS AMENITIES CLUB, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Feb 15, 1988 | Inactive |
| CORAL HARBOR YACHT CLUB, INC.Islamorado, FL · Inactive | Islamorado, FL | Nonprofit | Mar 3, 1988 | Inactive |
| UNIDOS EN AMOR ISLAMORADA, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Mar 9, 2026 | Active |
| MELANIE WALDMAN MINISTRIES INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | May 28, 2026 | Active |
| ALLIGATOR REEF LIGHTHOUSE FOUNDATION, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Sep 4, 2026 | Active |
| FLORIDA KEYS ENVIRONMENTAL FUND, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jun 8, 1988 | Inactive |
| MAISON MATECUMBE CONDOMINIUM OWNERS ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Feb 15, 1989 | Inactive |
| THE REDBONE, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Apr 3, 1989 | Active |
| MONROE COUNTY MARINE TRADE ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Aug 10, 1989 | Inactive |
| WHITE MARLIN BEACH PARK ASSOCIATION, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Oct 16, 1989 | Active |
| GREEN TURTLE BEACH HOMEOWNERS' ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Nov 17, 1989 | Inactive |
| OCEAN HARBOUR OF ISLAMORADA CONDOMINIUM ASSOCIATION, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Nov 17, 1989 | Active |
| SANDY COVE TOWNHOMES CONDOMINIUM ASSOCIATION, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Dec 22, 1989 | Active |
| LOWER MATECUMBE PROPERTY OWNERS ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jan 29, 1990 | Inactive |
| ISLAMORADA DIVE ASSOCIATION, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Aug 17, 1990 | Inactive |
| CHRISTIAN ACTION COUNCIL OF THE UPPER KEYS, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Aug 17, 1990 | Inactive |
| MATECUMBE OCEAN VIEW PROPERTY OWNERS ASSOCIATION, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Feb 14, 1992 | Active |
| ST. JAMES EPISCOPAL ACADEMY, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jun 21, 1993 | Inactive |
| FLORIDA BAY INITIATIVE, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jul 7, 1993 | Inactive |
| SAVE OUR EVERGLADES, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Sep 29, 1993 | Inactive |
| WATER QUALITY JOINT ACTION GROUP, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Apr 26, 1994 | Inactive |
| AMVETS ISLAMORADA HURRICANE POST #935 INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jul 5, 1994 | Inactive |
| MATECUMBE HISTORICAL TRUST CORPORATIONIslamorada, FL · Active | Islamorada, FL | Nonprofit | Oct 3, 1994 | Active |
| SAVE OUR EVERGLADES ALLIANCE, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Oct 20, 1994 | Inactive |
| THE FLORIDA ROLL'N GATORS, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Jan 9, 1995 | Inactive |
| MATECUMBE ANGLERS, INC.Islamorada, FL · Active | Islamorada, FL | Nonprofit | Jun 1, 1995 | Active |
| EXECUTIVES' ASSOCIATION OF THE FLORIDA KEYS, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Oct 27, 1995 | Inactive |
| SAVE OUR BUSINESS, INC.Islamorada, FL · Inactive | Islamorada, FL | Nonprofit | Nov 30, 1995 | Inactive |