| SEA-AIR ESTATES, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 30, 1971 | Inactive |
| GULF AND ATLANTIC CONSTRUCTORS OF FLORIDA, INC.Summerland Key, FL · Inactive | Summerland Key, FL | Corporation | Feb 18, 1974 | Inactive |
| THE REEF BAR, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jul 28, 1975 | Inactive |
| H & S MARINE, INCORPORATEDKey Colony Bch, FL · Inactive | Key Colony Bch, FL | Corporation | Oct 16, 1975 | Inactive |
| INTRACOASTAL UTILITIES CORP.Marathon, FL · Inactive | Marathon, FL | Corporation | Aug 17, 1976 | Inactive |
| ERNCO ASSOCIATES, INC.Winter Spgs, FL · Inactive | Winter Spgs, FL | Corporation | Sep 7, 1976 | Inactive |
| SEA JAWS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Feb 15, 1977 | Inactive |
| KEY LIME VACATIONS, INC.Marathon Shores, FL · Inactive | Marathon Shores, FL | Corporation | Dec 15, 1977 | Inactive |
| AULTMAN - NELSON CONSTRUCTION CO., INC.Location not reported, FL · Inactive | Location not reported, FL | Corporation | Jun 13, 1978 | Inactive |
| TOLIN & METZ ENTERPRISES, INC.Islamorada, FL · Inactive | Islamorada, FL | Corporation | Oct 2, 1978 | Inactive |
| TERRA-MAR BUILDERS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Nov 15, 1978 | Inactive |
| SCIENTIFIC MARINE PACKAGING, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jan 10, 1979 | Inactive |
| KEY COLONY MANAGEMENT OF MONROE COUNTY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jan 26, 1979 | Inactive |
| GRAVII CORPORATIONMarathon, FL · Inactive | Marathon, FL | Corporation | Mar 6, 1979 | Inactive |
| SCHIRICO CORPORATIONMarathon, FL · Inactive | Marathon, FL | Corporation | Jul 9, 1979 | Inactive |
| J L E PRODUCTIONS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Aug 7, 1979 | Inactive |
| BIFFANN, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Dec 18, 1979 | Inactive |
| SOUTHWING, INC.Big Pine Key, FL · Inactive | Big Pine Key, FL | Corporation | Jan 7, 1980 | Inactive |
| NEXT CASE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jan 11, 1980 | Inactive |
| GRABER, INC.Duck Key, FL · Inactive | Duck Key, FL | Corporation | Feb 12, 1980 | Inactive |
| CONTINENTAL CONDOMINIUM OF MARATHON, INC.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Nonprofit | Oct 5, 1973 | Inactive |
| CONTINENTAL CONDOMINIUM OF MARATHON, BUILDING NO. 2, INC.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Nonprofit | May 2, 1974 | Inactive |
| CONTINENTAL CONDOMINIUM OF MARATHON, BUILDING NO. 3, INC.Location not reported, FL · Inactive | Location not reported, FL | Nonprofit | Nov 4, 1974 | Inactive |
| KEY LIME RESORT AND MARINA CLUB, INC.Marathon Shores, FL · Inactive | Marathon Shores, FL | Nonprofit | Jul 15, 1976 | Inactive |
| FLORIDA KEYS C.B. ORGANIZATION, INC.Marathon, FL · Inactive | Marathon, FL | Nonprofit | Nov 16, 1976 | Inactive |
| RUTTGERS OCEAN BEACH LODGE, LTD.Key Colony Beach, FL · Inactive | Key Colony Beach, FL | Partnership | Mar 13, 1980 | Inactive |
| SOMBRERO TEXACO SERVICE, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 11, 1981 | Inactive |
| HAGERTY CONSTRUCTION CO., INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 29, 1982 | Inactive |
| STEPA, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Dec 22, 1982 | Inactive |
| CLEOPATRA'S GEMS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | May 31, 1983 | Inactive |
| PIRATE'S COVE VILLAS REALTY, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Jun 24, 1983 | Inactive |
| PIRATE'S COVE VILLAS MANAGEMENT, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Aug 2, 1983 | Inactive |
| PIRATE'S COVE VILLAS DEVELOPMENT CORPORATIONMarathon, FL · Inactive | Marathon, FL | Corporation | Aug 11, 1983 | Inactive |
| FIRM FOUNDATIONS, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | May 15, 1984 | Inactive |
| MIDKEYS BUSINESS ASSOCIATION, INC.Marathon, FL · Inactive | Marathon, FL | Nonprofit | Jan 18, 1984 | Inactive |
| THE FLORIDA KEYS AVIATION ASSOCIATION, INC.Marathon, FL · Inactive | Marathon, FL | Nonprofit | Feb 23, 1995 | Inactive |
| FGL MANAGEMENT, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Sep 24, 1993 | Inactive |
| INTERLOCKING BRICK, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Oct 10, 1994 | Inactive |
| BULY'S SILVERADO, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Feb 15, 1999 | Inactive |
| AKF ENTERPRISES, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 25, 1999 | Inactive |