| SEAWARD POINTE LLCJupiter, FL · Active | Jupiter, FL | LLC | Mar 26, 2018 | Active |
| FLORIDA KEYS RESORT HOLDINGS, LLCJupiter, FL · Active | Jupiter, FL | LLC | May 26, 2015 | Active |
| FLORIDA KEYS RESORT LLCJupiter, FL · Active | Jupiter, FL | LLC | Jan 8, 2015 | Active |
| SEAWARD HOLDINGS, LLCMarathon, FL · Active | Marathon, FL | LLC | May 11, 2016 | Active |
| MARATHON LIQUORS, INC.Marathon, FL · Active | Marathon, FL | Corporation | Jun 16, 1975 | Active |
| FLORIDA COMMUTER AIRLINES, INC.Key West, FL · Inactive | Key West, FL | Corporation | Feb 16, 1987 | Inactive |
| SOMBRERO BEACH PARTNERS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Aug 27, 2004 | Inactive |
| SOUTHERN CROSS INVESTMENTS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Aug 30, 2005 | Active |
| KIG OPERATIONS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 20, 2006 | Inactive |
| KIG PERSONAL HOLDINGS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 20, 2006 | Inactive |
| KEYSFIRST CHARTERS, LLCSummerland Key, FL · Inactive | Summerland Key, FL | LLC | Jun 22, 2007 | Inactive |
| KEYSFIRST AIRCRAFT, LLCSummerland Key, FL · Inactive | Summerland Key, FL | LLC | Jun 22, 2007 | Inactive |
| IAN'S ELECTRONICS LLCCudjoe Key, FL · Active | Cudjoe Key, FL | LLC | Jan 10, 2013 | Active |
| SRG KEYS CLUB, LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Oct 15, 2013 | Inactive |
| PJP OF THE FLORIDA KEYS, LLCSummerland Key, FL · Inactive | Summerland Key, FL | LLC | Jun 30, 1997 | Inactive |
| ROSASCO & SAUNDERS, C.P.A.'S, L.L.C.Summerland Key, FL · Inactive | Summerland Key, FL | LLC | Jan 6, 1998 | Inactive |
| KEY WEST TO CUBA CHARTERS, L.L.C.Summerland Key, FL · Inactive | Summerland Key, FL | LLC | Sep 20, 1999 | Inactive |
| COMPASS ROSE INVESTMENTS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Apr 3, 2003 | Active |
| BIG PINE NEIGHBORHOOD CHARTER SCHOOL INC.Big Pine Key, FL · Inactive | Big Pine Key, FL | Nonprofit | Mar 19, 2001 | Inactive |
| SOUTH FLORIDA OSTEOPATHIC EDUCATIONAL FOUNDATION, INC.Miami, FL · Inactive | Miami, FL | Nonprofit | Jun 30, 2014 | Inactive |
| SOMBRERO ISLE LANDSCAPING FUND CORP.Marathon, FL · Active | Marathon, FL | Nonprofit | Nov 13, 2023 | Active |
| KEYSFIRST CONSTRUCTION, INC.Summerland Key, FL · Inactive | Summerland Key, FL | Corporation | Jan 4, 2007 | Inactive |
| FELTS CHIROPRACTIC CENTER, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Feb 20, 1997 | Inactive |
| KEYSFIRST REALTY, INC.Marathon, FL · Active | Marathon, FL | Corporation | Mar 3, 1998 | Active |