| 142 MOCKINGBIRD LANE, LLCMarathon, FL · Active | Marathon, FL | LLC | May 3, 2017 | Active |
| THE RESERVE AT SOMBRERO BEACH PROPERTY OWNERS ASSOCIATION, INC.Marathon, FL · Active | Marathon, FL | Nonprofit | Nov 1, 2016 | Active |
| PIRATES KEY SPIRITS, LLCMarathon, FL · Active | Marathon, FL | LLC | Oct 19, 2016 | Active |
| FL GETAWAYS LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 25, 2016 | Active |
| GRASSY MM 58, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 9, 2015 | Inactive |
| OUTPOST MM58, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Dec 9, 2015 | Inactive |
| 111 BRIAN ROAD, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 27, 2015 | Active |
| 12555 OVERSEAS PARTNERS LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 6, 2015 | Active |
| LAW OFFICES OF PATRICK M. STEVENS, P.A.Marathon, FL · Active | Marathon, FL | Corporation | Sep 24, 2013 | Active |
| SOMBRERO BEACH HAVEN LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 25, 2013 | Active |
| 6799 OVERSEAS HIGHWAY LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 20, 2012 | Active |
| MARATHON SUNSETS INC.Marathon, FL · Active | Marathon, FL | Corporation | Feb 2, 2010 | Active |
| ISLAND BREEZE REALTY, LLCMarathon, FL · Active | Marathon, FL | LLC | Aug 1, 2006 | Active |
| SPARKY'S LANDING, INCMarathon, FL · Active | Marathon, FL | Corporation | Jan 17, 2006 | Active |
| MARATHON TITLE COMPANYMarathon, FL · Active | Marathon, FL | Corporation | Dec 16, 2004 | Active |
| KEYS PROPERTIES, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 22, 2003 | Active |
| LYNN GOODWIN, P.A.Marathon, FL · Active | Marathon, FL | Corporation | Jun 19, 2002 | Active |
| CAPTAIN ZIELS, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 7, 2000 | Active |
| COVE HOUSE LLCMerritt Island, FL · Active | Merritt Island, FL | LLC | May 24, 2013 | Active |
| VACA HOMES LLCMiami, FL · Active | Miami, FL | LLC | Oct 8, 2020 | Active |
| GJT DEVELOPING LLCMiami, FL · Active | Miami, FL | LLC | May 13, 2020 | Active |
| 5TH AVENUE GULF LLCSouthwest Ranches, FL · Active | Southwest Ranches, FL | LLC | Jun 3, 2025 | Active |
| LIVELY PROPERTIES LLCSummerland Key, FL · Active | Summerland Key, FL | LLC | Mar 2, 2016 | Active |
| LIVELY CHARTERS, INC.Summerland Key, FL · Active | Summerland Key, FL | Corporation | Apr 12, 2001 | Active |
| 4 AVENUE D LLCSunny Isles, FL · Active | Sunny Isles, FL | LLC | Oct 20, 2017 | Active |
| MOTOR HOLDINGS - FLORIDA LLCTavernier, FL · Active | Tavernier, FL | LLC | Apr 5, 2021 | Active |
| CENTRAL T.V. AND APPLIANCE, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Jun 18, 2015 | Active |
| LACONTI MASONRY, INC.Location not reported, FL · Active | Location not reported, FL | Corporation | Nov 16, 2021 | Active |
| R.E. SERVICES NO. 13, L.L.C.Location not reported, FL · Active | Location not reported, FL | LLC | Apr 9, 2003 | Active |
| FLORIDA KEYS LOBSTER HOUSE, INC.Marathon, FL · Active | Marathon, FL | Corporation | Aug 11, 1989 | Active |
| KEY COLONY HOMES LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 7, 2012 | Active |
| BLUEFIN BAY LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Apr 11, 2013 | Active |
| T&T BAIT AND COLLECTION LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 30, 2014 | Inactive |
| EL PASO PARTNERS, LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Sep 8, 2014 | Active |
| SIMONE PROPERTY HOLDINGS LLCDuck Key, FL · Active | Duck Key, FL | LLC | Sep 12, 2014 | Active |
| OCEANS 84 LLCMarathon, FL · Inactive | Marathon, FL | LLC | Oct 2, 2015 | Inactive |
| TADA INVESTMENTS LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Mar 30, 2016 | Active |
| RUM GYPSY, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 11, 2017 | Inactive |
| KB OCEAN PROPERTIES LLCLocation not reported, FL · Inactive | Location not reported, FL | LLC | Jun 5, 2017 | Inactive |
| OCEANS 90, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 7, 2017 | Inactive |
| 750 85TH OCEAN, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Feb 1, 2018 | Inactive |
| TEN CART LLCMarathon, FL · Inactive | Marathon, FL | LLC | Feb 5, 2018 | Inactive |
| 280 13TH KCB, LLCKey Colony Beach, FL · Active | Key Colony Beach, FL | LLC | Apr 17, 2018 | Active |
| KEYS DANCE ACADEMY, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 27, 2018 | Inactive |
| SWEATEQUITY SPORTFISHING, LLCKey Colony Beach, FL · Inactive | Key Colony Beach, FL | LLC | Jul 6, 2018 | Inactive |
| 9984 AVIATION LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 13, 2018 | Inactive |
| 134 COCO PLUM, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Nov 13, 2018 | Inactive |
| HHRC LLCLocation not reported, FL · Active | Location not reported, FL | LLC | Jan 14, 2019 | Active |
| QUIETLY LLCKey Colony Beach, FL · Active | Key Colony Beach, FL | LLC | Jun 3, 2019 | Active |
| KEY VACA CENTER LLCSugarloaf Key, FL · Active | Sugarloaf Key, FL | LLC | Dec 10, 2019 | Active |