| TROPICAL FISH INTERNATIONAL INCMarathon, FL · Active | Marathon, FL | Corporation | Aug 30, 2017 | Active |
| PROP TEC MARATHON INCMarathon, FL · Active | Marathon, FL | Corporation | Aug 29, 2017 | Active |
| SOUTO BARBER SHOP INCMarathon, FL · Active | Marathon, FL | Corporation | Aug 22, 2017 | Active |
| L C N CONSTRUCTION INCMarathon, FL · Inactive | Marathon, FL | Corporation | Aug 17, 2017 | Inactive |
| 600 17TH COURT ,LLCMarathon, FL · Active | Marathon, FL | LLC | Aug 11, 2017 | Active |
| DOUBLE J SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Aug 11, 2017 | Active |
| MASTER CABBIE ENTERPRISES LLCMarathon, FL · Active | Marathon, FL | LLC | Aug 10, 2017 | Active |
| AJC PAVERS CORPMarathon, FL · Active | Marathon, FL | Corporation | Aug 1, 2017 | Active |
| ARTEMISA LIVE BAIT LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 19, 2017 | Active |
| BELVOIR 242 LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 19, 2017 | Active |
| ALL IN GAMES ENTERPRISES, LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 13, 2017 | Active |
| T & B DANIELS LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 13, 2017 | Active |
| LOCAL MARKETERS NETWORK COMPANYMarathon, FL · Active | Marathon, FL | Corporation | Jul 11, 2017 | Active |
| FLORIDA KEYS REAL ESTATE COMPANY, LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 7, 2017 | Active |
| MALLORY MORTON P.A.Marathon, FL · Active | Marathon, FL | Corporation | Jul 7, 2017 | Active |
| COCONUT ELLE'S LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jul 6, 2017 | Inactive |
| VACATION RENTALS OF THE FLORIDA KEYS, LLCMarathon, FL · Active | Marathon, FL | LLC | Jul 6, 2017 | Active |
| LISA ANNETTE BAEZ LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jul 3, 2017 | Inactive |
| THE KATCH, LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 23, 2017 | Active |
| HOUSER RENTAL - FERREIRE, LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 15, 2017 | Active |
| HOUSER RENTAL - GUAVA, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jun 15, 2017 | Inactive |
| HOUSER RENTAL - KEY WEST, LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 15, 2017 | Active |
| HOUSER RENTAL - PARADISE PLACE, LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 15, 2017 | Active |
| OCD MARATHON LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 14, 2017 | Active |
| DOC'S TATTOOZ LLCMarathon, FL · Active | Marathon, FL | LLC | Jun 12, 2017 | Active |
| HIGH TIDE FISHING CHARTERS L.L.C.Marathon, FL · Active | Marathon, FL | LLC | Jun 12, 2017 | Active |
| FISHERMEN'S HEALTH, INC.Marathon, FL · Active | Marathon, FL | Nonprofit | May 24, 2017 | Active |
| CASA BLANCA BY THE SEA LLCMarathon, FL · Active | Marathon, FL | LLC | May 22, 2017 | Active |
| C&V MULTI SERVICES GROUP INCMarathon, FL · Active | Marathon, FL | Corporation | May 15, 2017 | Active |
| FL KEYS MARINE DETAILING LLCMarathon, FL · Inactive | Marathon, FL | LLC | May 15, 2017 | Inactive |
| SUNRISE ISLE CANAL RESTORATION PROJECT, INC.Marathon, FL · Inactive | Marathon, FL | Nonprofit | May 12, 2017 | Inactive |
| MIDDLE KEYS MARINA, INC.Marathon, FL · Active | Marathon, FL | Corporation | May 10, 2017 | Active |
| MARATHON MEMORIES LLCMarathon, FL · Active | Marathon, FL | LLC | May 8, 2017 | Active |
| 142 MOCKINGBIRD LANE, LLCMarathon, FL · Active | Marathon, FL | LLC | May 3, 2017 | Active |
| GENERAL BUILDER OF THE KEYS, INC.Marathon, FL · Active | Marathon, FL | Corporation | May 2, 2017 | Active |
| FOLLAND PHOTOGRAPHY LLCMarathon, FL · Active | Marathon, FL | LLC | May 1, 2017 | Active |
| 1052 JAMES, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 28, 2017 | Active |
| HIPPOCAMPUS II LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 28, 2017 | Active |
| AIRPLANES PLUS, INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 26, 2017 | Active |
| NIKAL, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 26, 2017 | Active |
| PARADISE COZY HOME, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 26, 2017 | Active |
| BLUE MARLIN HOUSE LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 25, 2017 | Active |
| OCEAN EQUIPMENT, INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 24, 2017 | Active |
| DOUBLE D OF THE FLORIDA KEYS INCMarathon, FL · Active | Marathon, FL | Corporation | Apr 21, 2017 | Active |
| RYAN IRWIN INCMarathon, FL · Active | Marathon, FL | Corporation | Apr 10, 2017 | Active |
| HERNANDEZ TILE AND POLISH CORPMarathon, FL · Active | Marathon, FL | Corporation | Apr 6, 2017 | Active |
| FJB PUBLISHING, INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 3, 2017 | Active |
| FREDDIE BYE RECORDS, INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 3, 2017 | Active |
| SEA LEVEL SPA, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 31, 2017 | Active |
| MARVIN W CHEF INCMarathon, FL · Active | Marathon, FL | Corporation | Mar 30, 2017 | Active |