| SEAVIEW COMMONS II, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 3, 2021 | Active |
| CUNDIFF BINS LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 2, 2021 | Active |
| SERENITY IN PARADISE LLC 001 OZMarathon, FL · Active | Marathon, FL | LLC | Mar 2, 2021 | Active |
| TRANQUILITY IN PARADISE LLC. 007 OZ LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 2, 2021 | Active |
| KEYS AUCTION GALLERY LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 1, 2021 | Active |
| MARATHONERS I, LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 26, 2021 | Active |
| MARATHONERS II, LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 26, 2021 | Active |
| GLOBE FIRE AND SECURITY INCMarathon, FL · Inactive | Marathon, FL | Corporation | Feb 25, 2021 | Inactive |
| ODRA, INC.Marathon, FL · Active | Marathon, FL | Corporation | Feb 23, 2021 | Active |
| FLORIDA KEYS LATTITUDE ADJUSTMENT LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 22, 2021 | Active |
| J AND Y MARBLE GRANITE DESIGN LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 18, 2021 | Active |
| MIDDLE KEYS CHARTERS LLCMarathon, FL · Inactive | Marathon, FL | LLC | Feb 16, 2021 | Inactive |
| VINYL SUPPLY USA, INC.Marathon, FL · Active | Marathon, FL | Corporation | Feb 16, 2021 | Active |
| PAYTON'S PROMISE INCMarathon, FL · Active | Marathon, FL | Nonprofit | Feb 9, 2021 | Active |
| SARA'S ESTATE SALES LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 5, 2021 | Active |
| RCB BULLY LLCMarathon, FL · Inactive | Marathon, FL | LLC | Feb 4, 2021 | Inactive |
| OTB MANAGEMENT LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 3, 2021 | Active |
| JARED DIEGUEZ INCMarathon, FL · Active | Marathon, FL | Corporation | Feb 1, 2021 | Active |
| MAYDA CLEANING SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Feb 1, 2021 | Active |
| THE GRACE DISTRIBUTION LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 29, 2021 | Active |
| TWO CONCHS FRANCHISE LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 26, 2021 | Active |
| SLAMTIME CHARTERS OF THE FLORIDA KEYS INCMarathon, FL · Active | Marathon, FL | Corporation | Jan 21, 2021 | Active |
| JOHN E. NEWBERRY, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 19, 2021 | Active |
| MERIDIAN 81, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 15, 2021 | Active |
| MARATHON KAYAK LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 14, 2021 | Active |
| CASA MARCELA LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 12, 2021 | Active |
| CAPTAIN D'S ISLAND OUTFITTER, INC.Marathon, FL · Active | Marathon, FL | Corporation | Jan 6, 2021 | Active |
| 11187 OVERSEAS, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 5, 2021 | Active |
| MILESHAWK MARINE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Jan 5, 2021 | Inactive |
| KEYS PROPERTY WATCH, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 4, 2021 | Active |
| M&M RENTALS UNLIMITED LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 4, 2021 | Active |
| SMALL TOWN MARINE LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 4, 2021 | Active |
| VACATION RENTALS IN THE KEYS, LLCMarathon, FL · Active | Marathon, FL | LLC | Jan 4, 2021 | Active |
| FLORIDA KEYS OZ HOMES, INC.Marathon, FL · Active | Marathon, FL | Corporation | Dec 29, 2020 | Active |
| SIGNS BY RENEE, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 28, 2020 | Active |
| TINGLER LANE LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 28, 2020 | Active |
| YACHT THEA, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 22, 2020 | Active |
| SOMEDAY CAME, LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 21, 2020 | Active |
| REINOL CONSTRUCTION INCMarathon, FL · Active | Marathon, FL | Corporation | Dec 18, 2020 | Active |
| LYONS CONTRACTING SERVICES INC.Marathon, FL · Active | Marathon, FL | Corporation | Dec 17, 2020 | Active |
| TOP NOTCH SPORTFISHING INC.Marathon, FL · Active | Marathon, FL | Corporation | Dec 17, 2020 | Active |
| FLORIDA EXPEDITED SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 14, 2020 | Active |
| SNORKEL KING LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 14, 2020 | Active |
| OVERSEAS CHIROPRACTIC INC.Marathon, FL · Active | Marathon, FL | Corporation | Dec 11, 2020 | Active |
| ISLAND HOME INVESTMENTS, LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 10, 2020 | Inactive |
| VACA SUN RENTALS LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 10, 2020 | Active |
| CAYO CONSTRUCTION LLCMarathon, FL · Inactive | Marathon, FL | LLC | Dec 8, 2020 | Inactive |
| SOAR MARINE SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 8, 2020 | Active |
| GINGER PERREAULT, P.A.Marathon, FL · Active | Marathon, FL | Corporation | Dec 7, 2020 | Active |
| KEYS HOUSE LLCMarathon, FL · Active | Marathon, FL | LLC | Dec 7, 2020 | Active |