| MARATHON DREAMS, LLCMarathon, FL · Active | Marathon, FL | LLC | May 28, 2021 | Active |
| PET SITTING BY MARGARET L.L.C.Marathon, FL · Active | Marathon, FL | LLC | May 28, 2021 | Active |
| B&B PRO ELECTRIC INC.Marathon, FL · Active | Marathon, FL | Corporation | May 27, 2021 | Active |
| WILLY'S CONSTRUCTION LLCMarathon, FL · Active | Marathon, FL | LLC | May 24, 2021 | Active |
| OFF THE HOOK MARATHON CHARTERS INCMarathon, FL · Active | Marathon, FL | Corporation | May 19, 2021 | Active |
| SWPA INVESTMENTS, LLCMarathon, FL · Active | Marathon, FL | LLC | May 18, 2021 | Active |
| THE PARTNERSHIP FOR POLICING INNOVATION AND REFOM INC.Marathon, FL · Active | Marathon, FL | Nonprofit | May 18, 2021 | Active |
| JENNIFER O'MARAH PAMarathon, FL · Active | Marathon, FL | Corporation | May 17, 2021 | Active |
| KEY COLONY POOL SERVICE INCMarathon, FL · Active | Marathon, FL | Corporation | May 17, 2021 | Active |
| MID KEYS HOLDING LLCMarathon, FL · Active | Marathon, FL | LLC | May 17, 2021 | Active |
| 218-220 66TH ST LLCMarathon, FL · Active | Marathon, FL | LLC | May 14, 2021 | Active |
| GOCHA COVERED LLCMarathon, FL · Active | Marathon, FL | LLC | May 12, 2021 | Active |
| SATARA PROPERTIES, LLCMarathon, FL · Active | Marathon, FL | LLC | May 12, 2021 | Active |
| 6407 OCEANVIEW AVE LLCMarathon, FL · Active | Marathon, FL | LLC | May 11, 2021 | Active |
| ALL KEYS CHARTERS, LLCMarathon, FL · Active | Marathon, FL | LLC | May 11, 2021 | Active |
| LUNA BAY BREEZE, LLCMarathon, FL · Inactive | Marathon, FL | LLC | May 11, 2021 | Inactive |
| YANELIS CLEANING SERVICE LLCMarathon, FL · Active | Marathon, FL | LLC | May 10, 2021 | Active |
| KEYS RECYCLING OF MARATHON INCMarathon, FL · Active | Marathon, FL | Corporation | May 6, 2021 | Active |
| KNIGHT DETAILING LLCMarathon, FL · Inactive | Marathon, FL | LLC | May 6, 2021 | Inactive |
| R2TP, INC.Marathon, FL · Active | Marathon, FL | Corporation | May 6, 2021 | Active |
| RJIS PROPERTIES LLCMarathon, FL · Active | Marathon, FL | LLC | May 6, 2021 | Active |
| CARGON ENTERPRISES, LLCMarathon, FL · Active | Marathon, FL | LLC | May 5, 2021 | Active |
| DBY FISHING LLCMarathon, FL · Active | Marathon, FL | LLC | May 5, 2021 | Active |
| MARATHON FRIENDS OF THE LIBRARY, INC.Marathon, FL · Active | Marathon, FL | Nonprofit | May 4, 2021 | Active |
| CORAL CLUB 207, LLC.Marathon, FL · Active | Marathon, FL | LLC | May 3, 2021 | Active |
| M.A.R GENERAL UPHOLSTERY LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 28, 2021 | Active |
| ISLAND DIRTWORX INC.Marathon, FL · Active | Marathon, FL | Corporation | Apr 27, 2021 | Active |
| 2-N-JOY, LLC.Marathon, FL · Active | Marathon, FL | LLC | Apr 26, 2021 | Active |
| JAMES FINISH & PAINTING LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 20, 2021 | Active |
| CASA SWEET CAROLINE LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 15, 2021 | Active |
| FL. KEYS PROPERTY MANAGEMENT SERVICES LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 9, 2021 | Active |
| KEYSCATIONS, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 9, 2021 | Active |
| THE MOON GROUP COMPANYMarathon, FL · Active | Marathon, FL | Corporation | Apr 9, 2021 | Active |
| KEYS DISEASE ENTERPRISES LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 8, 2021 | Active |
| OUR BANANAS, LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 6, 2021 | Active |
| TWO CONCHS 29 LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 6, 2021 | Active |
| DOLFAN 5TH AVE MARATHON LLCMarathon, FL · Active | Marathon, FL | LLC | Apr 5, 2021 | Active |
| MARATHON PREMIER SAILFISH TOURNAMENT INCMarathon, FL · Active | Marathon, FL | Nonprofit | Apr 5, 2021 | Active |
| ALL KEYS CONSULTING, INC.Marathon, FL · Inactive | Marathon, FL | Corporation | Mar 25, 2021 | Inactive |
| ISLAND TOWN EVENTS LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 25, 2021 | Active |
| CHAMPAGNE EQUESTRIS LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 24, 2021 | Active |
| SALTY LIGHTS, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 19, 2021 | Active |
| SELEVEL GENERAL CONTRACTING, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 19, 2021 | Active |
| SELEVEL HOLDINGS, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 19, 2021 | Active |
| TENTMAKER BROS, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 19, 2021 | Active |
| ALLEN INTERNATIONAL L.L.C.Marathon, FL · Active | Marathon, FL | LLC | Mar 16, 2021 | Active |
| 1509 HARBOR DRIVE 1 INCMarathon, FL · Inactive | Marathon, FL | Corporation | Mar 10, 2021 | Inactive |
| 1509 HARBOR DRIVE 3 INCMarathon, FL · Active | Marathon, FL | Corporation | Mar 10, 2021 | Active |
| 2345 SOMBRERO BLVD LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 8, 2021 | Active |
| KOKINA KOVE, LLCMarathon, FL · Active | Marathon, FL | LLC | Mar 5, 2021 | Active |