| Business | Phone |
| Bonefish Marina Condominium 97 Coco Plum Dr, Marathon 33050 | (305) 743-7015 |
| Burdines Waterfront 1200 Oceanview Ave, Marathon 33050 | (305) 743-5317 |
| Captain Hook's Marina & Dive 11833 Overseas Hwy, Marathon 33050 | (305) 743-2444 |
| Coco Plum Marina Boat Leasing 66 Coco Plum Dr, Marathon 33050 | (305) 743-3959 |
| Duck Key Marina 1149 Greenbriar Rd, Marathon 33050 | (305) 289-0161 |
| Grassy Key Marina Of Marathon 59073 Overseas Hwy, Marathon 33050 | (305) 743-5648 |
| Marathon City Marina 800 35th Street Ocean, Marathon 33050 | (305) 289-8877 |
| Marathon Marina & Boatyard 1021 11th St Ocean, Marathon 33050 | (305) 743-6575 |
| Marina Villas At Hawk's C 6100 Hawys Cay Blvd, Marathon 33050 | (305) 289-8264 |
| Sombrero Marina & Dockside Lng 35 Sombrero Blvd, Marathon 33050 | (305) 743-0000 |
| Marina Villas At Hawk's C 6100 Hawys Cay Blvd, Marathon 33050 | (305) 289-8264 |
| Harbour Point Marine 4681 Overseas Hwy, Marathon 33050 | (305) 289-0505 |