About 15th Street Marina Marathon
15th Street Marina in Marathon, located in the Florida Keys, offers a convenient and scenic marina experience. Situated on the ocean side, just south of Boot Key Harbour and on 15th Street in Marathon, this marina features 28 slips for yachts and sailboats up to 45 feet in length. The marina provides bridges for easy access to the harbour, along with dock space for private commercial fishermen. Some of the local seafood products available at the marina include Florida spiny lobster, stone crab, and Ballyhoo. For transient or long-term docking inquiries, please contact the marina directly at (305) 393-0383. Marathon, FL | N 24° 42.377' / W 081° 06.484'


Facilities
COORDINATES
24.70708 N, -81.10748 E
Port Information
Telephone
Berth Sizes
< 10m
Manoeuvrability
Fair
Channel Marking
Fair
Port of Entry
No
Overseas Visitor Berths
Yes
Dock Type
Floating
Tidal Flow
Negligible
Active Winter
Yes
Weather Forecast
Thu
5AM - 9AM
19 February 2026
- SE 8–10 knots.
- 23°C
- SE 0.4m at 3s period
- UV Index: 0 - Low
- Sunny
Thu
9AM - 1PM
19 February 2026
- SE 8–10 knots.
- 23°C
- SE 0.4m at 3s period
- UV Index: 8 - Very High
- Sunny
Thu
1PM - 5PM
19 February 2026
- SE 8–10 knots.
- 23°C
- SE 0.4m at 3s period
- UV Index: 8 - Very High
- Sunny