Marathon Marina & Boat Yard
Full-service marina · Boot Key Harbor / Florida Bay
100 Harbor Dr, Marathon, Florida
Overview
Marathon Marina & Boat Yard is a full-service marina in Marathon, Florida, with wet slips for vessels up to 60 feet. Positioned on Boot Key Harbor / Florida Bay with access to Ocean, Gulf, Bay, Marathon Marina & Boat Yard serves boaters working Marathon to Key West and the broader Marathon cruising area. The marina is configured for long-stay liveaboards, snowbird transients, and seasonal monthly tenants, with shore power, fresh water, and dockmaster support on site.
Boot Key Harbor's mooring field is one of the country's largest organized liveaboard mooring fields — Marathon is the Keys' most active long-stay community.
Location & waterway access
Waterway
Boot Key Harbor / Florida Bay
Access
Ocean, Gulf, Bay
Typical water depth
7–12 ft MLW
Hurricane protection
Standard exposure
Dockage options
Includes wet slips, transient and monthly dockage, and liveaboard-approved slips.
Boat compatibility
Maximum LOA accommodated: 60 ft. Confirm beam, draft, and air clearance when reserving.
Amenities
- Fuel Dock
- Pump-Out
- Shore Power
- Wi-Fi
- Showers & Laundry
- Ship's Store
- Restaurant
Shore power & utilities
Transient, monthly & liveaboard
Transient docking
✓ Available
Overnight and weekly slips for cruising boaters.
Monthly slips
✓ Available
Monthly dockage typically $25 – $50 / ft / month.
Liveaboard slips
✓ Available
Year-round liveaboard with marina approval.
Pricing guidance
- Monthly slip estimate
- $25 – $50 / ft / month
- Transient estimate
- $25 – $50 (transient nightly rates vary by season)
- Seasonality
- Peak winter liveaboard season December–April.
Pricing may vary by season, boat length, and electric metering. Contact marina for exact availability and pricing.
See the full wet slip pricing guide, monthly slip costs, and transient slip pricing.
Local boating context
Nearby boating destinations
- • Sombrero Reef
- • Pigeon Key
- • Bahia Honda
Popular cruising routes
- • Marathon to Key West
- • Bahia Honda day trip
- • Bahamas via Cay Sal Bank
Nearby fuel stops
- • Marathon Marina fuel
- • Faro Blanco fuel
Seasonality
Peak winter liveaboard season December–April.