Notice Not affiliated with the Master Mariners Benevolent Association (MMBA) or any successor organization. v.2026.05
General Overview
Facility ⚓ Full Service Marina Est. Slips ~80 Water River Est. Parking ~120 spaces Lot Size Large (150+) Lot Type Surface (Striped) Access Entry/Exit Lanes Confidence High

Large marina with extensive docks, multiple buildings including possible dry stack storage, and a large striped asphalt parking lot with numerous vehicles adjacent to the river inlet.

Aerial view of Boot Key Harbor Marathon City Marina
Atlantic Coast

Boot Key Harbor Marathon City Marina

Monroe County, FL

Boot Key Harbor Marathon City Marina is located in Marathon, Monroe County, Florida, within the Florida Keys, where it sits in a protected harbor along the Gulf Coast, surrounded by the warm, tropical waters of the region. This marina serves recreational boaters and sailors who navigate the Gulf of Mexico's coastal waters, offering access to nearby islands, reefs, and fishing grounds in the southern Florida Keys. It caters to those exploring the unique maritime environment of this area, characterized by its barrier islands and proximity to both the Gulf and Atlantic influences.

Location Monroe County, Monroe County, Florida
Capacity ~80 slips
Coordinates 24.7098, -81.0914

Nearby Marinas in Florida

Marina Parking & Access Control

Marinas typically need to separate slip holder parking from day-visitor parking, trailer areas, launch ramps, and secure dock access points. Modern facilities use barrier gate systems to enforce these zones automatically — allowing permitted vehicles through via transponder or keycard while logging all access events.