15th Street Marina Marathon (at Boot Key Harbor)

The 15th Street Marina at Boot Key Harbor in Marathon is one of the most popular anchorages in the Florida Keys, consistently drawing cruisers and liveaboards from across the Americas and beyond. Tucked inside the protected waters of Boot Key Harbor, the marina offers easy access to the Atlantic and Gulf sides, making it a strategic waypoint for offshore passages. Marathon's laid-back vibe, combined with a full range of marine services and proximity to restaurants and provisioning, makes this marina a favorite stop for sailors and powerboaters exploring the Keys island chain.