99900 Overseas Highway, Key Largo, FL 33037
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Marathon – The Heart of the Florida Keys

Marathon, Florida is considered the heart of the Florida Keys because of its location in the middle of the Florida Keys island chain. The area of Marathon consists of many Keys or islands starting with Long Key, the Conch Keys, Duck Key, Grassy Key, Boot Key, Crawl Key and Pigeon Key. Marathon is a 10-mile-long, family-oriented island community rooted in a heritage of fishing, and reflects the old Keys’ lifestyle that residents, snowbirds and visitors enjoy so much. Marathon is separated from the Lower Florida Keys on the south end by the Seven Mile Bridge. This bridge is famous, has been featured in many motion pictures.

We are proud to host the Keys #1 Original Seafood Festival every March in Marathon where people come from around the world to taste fresh seafood and hear live music for 2 full days! We also are proud hosts of a brand new event called ConchtoberFest that alone is worth making the trip to the Islands of Marathon. Marathon airport busily accommodates general and commercial aviation, to easily reach what locals call "The heart of the Keys."

Undeniably, Marathon’s natural environment has activities for everyone, of any age or interest. Spectacular sailing, fishing, diving, snorkeling and SNUBA appeal to all, as do the island’s impeccably maintained Sombrero Beach, and a host of eco-attractions and marine-based environmental programs such as dolphin and turtle encounters. Sombrero Reef, a federally protected section of the United States' only living coral barrier reef, lies just a few miles offshore. Beyond it are the deep blue waters of the Florida Straits, which host world-class wreck diving on artificial reefs.

To an angler's delight, the waters offshore teem with billfish and tuna in the winter and dolphin fish in the summer. On the north side of the island lie the calm waters of the Gulf of Mexico, Florida Bay and the Keys backcountry.

Many of the island's marine activities are situated nearby Boot Key Harbor, a peaceful tropical cove in the center of the island. The harbor is famous for its sunset views and is home to the City Marina, which administers a 226-ball mooring field and a large anchoring area.