Maintaining the simple, relaxed lifestyle of the old-Keys, Marathon is a quaint tropical town located in the middle of the island chain. This stunning family-oriented setting, offers the perfect place to experience laid back living. Hike through Crane Point. Visit the pristine Sombrero Beach. Swim with a Bottlenose dolphin. Dive Sombrero Reef. Catch a sunset at Boot Key Harbor. The possibilities at Marathon are endless!