Located in the heart of the Middle Keys, half way between Key Largo and Key West, between Mile Markers (MM 60) and Mile Marker 47 (MM 47). Marathon is the second largest city in the Florida Keys and has a low to medium non-towered international airport for private jets and charter services.
The Middle Keys have 13 islands and are known for their beaches, coral reefs and wide variety of residential neighborhoods. The islands of Marathon are Boot Key, Knights Key, Hog Key, Vaca Key, Stirrup Key, Crawl and Little Crawl Key, East and West Sisters Island, Deer Key and Fat Deer Key, Long Pine Key and Grassy Key. The island has a Home Depot, Publix, Winn Dixie, Kmart, West Marine, Marriott, Hyatt, and the new, luxury Isla Bella Beach Resort at Knights Key.