Key Colony Beach (KCB) is just off the City of Marathon but they incorporated and are their own city. They have their own police department, city hall, mailing zip code, rules and regulations. They have a walking path throughout the entire island which is great to see the beautiful homes, condos and amenities throughout.
Properties in KCB range from condos, duplexes, half duplexes and single family homes. Many of these are located on canals with very easy ocean access out either of the two channels. Also from KCB you have very easy access to the bay side under the Vaca Cut bridge. Only downfall is if you have a large sportfisher or a tuna tower on your boat you will not fit and either have to travel south to the 7 Mile bridge (closest) or North to Channel 5 bridge.
Restaurants in KCB: Sparky’s Landing, Leigh Ann’s Coffee House, Key Colony Inn and Cabana Breezes. KCB also offers a par 3 golf course that is great when you want to practice chipping or putting!