Buying a home in Key Biscayne, Florida does not have to be difficult - Homes.com makes home buying a breeze. With 404 homes for sale in Key Biscayne, Florida, you can search by price, bedrooms, neighborhood, and even by property type. Search Key Biscayne homes for sale, foreclosures, MLS listings, and more. Make an informed decision with Key Biscayne school data, neighborhood information, find Key Biscayne real estate agents, and research home values in Key Biscayne, FL. Homes.com has everything you need but the house keys.