Some of the best housing options in Miami-Dade County can be found in the Key Biscayne Real Estate market with a variety of single family homes for sale priced between $2,150,000 and as high as $29,500,000 that range in size from 1,718 to 10,166 square feet. Options for Condos in Key Biscayne range from $459,000 for a one-bedroom one-bathroom 895 square foot apartment to five-bedroom, six-bathroom luxury condominiums that sell for up to $18 Million.Whether you are relocating to Key Biscayne from another state, or you are upsizing or downsizing, whichever of the many Homes For sale in Key Biscayne you choose, the professional Realtors® at ZFC Real Estate can guide you through the home buying process.