Hometaurus has 0 homes for sale in Key Biscayne FL. Search Key Biscayne real estate, listing photos, check sales history, and use our real estate search to find your dream home. The Hometaurus marketplace has a large inventory for homes for sale and single family for sale in Key Biscayne. If you wish to sell or buy in Key Biscayne, contact us or send us an email for a free consultation.