Waterfront condos for sale in Key Colony are some of the most popular choices for real estate in the Florida Keys. While the city is quite small, the market is largely made up of waterfront properties in Key Colony. Communities such as Casa Clara and Sea Isle Condominium offer stunning waterfront and water view condos in Key Colony, with spectacular amenities and vistas. From bayfront condos to oceanfront condo units for sale in Key Colony, the market has what any buyer is looking for. Browse the Florida Keys MLS for all listings of condos.