San Marco Island is one of the exclusive Venetian Islands located in the city of Miami Beach, Florida. This upscale residential community is known for its luxurious homes, stunning waterfront views, and serene atmosphere, making it a highly desirable place to live. San Marco Island is part of the Venetian Islands, a chain of artificial islands connected by the Venetian Causeway, which spans Biscayne Bay between Miami and Miami Beach. This location provides residents with easy access to both the vibrant city life of Miami and the beautiful beaches and attractions of Miami Beach. Click on a listing to view the property details, photos and agent comments. If you would like to change or expand your search criteria, go back to the main Miami Beach FL Real Estate page, or try using our Advanced Search.