High Quality Content by WIKIPEDIA articles! Belle Isle is an artificial island and neighborhood of Miami Beach, Florida, United States. It is the easternmost of the Venetian Islands, a chain of artificial islands in Biscayne Bay in the cities of Miami and Miami Beach. It is home to apartment buildings, a portion of the Venetian Causeway, a city of Miami Beach park, and a hotel. It is between Rivo Alto Island and the main barrier island of Miami Beach.