Fisher Island is a census-designated place of metropolitan Miami, Florida, located on a barrier island of the same name. As of the 2010 census, Fisher Island had the highest per capita income of any place in the United States. The CDP had only 226 households and a total population of 132 persons. A relatively small part of the northern part of the island is incorporated as a part of the city of Miami Beach.

Fishers Island, about long and wide, is located at the eastern end of Long Island Sound, off the southeastern coast of Connecticut across Fishers Island Sound. It is about from the tip of Long Island at Orient Point, from both Napatree Point at the southwestern tip of Rhode Island and Groton Long Point in Connecticut, and about southeast of New London, Connecticut, from which it is accessible by plane or regular ferry service.