Bradenton Beach is a city on Anna Maria Island in Manatee County, Florida, United States. The population was 1,482 at the 2000 census, and 1,561 in the 2005 U.S Census estimates. It is part of the Bradenton-Sarasota-Venice, Florida Metropolitan Statistical Area. The city occupies the southern part of Anna Maria Island and is one of three municipalities on the island.