Bradenton Beach is a city on Anna Maria Island in Manatee County, Florida, United States. The population was 908 at the 2020 census, down from 1,171 in 2010. It is part of the North Port-Bradenton-Sarasota, Florida Metropolitan Statistical Area. The city occupies the southern part of Anna Maria Island and is one of three municipalities on the island. The others are Holmes Beach in the center and Anna Maria in the north.