And this $65 swim with manatees tour is one of the top-rated activities in the U.S.

Private tours are also available from $575.

The tour ranked No.

Swimming with the manatees in Florida

Courtesy of Explorida

Manatees were placed on the endangered species list in 1966.

Taking a photo while swimming with the manatees in Florida

Courtesy of Explorida

Swimming with the manatees in Florida

Courtesy of Explorida

The Explorida boat used for swimming with the manatees in Florida

Courtesy of Explorida

Taking a photo while swimming with the manatees in Florida

Courtesy of Explorida