The waters are populated by sharks, including the sandbar shark, groupers, lobsters and varieties of yellow and pink coral.
From the en.wikipedia.org
The sandbar shark, Carcharhinus plumbeus, is one of the largest coastal sharks in the world and can reach lengths of eight feet and weigh as much as 200 pounds.
From the sciencedaily.com
Rogers was just past the second sandbar, about 50 to 60 yards offshore, when the shark bit him.