Visit mauis famous snorkeling and diving destinations molokini crater and turtle town or coral gardens on a snorkeling catamaran molokini is an extinct volcanic cone and the snorkeling visibility is usually 100 feet or more many different species of marine life live within molokini green sea turtles fish urchins harmless sharks manta rays and coral surrounded by crystal clear water all year around make molokini a must do on your vacation activity list this boat tour is on all tourist