Crystal River Refuge Manatee Tour Snorkeling Crystal River FL 8.60    153 S Select
Fort Jefferson (Dry Tortugas Nat. Park) Snorkeling Fort Jefferson FL 8.33    96 S Select
Hanauma Bay Nature Preserve Snorkeling Honolulu HI 6.00    117 S Select
Molokini Crater Snorkeling Maui HI 7.20    87 P Select