Crystal River Refuge Manatee Tour Snorkeling Crystal River FL 8.60    72 S Select
Fort Jefferson (Dry Tortugas Nat. Park) Snorkeling Fort Jefferson FL 8.33    49 S Select
Hanauma Bay Nature Preserve Snorkeling Honolulu HI 6.00    40 S Select
Molokini Crater Snorkeling Maui HI 7.20    48 P Select