Crystal River Refuge Manatee Tour Snorkeling Crystal River FL 8.60    164 S Select
Fort Jefferson (Dry Tortugas Nat. Park) Snorkeling Fort Jefferson FL 8.33    102 S Select
Hanauma Bay Nature Preserve Snorkeling Honolulu HI 6.00    130 S Select
Molokini Crater Snorkeling Maui HI 7.20    95 P Select