1- Dean’s Blue Hole, Long Island, Bahamas
2- Buck Island, St. Croix, USVI
3- Crystal River, Florida
4- Rockhouse, Negril, Jamaica
5- Pigeon Cay, Honduras
6- Grand Cayman
7- Hol Chan Marine Reserve, Belize
8- Bimini Islands, Bahamas
9- Lover’s Cove, Catalina Island, California
10- Papalaua Wayside Park, Maui, Hawaii
According to CNN.com/Travel