Rangiroa 

Rangiroa, in the Tuamotu Archipelago is one of the world's largest atolls offering white coral beaches with lots of sunshine. It is only an hour flight from Tahiti. Its turquoise blue lagoon is 42 miles long and 16 miles wide. The waters of Rangiroa are a scuba divers dream. Its clear waters reveal coral bouquets surrounded by a myriad of vibrantly painted tropical fish. Whether you are interested in shallow, ocean or drift dives, the underwater scenery is guaranteed to be some of the most spectacular you have ever seen.