Tuamotus, French Polynesia
Cook Islands
These coral atolls boast some of the most renowned snorkeling and diving on earth. Make anchor at Rangiroa, whose sheltered lagoon is home to dolphins, rays, and myriad colorful tropical fish. Nearby Fakarava is home to black sand beaches, a black pearl farm, and a variety of rare birds and plants.
The Tuamotu Archipelago awaits you next. Comprised of very low-lying atolls, none of the chain's many islets rise more than ten feet above sea level. Visit Rangiroa, home to the second-largest lagoon in the world. It is noted for its fantastic diving - you may see rays, sharks, dolphins, and myriad small reef fish.