The second largest atoll in the world, Rangiroa is made up of over 240 tiny islets (or motu) ringed by a string of coral—a layout that, from the air, resembles a giant pearl necklace lying in a bed of blue velvet. The lagoon between all the shallow motu is one of the world’s top diving destinations, renowned for its warm waters, endless visibility, and dramatic passes between the lagoon and the ocean. The diverse marine life includes dolphins, sharks, manta rays, and barracudas. Head underwater to see its varied wonders up close, then visit a pearl farm to learn how the famous Tahitian cultured pearls are cultivated and harvested. Next to Rangiroa, breathtaking Tikehau also part of the Tuamotu Atolls) is famous for its pink sand beaches and thriving marine life. Fishing is the primary way of life, with the island’s 400 residents sharing access to designated “fish parks,” where you can try your hand at catching dinner.