Dazzling turquoise South Pacific lagoon.
Uninhabited island with crystal water.
The planet's richest coral reefs.
Granite-boulder islands in the Andaman Sea with some of Thailand’s clearest water and best coral.
Oceanic island off Borneo ranked among the best dive sites on Earth — turtles, barracuda tornadoes, reef sharks.
Swim from Alcatraz Island to San Francisco, a challenging 2.4 km open-water swim in cold currents
Mushroom-shaped jungle islets, UNESCO-listed.
Snorkel where the equator crosses.
Some of the world's richest reef waters.
Traditional island of stone money and reefs.
Untouched Red Sea reefs and islands.
Praslin’s granite-boulder beach, often ranked among the world’s best.
The classic aerial view of ring reefs and lagoons scattered across the Indian Ocean.
World-class reef diving off Roatan.
Rope bridge swaying 30 m above the sea to a tiny fishing island.
Paddle a protected chain of uninhabited cays over impossibly clear water.
Current-swept island reefs at the mouth of the Red Sea.
Infobox
