Snorkel the Funafuti Conservation Area

Oceanic island off Borneo ranked among the best dive sites on Earth — turtles, barracuda tornadoes, reef sharks.

Turtle-rich reefs off Moheli.

Dazzling turquoise South Pacific lagoon.

Vast, remote Pacific lagoon.

Coral heads and reef fish in a lagoon 40 km across, with WWII wrecks off the atoll edge.

Mushroom-shaped jungle islets, UNESCO-listed.

Shark dives in a vast lagoon.

Granite-boulder islands in the Andaman Sea with some of Thailand’s clearest water and best coral.