East Asia
Amami Ōshima
Japan
Pufferfish sculpt two-metre geometric nests into the sand at 25 m

Region
16 curated dive destinations across Japan, South Korea and Taiwan in East Asia. Conditions peak around Apr, May, Jun and Oct.
Green Island · photo Yuriy Kosygin
Common encountersReef fish swarmsNudibranchsSea turtlesMacro crittersOctopus & cuttlefish
East Asia
Japan
Pufferfish sculpt two-metre geometric nests into the sand at 25 m
Kuroshio-fed reefs with resident green turtles off Taiwan's volcanic isle
Reef manta rays circle shallow cleaning stations in Kabira Bay most of the year.
Japan's macro heartland on a sand slope three hours from Tokyo
Protected soft coral forests on volcanic rock off southern Jeju
Shore-entry coral slopes at the warm southern tip of Taiwan
Kerama Blue visibility over coral gardens with turtles on nearly every dive.
The world's northernmost table coral reef, growing at 33° north
Kuroshio-swept volcanic drop-offs with 30 m visibility and big fish
Mainland Japan's only reliable schooling hammerhead dive
Limestone arches and chambers with light shafts through the roof
Wild dolphin encounters in Bonin Blue water 1,000 km from the nearest city.
East Asia
Japan's most-dived site, a limestone cavern lit blue from below
Korea's clearest water over black volcanic arches and caves
Hundreds of resident green turtles around a six-kilometre island
Winter hammerhead schools stack over pinnacles beside the disputed sunken Monument.