Dive· Koh Nang Yuan· Thailand
Green Rock
10° 7.4′ N · 99° 48.6′ E
A maze of swim-throughs, canyons, caverns and caves among huge boulders just northwest of Nang Yuan, the most dramatic topography in the inshore Tao sites.
Practical
Position from OpenStreetMap (Green Rock). Wikipedia: max 28 m, average 16 m, Open Water+, with triggerfish, giant trevally, cobia, stingrays and occasional reef sharks. Crystal Dive: 4–28 m, rated advanced, also with sea snakes, turtles and nudibranchs. Titan triggerfish guard nests here: give them room. Dive-boat moorings only; no anchoring.
Best for
Swim-throughs and caverns for advanced divers