Jeju Do

Jeju-do is a volcanic island province in the Korea Strait, offering varied coastal and inshore diving around Jeju Island. The region is known for lava caves, volcanic reefs, and clear, temperate seas with generally calm surface conditions. Key dive areas include coastal sites near Seogwipo and Jeju City, with opportunities to explore lava tubes, shallow reefs, and occasional wall drops. Marine life features a mix of reef fish, eels, and seasonal pelagic activity, with best access from local dive centers on the island. The regional character suits recreational divers seeking accessible shore and boat dives with straightforward drift and wall experiences.