Koh Samui's Scuba Diving

Koh Samui is one of the most popular islands in Thailand. It is located in the Chumphon archipelago and washed by the waters of the Gulf of Thailand. It also includes Ang Thong Marine Park, Koh Phangan and Koh Tao Islands. Magnificent nature with snow-white beaches and calm bays create a feeling of a true paradise. Koh Samui attracts divers from all over the world.
The underwater landscape stands out with its colourful corals, reefs, underwater peaks and rocks. In Ang Tong Marine Park you can touch the vibrant and wild underwater world. Among the diversity of marine life, coming across a whale and zebra shark is highly probable. Extreme night dives are also available here.

Dive Shops in


The climate on Koh Samui Island invites to all-year-round dives. The exclusion is a period of short-term rains from June to December. The most comfortable months are the middle of December to March when the air temperature is steady at +26-28 ˚C, and the water temperature is +28 ˚C. The hot season lasts from March to May (the air temperature is +29 ˚C, and the water temperature is +28-29 ˚C).

Dive Spots near Koh Samui

Peaks and rocks are the main dive spots of Samui. Sail Rock is considered the best place for dives. It is a 30-meter long peak where you can come across whale sharks. A popular dive site of Koh Yippon is located on the territory of Ang Tong Marine Park.