2025Diving in Koh Samui|trip.com

Koh Samui is not only famous for its clear and transparent waters and white and fine sand beaches, but also for its wide variety of marine life and colorful coral reef ecology, making it a diving paradise dreamed of by diving enthusiasts all over the world.

Unique Creatures and Landscapes: The underwater world of Koh Samui is colorful, from huge underwater mountains to towering underwater spires to colorful corals and coral reefs. There are many kinds of marine life, from huge whale sharks, magnificent manta rays, to delicate nudibranchs. Here, divers can observe various marine life up close and experience the fun of dancing with them.

Excellent Visibility:The waters around Koh Samui are clear, with visibility usually between 15-25 metres. March to September is the ideal time to visit Koh Samui, as there is less rain and visibility is high during this period.

Comfortable Air and Water Temperature:Koh Samui has a pleasant climate. The water temperature can reach up to 30 degrees Celsius from August to September, and the lowest water temperature is 18-21 degrees Celsius from January to February. You can dive all year round.

Beginner Difficulty: The diving spots in Koh Samui are about 4-30 meters deep,ranging from shallow snorkeling to deep diving. The water current is weak and there is no pressure even in the top current.

Koh Samui is an ideal destination for diving enthusiasts with its rich marine life and landscape, excellent visibility and suitable temperature. Here, divers will experience unprecedented diving fun and leave unforgettable diving memories.