Meaning
'Turtle Island' in Thai
Global Rank
Certifies more PADI scuba divers annually than almost anywhere on Earth
Top Marine Wildlife
Whale Sharks, Green Turtles, Blacktip Reef Sharks
Famous Offshoot
Koh Nang Yuan (Three islets connected by sandbar)
The Undersea Wonder of Thailand
Covering just 21 square kilometers in the Gulf of Thailand, Koh Tao is the undisputed diving capital of Southeast Asia. With calm, shallow bays, warm 29°C water year-round, over 30 world-class dive sites, and highly competitive course pricing, it is the premier global hub to complete your 3-day PADI or SSI Open Water Diver certification.
Top Dive Sites & Snorkeling
At Chumphon Pinnacle, advanced divers submerge to deep underwater granite monoliths where seasonal Whale Sharks glide peacefully among giant trevallies. At Shark Bay, snorkelers can swim directly from the beach alongside harmless 1.5-meter blacktip reef sharks and giant green sea turtles in shallow coastal waters.
Frequently Asked Questions
How much does an Open Water diving course cost on Koh Tao?
A standard 3-day PADI or SSI certification course typically costs 11,000 to 13,000 THB (~₹26,000 to ₹31,000 INR), often including basic dormitory accommodation.