Koh Tao’s top dive school since 1991. From first-time bubblemakers to Instructor Training Courses, plus eco, tech diving & an excellent retail store. Expert guides take you to legendary sites — Sail Rock, Chumphon & Southwest Pinnacle. It's no wonder Big Blue is Koh Tao's #1 one-stop dive shop
Exclusive discounts — only with your Tourist card
Enjoy 5% off on all diving courses, from Bubblemaker to Rescue Diver at Koh Tao's top dive school.
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Big Blue Diving
On Tourist since 2026