Immersion
Thailand's second-largest island, framed by jungle-covered mountains. The dive scene focuses on the HTMS Chang wreck and the Koh Rang archipelago.
2026 / 2027 Season — Limited spots · Exclusive diving cruise
Koh Chang
5 days · 4 nights of underwater adventure
Dive the legendary HTMS Chang wreck, explore preserved reefs and experience authentic Thailand with professional French-speaking guides.
I'm interestedPenetrating the HTMS Chang wreck — a 100-metre former US tank-landing ship sunk as an artificial reef.
Wreck diving and rainforest island life.
Famous dive sites
Where we dive in Koh Chang.
- 01HTMS Chang Wreck
- 02Hin Luk Bat
- 03Hin Rap
- 04Koh Rang Pinnacles
Marine life
What you'll meet down there.
- ◊Batfish
- ◊Honeycomb moray
- ◊Stingrays
- ◊Schooling snapper
Ready to dive Koh Chang?
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An intensive 6-month program in Thailand to become a professional diving instructor — from beginner to pro.