Dive sites
Koh Chang
Koh Chang, Thailand is a tropical diving destination in the Gulf of Thailand, known for colorful coral reefs, rocky pinnacles, warm water and relaxed island life. It is a good choice for divers looking for accessible reef diving combined with beaches, waterfalls and island exploration.
Where it is
Koh Chang is located in eastern Thailand, near the Cambodian border. The surrounding waters include several dive sites around Koh Chang and nearby islands.
Marine life to see
Koh Chang offers a variety of tropical reef and coastal marine life.
You may encounter:
- Barracuda
- Grouper
- Sweetlips
- Butterflyfish
- Angelfish
- Pufferfish
- Moray eels
- Turtles
- Octopus
- Nudibranchs
- Shrimps and crabs
- Large schools of reef fish
The area is also known for colorful soft corals and hard coral reefs.
Macro or landscape?
Both, but Koh Chang is particularly enjoyable for reef landscape and marine-life photography.
Landscape / Wide Angle
Good for:
- Colorful coral reefs
- Rocky pinnacles
- Soft corals
- Schools of reef fish
- Reef walls
- Underwater rock formations
Macro
Macro photographers can look for:
- Nudibranchs
- Shrimp
- Crabs
- Moray eels
- Small reef fish
- Blennies and gobies
Recommendation: A wide-angle or standard zoom setup is a good choice for your first trip, while macro is rewarding for divers who enjoy searching the reef for smaller creatures.
How many dives you need
Koh Chang is generally suitable for newer divers, with a range of sites for different experience levels.
Beginner — 5–10 logged dives
A good destination to build confidence with buoyancy, navigation and boat diving.
Intermediate — 20–30+ dives
More experience allows you to explore a wider range of sites and become more comfortable with changing conditions.
Experienced — 50+ dives
Ideal for divers who want to focus on photography, marine life spotting and exploring more sites around the region.
Tip: If you have not dived for a long time, complete a refresher or Reactivate dive before your trip.
On land
Koh Chang is an excellent destination for combining diving with outdoor activities.
Local Market
After diving, take a walk around the local market and explore Koh Chang’s relaxed island atmosphere. Try local Thai food, snacks and fresh seafood while experiencing the everyday side of the island.
Island Life
Spend your surface time exploring local shops, food stalls and the casual atmosphere around Koh Chang.
Why Dive Koh Chang?
Koh Chang offers relaxed tropical diving with colorful coral reefs, abundant reef fish and easy access to beaches, waterfalls and jungle landscapes.
Best for: Reef diving, colorful corals, tropical fish, macro photography, beginners and combining diving with island activities.
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