Koh Chang & Koh Rang

Thailand's eastern frontier with the massive HTMS Chang wreck, pristine Koh Rang Marine Park, and uncrowded reef sites.

14 dive sites Best season: Nov–May 1 Wreck 2 Pinnacles 8 Reefs 1 Snorkeling 2 Island reefs

HTMS Chang

Advanced Signature Peak Now

Thailand's Biggest Wreck

3–32m

wreck

Batfish Barracuda Groupers Lionfish Scorpionfish

Hin Luk Bat

Beginner Peak Now

Koh Chang's Pinnacle

3–22m

pinnacle

Barracuda Snappers Nudibranchs Anemonefish

Hin Rap

Beginner Peak Now

Flat Rock Reef

3–18m

reef

Reef Fish Nudibranchs Moray Eels

Hin Nam Tai / Blueberry Hill

Beginner Peak Now

Blueberry Hill

5–18m

reef

Blue-spotted Stingrays Groupers Nudibranchs Reef Fish

Hin Rua Tek / Banana Rock

Beginner Peak Now

Banana Shaped Rock

5–18m

reef

Reef Fish Nudibranchs Porcupinefish

Saam Sao Hin

Beginner Peak Now

Three Stone Pillars

5–18m

reef

Groupers Snappers Nudibranchs

Koh Rang Pinnacle / Hin Daeng Ga

Advanced Signature

Koh Chang's Best Dive

15–30m

pinnacle

Barracuda Trevally Groupers Soft Corals Sea Fans

Koh Yak & Koh Laun

Beginner Peak Now

Easy Island Reefs

5–12m

reef

Anemonefish Parrotfish Reef Fish

Koh Thain West

Beginner Peak Now

West Side Reef

8–18m

reef

Groupers Snappers Nudibranchs Moray Eels

Kuak Hin Ma / Three Finger Reef

Beginner Peak Now

Three Finger Formation

10–16m

reef

Snappers Fusiliers Nudibranchs

Koh Tun

Beginner Peak Now

Quiet Island Reef

8–18m

reef

Reef Fish Groupers Nudibranchs

Koh Wai

Beginner Peak Now

Paradise Island Snorkeling

3–10m

snorkeling

Reef Fish Anemonefish Starfish

Koh Rang

Beginner

Marine Park Jewel

5–20m

island reef

Sea Turtles Reef Fish Barracuda Nudibranchs

Koh Klum

Beginner

Outer Reef Explorer

5–18m

island reef

Reef Fish Groupers Anemonefish

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