Spend a full day exploring Koh Chang’s coral reefs and the HTMS Chang wreck with guides, gear, and lunch provided. Perfect for snorkelers, freedivers, and anyone who wants to combine easy sea time with comfortable boat access.
More ways to explore the area's outdoor wonders
The sun lifts off the Gulf of Thailand in thin bands of gold as the boat slips away from Koh Chang’s shoreline. Salt and diesel mix with the chatter of guides checking masks and straps; ahead lie shallow reefs and the rusted silhouette of the HTMS Chang, an artificial reef that draws schools of snapper and curious groupers. Waves nudge the hull, calling you into water warm enough to ease the first breath.
Difficulty
easy
Duration
8 hours
Fitness Level
Basic mobility and comfort in the water; swimmers and non‑swimmers can both enjoy the trip
Wildlife
History
Koh Chang and nearby islets have long been fishing and trade stops; the HTMS Chang wreck was intentionally scuttled as an artificial reef to boost marine habitat and dive interest.
Conservation
Koh Rang is a protected marine park—visitors are asked to avoid touching coral, use reef‑safe sunscreen, and follow guide instructions to reduce impact.
Reserve your spot on the Snorkeling Adventure at Koh Chang – Departing from Koh Chang today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef‑safe sunscreen
Use mineral-based, reef-safe sunscreen and reapply after swims to protect coral and avoid fines in marine parks.
Arrive early for calm water
Mornings usually have the best visibility and calmer seas—plan to be ready for boarding at the pickup time.
Secure loose items on deck
Lightweight gear and cameras can blow away on open water—use straps or a dry bag.
Know the entry fee
Koh Rang Marine Park charges an entry fee (about ฿200 for snorkelers); have cash available.
Mask & snorkel
A well‑fitting mask prevents leaks and improves your view of reefs.
summer
Reef‑safe sunscreen
Protects skin and marine life from harmful chemicals.
summer
Light wetsuit or rash guard
Provides sun protection, warmth during longer swims, and guard against abrasion.
Dry bag & waterproof camera
Keeps belongings dry and captures underwater moments without renting equipment.