A full-day speed-boat snorkel trip from Khao Lak to the Surin Islands: three reef stops, a beach lunch on North Surin Island, and a 1 hour 40 minute crossing of the Andaman Sea. Ideal for snorkelers with moderate fitness and a taste for clear-water reefs.
More ways to explore the area's outdoor wonders
You step onto the pier before sunrise; the speed boat waits like a promise, engines ticking while the Andaman Sea stretches a polished blue ahead. The ride to the Surin Islands cuts northwest for about 1 hour 40 minutes, each wave pushing the hull forward and revealing a coastline that changes from sleepy fishing villages to steep, forested isles.
Difficulty
moderate
Duration
7–10 hours
Fitness Level
Moderate; comfortable swimming and mobility on and off a fast boat are required
Wildlife
History
The islands lie within Mu Ko Surin National Park and have long been part of the maritime landscape used by local Moken communities and coastal Thai fishermen.
Conservation
The reefs are protected within a national park—use mooring buoys, avoid touching coral and use reef-safe sunscreen to reduce impact.
Reserve your spot on the Snorkelling Tour to Surin Island from Khao Lak by Speed Boat 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 sunscreen and reapply after swims to protect corals and yourself from strong equatorial sun.
Protect against seasickness
Take motion-sickness meds at least one hour before departure and sit mid-boat where movement is gentlest.
Conserve energy between swims
Rest during the island lunch stop—you'll have three 40-minute snorkel sessions over the day.
Secure a quick-dry bag
Keep valuables and a dry change of clothes in a waterproof pouch while on the boat.
Mask, snorkel and fins
Provided on most tours but bringing your own ensures fit and comfort in the water.
Reef-safe sunscreen
Protects coral and prevents rapid sunburn on reflective sea days.
summer
Light long-sleeve rashguard
Provides sun protection and a layer against wind on the boat.
summer
Waterproof dry bag
Keeps phone, wallet and spare clothes dry during transfers and swims.