Hop a speedboat from Koh Samui for a 6–7 hour snorkeling and sightseeing loop to Koh Taen and Koh Madsum (Pig Island). Clear reefs, shallow swims, and a laid-back beach with roaming pigs make this an easy, family-friendly day on the Gulf of Thailand.
More ways to explore the area's outdoor wonders
A speedboat lifts you off the bright rim of Koh Samui and the Gulf opens — warm water pushing at the hull, islands stepping out of the haze like low, green stamps. Within an hour the engine throttles down at Koh Taen (Ko Taen): sand-edged reefs seam the shoreline and the sea begs you into a world of coral fingers and darting fish. Later, Koh Madsum (Pig Island) greets you with a wide white beach and semi-wild pigs that weave between sunbathers and palm shade.
Difficulty
easy
Duration
6–7 hours
Fitness Level
Suitable for people with basic fitness; requires short swims and getting on/off a speedboat and beach entries.
Wildlife
History
Koh Taen remains a small fishing community historically tied to Samui’s ring of island fisheries; Koh Madsum’s recent rise to fame comes from resident pigs kept by local families.
Conservation
Coral reefs here are sensitive — use reef-safe sunscreen, avoid standing on coral, and support operators that follow no-feeding and waste-reduction practices.
Reserve your spot on the 2 Islands Sightseeing and Snorkeling Trip From Koh Samui today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Bring reef-safe sunscreen
Use mineral or labeled reef-safe sunscreen to protect coral and avoid skin irritation while snorkeling.
Prepare for seasickness
If you’re prone to motion sickness, take medication before boarding and choose a mid-morning departure for calmer conditions.
Pack cash and ID
Small vendors and lunch gratuities often accept only cash; carry ID for hotel pickup verification.
Respect wildlife and pigs
Observe pigs from a distance, don’t feed them human snacks, and follow guides’ instructions to minimize disturbance.
Mask & snorkel
A properly fitted mask improves comfort and lets you focus on reef life instead of clearing water.
summer
Reef-safe sunscreen
Protects your skin and the coral ecosystem during repetitive sun exposure on deck and in the water.
summer
Water shoes or reef shoes
Useful for rocky or coral-strewn entry points and for beach walking on Koh Madsum.
summer
Small dry bag
Keeps phone, wallet, and a spare shirt dry during boat transfers and while snorkeling.