Top Things to Do in Koh Samui

We compared all 107 experiences in Koh Samui so you can choose in minutes: real prices, verified reviews and our editorial picks.

4.6 107 experiences from US$ 2 ✓Free cancellation on most experiences

All tours (21–40 of 107)

Snorkeling & Jet Ski Safari Koh Samui: Pig Island & Hidden Lagoon
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Most bookedLikely to sell out
Snorkeling & Jet Ski Safari Koh Samui: Pig Island & Hidden LagoonRide a Seadoo jet ski for 2.5 hours around Koh Samui's islands, snorkel a coral reef, and beach at Pig Island with guide.★ 4.52 (187)2h 30m✓ Free cancellationfromUS$ 209per group
Private Koh Samui tour: Big Buddha Temple, waterfalls & lunch
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Travelers' pick
Private Koh Samui tour: Big Buddha Temple, waterfalls & lunchPrivate 6-hour Koh Samui sightseeing tour with certified guide, hotel pickup and Thai lunch included: walk up 73 steps to the golden Big Buddha.★ 4.86 (159)6h✓ Free cancellationfromUS$ 98per person
Koh Samui ATV Riding: Mountain Trails, Lunch & Waterfall Swim
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Koh Samui ATV Riding: Mountain Trails, Lunch & Waterfall SwimRide your own ATV across Koh Samui's mountain trails for four hours, including hotel pickup, Thai lunch, and a swim at a hidden waterfall. All skill levels welcome.★ 4.97 (155)4h–5h✓ Free cancellationfromUS$ 144per person
Snorkeling and Kayaking at Angthong Marine Park from Koh Samui
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-10%
Snorkeling and Kayaking at Angthong Marine Park from Koh SamuiSnorkel and kayak around 42 limestone islands in Angthong National Marine Park from Koh Samui, with hotel pickup and lunch provided by an English-speaking guide.★ 4.12 (153)7h–8h✓ Free cancellationfromUS$ 54per person
Koh Tao & Nang Yuan: Snorkel & Viewpoint Small Group
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Travelers' pick
Koh Tao & Nang Yuan: Snorkel & Viewpoint Small GroupSmall-group island tour from Koh Samui with snorkeling at Koh Tao, Nang Yuan viewpoint, Thai lunch, and hotel pickup. Max 16 passengers, 8-hour day.★ 4.86 (152)6h–7h✓ Free cancellationfromUS$ 135per person
Koh Samui: Pig Island & Koh Tan Snorkeling Half Day
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Koh Samui: Pig Island & Koh Tan Snorkeling Half DayHalf-day boat trip from Koh Samui to Pig Island and Koh Tan reef. Snorkeling, beach time with pigs, lunch included, life jackets and gear provided.★ 4.50 (151)4h✓ Free cancellationfromUS$ 54per person
Private 4x4 Off-Road Tour Koh Samui: Secret Buddha Garden
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Private 4x4 Off-Road Tour Koh Samui: Secret Buddha GardenPrivate 4x4 off-road tour of Koh Samui with hotel pickup, visiting Secret Buddha Garden, Namuang Waterfall 2.★ 4.90 (151)6h✓ Free cancellationfromUS$ 130per group
Koh Samui: Koh Tao & Koh Nang Yuan Snorkeling Speed Boat
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Travelers' pick-5%
Koh Samui: Koh Tao & Koh Nang Yuan Snorkeling Speed BoatSpeed boat snorkeling tour from Koh Samui to Koh Tao & Koh Nang Yuan. Includes hotel pickup, Thai lunch, equipment & guide. 9 hours, small groups, morning departure 8:30am.★ 4.52 (136)9h✓ Free cancellationfromUS$ 61per person
Koh Samui to Angthong: Discovery Cruise, Emerald Lake & Beaches
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Travelers' pick
Koh Samui to Angthong: Discovery Cruise, Emerald Lake & BeachesStart your Angthong day trip from Koh Samui with a local guide, cruise past wild limestone islands, swim at quiet beaches, and visit the Green Lagoon. Includes pickup.★ 4.90 (133)10h✓ Free cancellationfromUS$ 150per person
Koh Samui: Island Highlights Tour with Temples & Waterfall
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Best value-5%
Koh Samui: Island Highlights Tour with Temples & WaterfallFeel the spirit of Koh Samui on a 5-hour sightseeing tour: visit Big Buddha, Grandfather & Grandmother Rocks, and cool off at Na Muang Waterfall. Entry fees included.★ 4.65 (130)5h✓ Free cancellationfromUS$ 25per person
Kayaking at Ao Thalane, Krabi: Mangrove paddling with sunset
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Travelers' pick
Kayaking at Ao Thalane, Krabi: Mangrove paddling with sunsetPaddle through Thailand's mangrove forest at Ao Thalane with a local guide, waterproof bag and life jacket included.★ 4.62 (130)4h 30m✓ Free cancellationfromUS$ 37per person
Koh Samui: 4WD Buggy Tour with Waterfall & Mountain Buddha
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Koh Samui: 4WD Buggy Tour with Waterfall & Mountain BuddhaRide your own Z8 buggy through Koh Samui's jungle and mountain tracks. Includes hotel pickup, Thai lunch, waterfall swim, and views from the island's highest point.★ 4.92 (130)4h–5h✓ Free cancellationfromUS$ 275per group
Koh Samui: Coconut Soap Making Demo & Herbal Drink Tasting
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Travelers' pick
Koh Samui: Coconut Soap Making Demo & Herbal Drink TastingFeel the calm of Koh Samui as you watch coconut soap made by hand, sip a Thai herbal drink, and step into local island tradition. Includes accessible entry.★ 4.95 (127)1h 30m✓ Instant confirmationfromUS$ 2.29per group
Koh Tao Snorkeling Tour from Koh Samui with Small Group
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★ Top ratedLikely to sell out
Koh Tao Snorkeling Tour from Koh Samui with Small GroupSwim vibrant reefs on a Koh Tao snorkeling tour from Koh Samui. Three sites, homemade Thai lunch, small group, and pickup included for a relaxed day at sea.★ 4.98 (122)8h✓ Free cancellationfromUS$ 182per person
Sail Rock diving from Koh Samui: Certified divers only
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Sail Rock diving from Koh Samui: Certified divers onlyScuba diving at Sail Rock from Koh Samui with hotel pickup, guide, lunch and all gear: boat leaves at 8am, back by 2pm, whale sharks sighted regularly.★ 4.87 (113)7h✓ Free cancellationfromUS$ 170per person
Koh Samui Airport Transfer: Private Vehicle & Professional Driver
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Travelers' pick
Koh Samui Airport Transfer: Private Vehicle & Professional DriverPrivate airport transfer in Koh Samui with meet-and-greet, luggage assistance, and air-conditioned vehicle. Airport, hotel, and pier pickups. All fees included.★ 4.75 (112)✓ Free cancellationfromUS$ 15.29per group
Koh Samui: Elephant Kingdom Skywalk Tour & Ethical Sanctuary
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Travelers' pick
Koh Samui: Elephant Kingdom Skywalk Tour & Ethical SanctuaryWatch elephants roam from the Skywalk at Samui Elephant Kingdom, learn their stories with a local guide, and enjoy hotel pickup for a relaxed, responsible day out.★ 4.90 (111)3h✓ Free cancellationfromUS$ 92per person
Koh Samui Footgolf & Botanical Gardens: 18-hole course
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Koh Samui Footgolf & Botanical Gardens: 18-hole coursePlay 18 holes of footgolf on Asia's first course woven through a tropical garden with 350+ plant species, hotel pickup included, 2–3 hours total.★ 4.96 (111)2h–3h✓ Free cancellationfromUS$ 28per person
Koh Samui Cooking Class & Market Tour with Pickup
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Travelers' pick
Koh Samui Cooking Class & Market Tour with PickupSmall-group cooking class in Bophut with market tour, pickup at 9am or 4pm, and lunch or dinner in a garden. Max 6 people. Taught by local chef.★ 4.85 (110)4h✓ Free cancellationfromUS$ 80per person
Koh Samui Jeep Tour: Waterfalls, Jungle & Island Landmarks
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Koh Samui Jeep Tour: Waterfalls, Jungle & Island LandmarksSix-hour 4x4 jeep tour of Koh Samui with hotel pickup, lunch and stops at Na Muang Waterfall, Secret Buddha Garden.★ 4.39 (94)6h✓ Free cancellationfromUS$ 63per person
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