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Top Things to Do in Koh Tao

We compared all 33 experiences in Koh Tao so you can choose in minutes: real prices, verified reviews and our editorial picks.

4.8 33 experiences from US$ 29 ✓Free cancellation on most experiences

The unmissables

Snorkeling Koh Tao: Full-Day Reef Tour with Boat Amenities
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Most booked
Snorkeling Koh Tao: Full-Day Reef Tour with Boat AmenitiesFull-day snorkeling around Koh Tao with free pickup, lunch and equipment included: visit Shark Bay, Hin Wong Bay and Nang Yuan with an onboard water slide.★ 4.95 (2,568)7h✓ Free cancellationfromUS$ 29per person
Open Water Diver Koh Tao: 3 days, 4 ocean dives
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★ Top rated
Open Water Diver Koh Tao: 3 days, 4 ocean divesOpen Water Diver certification in Koh Tao: 3-day course with 4 ocean dives, pool training, and all equipment included. Small groups.★ 4.97 (1,155)3d✓ Free cancellationfromUS$ 336per person
Snorkeling Koh Tao: Five hidden bays and Nangyuan viewpoint
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Best value
Snorkeling Koh Tao: Five hidden bays and Nangyuan viewpointSnorkel five remote bays around Koh Tao, climb Koh Nangyuan's viewpoint, and enjoy Thai lunch on a full-day boat trip with hotel pickup and English guide.★ 4.75 (211)7h✓ Free cancellationfromUS$ 33per person

Recommended (7)

Bali: SSI Basic Diver Day Experience & Two Guided Dives
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Bali: SSI Basic Diver Day Experience & Two Guided Dives★ 4.90 (207)1dfromUS$ 119per person
Open Water Scuba Certification Koh Tao: 4 days, 4 ocean dives
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Open Water Scuba Certification Koh Tao: 4 days, 4 ocean dives★ 4.98 (173)3dfromUS$ 398per person
Koh Tao Snorkel Tour: 5 Bays & Nangyuan Island with Lunch
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Travelers' pick
Koh Tao Snorkel Tour: 5 Bays & Nangyuan Island with Lunch★ 4.86 (166)6hfromUS$ 45per person
Koh Tao & Nangyuan: Vintage Boat Snorkeling, Sunset BBQ, Pickup
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Travelers' pick
Snorkeling Koh Tao: 5 islands, turtles and reef sharks
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Travelers' pick
Snorkeling Koh Tao: 5 islands, turtles and reef sharks★ 4.79 (135)7hfromUS$ 29per person
Koh Tao: PADI Open Water Diver Certification in 3 Days
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Travelers' pick
Koh Tao: PADI Open Water Diver Certification in 3 Days★ 4.99 (107)3dfromUS$ 352per person
Scuba Diving Koh Tao: Multiple Dives Daily for Certified Divers
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Lowest price (10)

Koh Tao snorkeling tour: 5 stops with green turtles
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Travelers' pick
Koh Tao snorkeling tour: 5 stops with green turtlesSnorkel five bays around Koh Tao with lunch and equipment included: swim with green turtles at Shark Bay, explore coral gardens at Hin Wong Bay.★ 4.72 (18)6h–7h✓ Free cancellationfromUS$ 29per person
Snorkeling Koh Tao: Five Bays and Nang Yuan Island
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Snorkeling Koh Tao: Five Bays and Nang Yuan IslandSix hours snorkeling five bays around Koh Tao plus Nang Yuan Island on a traditional Thai boat with equipment, lunch and hotel pickup included.★ 4.79 (33)6h–7h✓ Free cancellationfromUS$ 29per person
Snorkeling Koh Tao: 5 Islands with Shark Bay & Nangyuan
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Travelers' pick
Snorkeling Koh Tao: 5 Islands with Shark Bay & NangyuanSnorkel five islands around Koh Tao in one day, visiting Koh Nangyuan's three-island beach, Mango Bay, Hin Wong, Aow Leuk and Shark Bay. Includes lunch.★ 4.67 (88)7h✓ Free cancellationfromUS$ 29per person
Snorkeling Koh Tao: 5 bays with guide and lunch
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Travelers' pick-10%
Snorkeling Koh Tao: 5 bays with guide and lunchSnorkel five bays around Koh Tao and Koh Nang Yuan with an English-speaking guide, hotel pickup, lunch on the boat, and a chance to see blacktip sharks.★ 4.35 (40)6h–7h✓ Free cancellationfromUS$ 30per person
Snorkeling Koh Tao: Morning reefs before the crowds
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Snorkeling Koh Tao: Morning reefs before the crowdsFour hours snorkeling four bays around Koh Tao with hotel pickup, English-speaking guide, lunch and gear included.★ 5.00 (13)4h✓ Free cancellationfromUS$ 35per person
Snorkeling in Koh Tao: Five Reefs and Nang Yuan Island
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Snorkeling in Koh Tao: Five Reefs and Nang Yuan IslandSnorkel five reefs around Koh Tao and hike to the viewpoint at Nang Yuan Island, with hotel pickup, lunch and all gear included.★ 4.75 (61)6h–7h✓ Free cancellationfromUS$ 41per person
Snorkeling in Koh Tao: Small boat, coral reefs & sunset
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Likely to sell out
Snorkeling in Koh Tao: Small boat, coral reefs & sunsetSnorkel from a small boat limited to 20 people at Koh Tao's best reefs: mask and lunch included, with pickup from your hotel and a sunset cocktail on the return.★ 4.98 (50)7h✓ Free cancellationfromUS$ 52per person
Full Day Treasure Hunt on Koh Tao: Solve Clues Across the Island
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Full Day Treasure Hunt on Koh Tao: Solve Clues Across the IslandSolve clues across Koh Tao's beaches and viewpoints over six hours, snorkel for hidden clues, meet locals and eat Thai lunch with your team of up to twelve.★ 5.00 (88)6h✓ Free cancellationfromUS$ 61per person
Koh Tao Try Dive: First Scuba Lesson & Boat Trip
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Koh Tao Try Dive: First Scuba Lesson & Boat TripFirst scuba dive in Koh Tao with instructor and equipment. Includes safety briefing, shallow-water skills, one 12m dive, snacks and drinks. Small groups, no experience needed.★ 4.57 (21)1d✓ Free cancellationfromUS$ 92per person
Scuba Diving in Koh Tao: Two Dives for Beginners
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Scuba Diving in Koh Tao: Two Dives for BeginnersStart scuba diving in Koh Tao with two dives around Koh Nang Yuan, led by a PADI instructor from your first breath underwater to 12 meters depth.★ 4.65 (77)6h✓ Free cancellationfromUS$ 114per person

More options (12)

Koh Tao: Try Scuba Diving & SSI Certification
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Koh Tao: Try Scuba Diving & SSI CertificationFirst scuba dive in Koh Tao's crystal waters with small groups, gear included & SSI card. 8:30am start, boat to Koh Nang Yuan, one dive option plus second dive add-on.★ 4.85 (47)8h✓ Instant confirmationfromUS$ 118per person
Koh Tao: 3-Day PADI Open Water Scuba Certification
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Koh Tao: 3-Day PADI Open Water Scuba Certification3-day PADI Open Water course in Koh Tao with private boat, all equipment, and certification. Small groups, expert instructors, four open water dives included.★ 5.00 (13)3d✓ Free cancellationfromUS$ 413per person
Snorkeling Koh Tao: Ko Nangyuan & Hidden Bays with Lunch
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Snorkeling Koh Tao: Ko Nangyuan & Hidden Bays with LunchSnorkel five bays around Ko Nangyuan from Koh Tao with a guide, lunch box and equipment included.★ 4.50 (8)6h 30m✓ Free cancellationfromUS$ 29per person
Snorkeling Koh Tao: Six Spots by Vintage Wooden Boat
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Snorkeling Koh Tao: Six Spots by Vintage Wooden BoatSnorkel six Koh Tao reefs from a vintage wooden boat with guide, lunch, sunset dinner and hotel pickup included: kayak and paddleboard at each stop, no gear to bring.★ 5.00 (8)8h✓ Free cancellationfromUS$ 63per person
Koh Tao: 3 Dive Catamaran with MV Chaba & Lunch
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Koh Tao: 3 Dive Catamaran with MV Chaba & LunchThree guided dives on Koh Tao's top sites (Sail Rock, Chumphon Pinnacle) aboard MV Chaba. Includes lunch, gear, guide, small groups. 8am-3pm.★ 5.00 (3)7h✓ Free cancellationfromUS$ 110per person
Koh Tao snorkeling tour: 5 bays and sunset
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Koh Tao snorkeling tour: 5 bays and sunsetSnorkel five bays around Koh Tao on a half-day boat tour with guide, lunch and hotel pickup included.★ 5.00 (1)7h✓ Free cancellationfromUS$ 39per person
Koh Tao snorkeling day tour: Five bays, reef sharks and turtles
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Koh Tao snorkeling day tour: Five bays, reef sharks and turtlesSeven hours snorkeling around Koh Tao with hotel pickup, guide, lunch and gear included: visit five bays, feed fish in crystal-clear water.7h✓ Free cancellationfromUS$ 26per person
Snorkeling Koh Tao and Nang Yuan: 5 spots with lunch
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Snorkeling Koh Tao and Nang Yuan: 5 spots with lunchSnorkel five spots around Koh Tao and Koh Nang Yuan with hotel pickup, Thai lunch, and underwater photos included: explore the white sandbar.7h✓ Free cancellationfromUS$ 51per person
Snorkeling Koh Tao: Private boat, coral gardens and sharks
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Snorkeling Koh Tao: Private boat, coral gardens and sharksPrivate snorkeling from Koh Tao with hotel pickup, speedboat and guide: five hours hitting Koh Nang Yuan viewpoint, Lighthouse Beach.5h✓ Instant confirmationfromUS$ 760per group
Snorkeling Koh Tao and Koh Nang Yuan: Six reef stops
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Travelers' pick
Snorkeling Koh Tao and Koh Nang Yuan: Six reef stopsSnorkel six reef sites around Koh Tao and Koh Nang Yuan on a full-day boat trip with guide, gear and lunch included, hotel pickup.7h✓ Free cancellationfromUS$ 33per person
Snorkeling Koh Tao: Koh Nang Yuan, Mango Bay & Shark Bay
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Snorkeling Koh Tao: Koh Nang Yuan, Mango Bay & Shark BaySnorkel four bays around Koh Tao with hotel pickup, lunch and equipment included: climb to the Koh Nang Yuan viewpoint between swims and spot blacktip reef sharks at Shark Bay.6h–7h✓ Free cancellationfromUS$ 37per person
Koh Tao: PADI Advanced Diver Course & 30m Depth Certification
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Koh Tao: PADI Advanced Diver Course & 30m Depth CertificationPADI Advanced Open Water certification in Koh Tao with 5 specialized dives and equipment included. Choose from deep, navigation, wreck or night diving.★ 4.94 (17)2d✓ Free cancellationfromUS$ 333per person

Koh Tao at a glance ✓ 2026-10-15

  • Most booked: Snorkeling Koh Tao: Full-Day Reef Tour with Boat Amenities, US$ 29 (7h, 4.95★ · 2,568).
  • Top rated: Open Water Diver Koh Tao: 3 days, 4 ocean dives, US$ 336 (3d, 4.97★ · 1,155).
  • Best value: Snorkeling Koh Tao: Five hidden bays and Nangyuan viewpoint, US$ 33 (7h, 4.75★ · 211).

Of the 33 experiences: 31 with free cancellation, 32 with instant confirmation, 25 with hotel pickup and 19 last-minute.

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