The 11 Best Tours in Koh Tao

1.Koh Tao: Islands Snorkeling Highlights Day Tour & Lunch

★★★★★★★★★★4.7 · 3,742 reviews · 7 hours · from $27Our pick

Spend seven hours circling Koh Tao with Sangthong Tour, starting at Koh Nangyuan’s viewpoint and Japanese Reef Garden. You’ll snorkel Mango Bay, Hin Wong, Aow Leuk, and Shark Bay, with Thai lunch, fruit, gear, hotel pickup, and free underwater photos included. The crew speaks English and Thai and helps point out turtles, reef sharks, and colorful fish.

“a must do activitiy in Koh Tao. competent team and guide. very fun and well planned trip and worth every penny.”

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2.Full day snorkeling adventure around Koh Tao

★★★★★★★★★★5.0 · 2,300 reviews · from $24Best value

Cruise around Koh Tao and Koh Nang Yuan with English, Chinese, and Thai-speaking guides. Snorkel at Shark Bay, Aow Leuk, Hin Wong Bay, and Mango, then hike to the famous Koh Nang Yuan viewpoint. Your day includes hotel transfer, gear, lunch, fruit, snacks, drinks, and an air-conditioned cabin, plus a slide, climbing wall, and jump platform.

“Great snorkelling opportunities. Got to see baby sharks and turtles. Crew on the boat were really friendly and helpful. I did feel sorry for the turtles - we were told not to swim above the turtles or too close to them, but I felt people swarmed the turtles and got way too close to them, all for a photo! Just be mindful not to get too close!!”

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3.Open Water Course – Become certified diver in 3 days

★★★★★★★★★★5.0 · 1,137 reviews · from $358

Spend three days at Koh Tao Scuba Club building scuba skills in a group of no more than four. You’ll train with close instructor support, practice in calm local waters, complete the course with a buddy, and receive a digital achievement certificate. Tom and instructor A are praised for patient, safety-minded teaching.

“Tom was an amazing instructor. He was so calm and laid back which made everything feel much less scary while also keeping us educated and safe . I was so nervous but I signed up for an advance course right after I finished .”

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4.Koh Tao: Koh Nangyuan & Hidden Bays Snorkeling Tour w/ Lunch

★★★★★★★★★★4.6 · 912 reviews · 7 hours · from $27

Spend seven hours circling Koh Tao and Koh Nangyuan with Thai and English-speaking guides, stopping at five snorkeling areas. Expect shallow water at Japanese Gardens, coral reefs at Ao Leuk and Hin Wong, possible turtles and black-tip reef sharks, a Thai lunch box, fruit, drinks, and free GoPro photos. Weather can change the route.

“Loved the tour, the snorkelling was great! Saw 2 turtles and loads of amazing fish. The guides were brilliant, such happy and amazing people. They fook some great photos and videos with their gopro and then shared with us. Would highly recommend!!”

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5.Ko Tao: Tao-Nangyuan Snorkeling Day Trip with Meals & Sunset

★★★★★★★★★★4.6 · 711 reviews · 8h 30m · from $62

Spend 8.5 hours aboard Royal Mariblue with guides such as Zin, Lucky, and Mr Tu, stopping at Koh Nang Yuan, Mango Bay, Hin Wong, Aow Leuk, and Shark Bay. Snorkel with a fresh mouthpiece, use kayaks and paddleboards, enjoy Thai buffet dishes and a sunset BBQ, and receive underwater photos at no extra cost.

“The tour was absolutely great and very well organized. Transportation was smooth and always on time. The snorkeling spots were beautiful, and we had plenty of time at each location — we never felt rushed. Lunch was delicious, and the evening BBQ was amazing, especially with the stunning sunset. A big plus was the free photos, both underwater and from the viewpoint, which was a really nice touch. The guides were super friendly, professional, and spoke excellent English. Overall, a fantastic experience — highly recommended, and I would definitely do it again!”

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6.Koh Tao: Snorkeling Trip to Nang Yuan Island & Hidden Bays

★★★★★★★★★★4.8 · 646 reviews · 7 hours · from $24

Spend seven hours snorkeling around Koh Tao and Nang Yuan Island with English and Thai speaking guides. Visit Japanese Garden, Mango Bay, Ao Hin Wong, Ao Leuk, and Shark Bay, with lunch, hotel pickup, underwater photos, a water slide, climbing wall, and floating beds included.

“Loads of stops! good food options diy subway or thai food, plenty of time on island, enjoyed 🌴”

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7.Koh Tao: Koh Nangyuan and the Hidden Bays Trip by the Oxygen

★★★★★★★★★★4.7 · 305 reviews · 6 - 7 hours · from $24

Set out on the Oxygen from Koh Tao’s Mae Haad pier for a 6 to 7 hour snorkeling circuit. You’ll visit Koh Nangyuan, Japanese Garden, Mango Bay, Ao Hin Wong, Ao Leuk, and Shark Bay, with guides such as Tiger and Fin helping in the water. Lunch, equipment, drinks, hotel pickup, and drop-off are included.

“This was a fantastic day out! So well organised and the boat was not overcrowded. Crew were great fun but also had a keen eye on safety - everything was very smooth and we had a good amount of time at each stop. Koh Nangyuan is beautiful and well worth the visit - we also climbed to the viewpoint which was fantastic. Food on board the boat was excellent too and drinks very reasonable. Amazing trip.”

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8.La Bombona Diving Koh Tao Open Water Course

★★★★★★★★★★5.0 · 172 reviews · from $423

Train with La Bombona Diving in Sairee for a PADI Open Water certification. You’ll study the basics, practice in a pool, then complete four supervised ocean sessions with provided gear. Groups are limited to four, and instructors such as George, Nico, James, and Rafa are praised for calm, patient teaching.

“Had an amazing experience and an fantastic instructor!! (Julian is the best🤪). I recommend everyone who wants to dive in Koh Toa, to have your experience by this company”

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9.Become certified diver in 3 days – PADI Open Water Diver course on Koh Tao

★★★★★★★★★★5.0 · 104 reviews · from $375

Learn scuba skills with PADI 5 Star IDC center Scuba Birds in a small group of up to 10. You will study, practice in shallow water, complete four open-water sessions around Nang Yuan Island, pass a final exam, and receive a PADI certificate. Instructor Dominik Maier is named in one experience account.

“What a unique experience! My instructor was Dominik Maier who was an equally hilarious yet stern when needed teacher. I was very nervous at certain points as I have never scuba dived before, and he was able to calm both myself anRead more”

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10.Fun Diving Packages (Certified Divers)

★★★★★★★★★★5.0 · 93 reviews · from $71

Join Koh Tao Scuba Club for two guided underwater trips, either at 7am or 1pm. Each outing lasts about 3 to 4 hours and includes two descents, boat transfers, rental gear, and lunch. Your instructor may be Jimmy, praised for site knowledge and careful safety checks. Pickup is available.

“My girlfriend and I had a great time with the Koh Tao Scuba Club. Our guide, Jimmy, was knowledgeable of the dive sites, as well as very helpful with ensuring we were having a good time, as well as staying safe. We recommend going to the mRead more”

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11.PADI Discover Scuba Diving in Koh Tao – half day and two dives

★★★★★★★★★★4.5 · 74 reviews · from $121

Meet at Scuba Birds in Mae Haad at 10:30 a.m. for a six-hour PADI Discover Scuba session. An instructor handles the briefing and gear, then guides you through two underwater sessions of up to 12 meters near Koh Nang Yuan. Tea, coffee, fruit, and cookies are provided between sessions. Lunch and photos cost extra.

“The experience was just outright amazing and spectacular. Although it was our first time trying out scuba diving, the whole experience made us want to get a certification next time. Den, an absolute unit of a man, was very professional anRead more”

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