15 Koh Tao Tours Worth Booking

1.Islands Snorkeling Highlights Day Tour & Lunch

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

Koh Tao snorkeling highlights with Koh Nangyuan viewpoint hike, Thai lunch, and stops for turtles and reef sharks. 7 hours, $27.

“Activity was amazing. We loved every stop, and we saw so much wildlife- turtles, sharks, starfish, loads of colorful fish and coral. The go pro was also an added bonus- we were impressed by all the photos/videos taken and shared with us day of. The only downfall we had were the snorkeling masks. Ours kept fogging up and we had to adjust constantly. Overall, we were very impressed and would definitely book again!”

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2.Full day snorkeling adventure around Koh Tao

★★★★★★★★★★5.0 · 2,300 reviews · from $24Top rated

Full-day Koh Tao snorkeling cruise with A/C boat comfort, included gear, island hikes, top dive spots, and a big lunch plus snacks.

“This was honestly one of the best days ever. It was the perfect amount of time (would have loved to stay longer, but didn't feel shorted), the boat was fun, staff was great! The snorkeling and food weren't the best we've ever had, the overall experience was amazing! We would recommend it and come back for sure!”

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

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

Get scuba certified in 3 intense days in Koh Tao, with a 4-person max group, personal coaching, and a digital achievement certificate.

“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 Nangyuan & Hidden Bays Snorkeling Tour w/ Lunch

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

Koh Tao snorkeling tour to Koh Nang Yuan and hidden bays with Thai lunch box, turtles, reef fish, and free underwater photos for about $27.

“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.Tao-Nangyuan Snorkeling Day Trip with Meals & Sunset

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

Small-group Ko Tao snorkeling day trip to Koh Nang Yuan with paddleboards, buffet lunch, sunset BBQ, and lots of guided sea-life spotting.

“Great snorkling day with 100% chance to see sharks and turtles. Great food and good atmosphere ! Fantastic pictures and video's shared after the trip.”

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6.Snorkeling Trip to Nang Yuan Island & Hidden Bays

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

Koh Tao snorkeling to Nang Yuan and the Japanese Garden, plus slides, turtles, and big-bay scenery on a well-run 7-hour boat day.

“Great friendly guided who cared for us throughout the trip. Saw 2 turtles and a shark too. Great value for money”

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7.Try Scuba Diving 1-Day Experience

★★★★★★★★★★4.8 · 452 reviews · from $77

Ko Tao try scuba in one day: instructor led training in a calm bay, up to 12m, optional second session. No experience needed.

“Incredible time on this tour with our instructor Nikolas. We felt we really understood all of the procedures before entering the water which made the experience feel safe and enjoyable. Would definitely book with this company again!”

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8.Koh Nangyuan and the Hidden Bays Trip by the Oxygen

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

Oxygen’s Koh Tao snorkel trip packs Koh Nangyuan, reef stops, and turtle chances into a smooth 6-7 hour day from Mae Haad.

“Loved this snorkelling trip, the guides went above and beyond and you can tell safety is important to them”

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9.La Bombona Diving Koh Tao Open Water Course

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

PADI Open Water on Koh Tao with small groups, hands-on instructors, quality gear, pool practice, and four ocean sessions plus Sail Rock meals.

“My friend and I completed the Try Dive. We were a bit apprehensive at first but the instructors made us feel so excited and comfortable straight away. The day was amazing and I’d truly recommend it to anyone. We had James, who was an incredible instructor, made us feel so safe and at ease. If in doubt - do it!!! One of the best days EVER!”

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10.Premium Snorkel Tour to Koh Nangyuan Bays by Oxygen

★★★★★★★★★★4.8 · 146 reviews · 6 hours · from $48

Small-group premium snorkeling in Koh Tao, with calm bays, coral reefs, Koh Nangyuan viewpoint, and guided spotting plus vegan and chicken lunch.

“It was lovely that this was a smaller group, and the guides made the experience wonderful. For me personally I was exhausted by the end of the day - 5 snorkelling stops is quite a lot! Also there isn't much shade on the boat, so be really careful and cover up - we got quite burnt which was our own fault!”

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11.Late Riser Snorkeling Tour with Lunch and Photos

★★★★★★★★★★4.6 · 135 reviews · 6 hours · from $28

Late-riser Ko Tao snorkeling with Thai lunch and free underwater photos, hitting Koh Nangyuan, Mango Bay, Hin Wong, Aow Leuk and Shark Bay.

“Amazing and memorable day. The Tour staff all made great effort to look after us and get the most for the day. Thank you to all of them. Seeing Turtles and a baby shark was fantastic. Fun filled day. I loved that there was not so many people on this trip so there was plentybof space to relax. I was shattered by the end of it. Highly recommend!”

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12.Snorkeling and Sunset Tour

★★★★★★★★★★4.8 · 118 reviews · 2h 30m · from $23Best value

Koh Tao sunset snorkeling for $23, small group up to 10. Two reef stops, chances of turtles and blacktip sharks, gear and guide included.

“Gemma and his wife were so lovely and kind. Very accommodating and informative. I’m not a very strong swimmer but Gemma made me feel very safe and swam along side me which was extremely kind. We saw amazing views of the corals, fish and three turtles. I would definitely recommend. Such good value and an unforgettable experience”

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13.Road Trip To 8 Famous Places

★★★★★★★★★★4.2 · 110 reviews · 6 hours · from $46

A 6-hour Koh Tao road trip with big-view viewpoints, a tasty lunch stop, and a swim-and-snorkel finale at Freedom Beach.

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14.Snorkeling Tour with meals and BBQs – Cocktail – Sunset⭐⭐⭐⭐⭐

★★★★★★★★★★5.0 · 105 reviews · 7 hours · from $54

Small-group Koh Tao snorkeling with sterilized gear, homemade Thai lunch, BBQ, sunset cocktail, and a deck view of the bay.

“Absolutely Outstanding Snorkeling Tour – The Best on Koh Tao! Chart puts his heart and soul into what he does, going above and beyond to ensure his guests have an unforgettable experience. Everything was perfectly organized, punctual, and ran smoothly from start to finish. One of the best things about this tour is how well-planned it is—Chart carefully times the route so you avoid the overcrowded spots and get to enjoy the stunning underwater world in peace. His deep knowledge of the area means you’ll see the most beautiful and hidden gems of Koh Tao. The entire team was incredibly welcoming, kind, and attentive, making sure everyone felt comfortable and…”

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15.Private Longtail Snorkel Tour with Nang Yuan Visit

★★★★★★★★★★4.6 · 94 reviews · 5 - 6 hours · from $204

Private longtail snorkel around Koh Tao with Nang Yuan beach time, a steep viewpoint hike, and possible shark and turtle sightings.

“We had an amazing experience! Easy to find, our boat driver was so so friendly and helped us find a sea turtle! It was so nice having a private boat and we did everything that was included on the itinerary and fresh fruit was given!”

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