Top picks for Koh Lanta Water activities

Discover 35 Water activities in Koh Lanta on Trip.com, updated January 31, 2026, with experiences lasting from 1 to 32 hours. Find the perfect adventure for your day!

From SEK 138.00 per person, with an average total of SEK 877.05. Choose the option that suits your plan.

With 301 verified reviews, Water activities Koh Lanta boast an average rating of 4.5.

This week's most popular Water activities: "Full-Day Beginner Scuba Course with Private Tuition, Racha Yai", with 160 reviews and a 4.9 rating.

Now on Trip.com: "Full-Day Phi Phi Leh, Phi Phi Don, Bamboo island(By Speed Boat)", a 32-hour adventure in Koh Lanta!

The next available day tour departs on February 1, 2026. Book now to secure your spot!

Koh Lanta Water activities usually take about 32 hours — perfect for a relaxed, immersive experience!

80% of Koh Lanta Water activities now offer English-speaking guides

January is perfect for visiting Koh Lanta! Choose from Water activities available day tours, including seasonal hits like Full-Day Beginner Scuba Course with Private Tuition, Racha Yai.

Your trip, worry-free! All day tours are run by licensed suppliers with verified reviews, and many include free cancellation before departure.

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35 results for Koh Lanta Water activities

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Reviews/Trip Moments

Reviews: Full-Day Phi Phi Leh, Phi Phi Don, Bamboo island(By Speed Boat)
Guest User2025-02-08
Amazing trip! Took us to so many beautiful beaches and places. Only thing that could be improved was the buffet lunch. Was luke warm and was eh.
Reviews: From Phi Phi: Sunrise & Beat The Crowds to Maya Bay by Speedboat
Guest User2024-10-07
Was a fun day. Monkey beach isn't really worth it, and because of high tide we ended up spending 2 hrs on bamboo beach which was a bit too much. But those are not really controllable factors. Overall, boat was good, locations were good. Being able to get to maya bay early was amazing! As was swimming in phi-ley lagoon and the two snorkeling spots.
Reviews: Snorkel in Koh Lanta, Thailand
Guest User2025-12-07
My girlfriend and I booked a snorkeling course to Ko Bida and were simply blown away. The underwater world there is incredibly beautiful – we saw several sharks, clownfish, cuttlefish, and even pufferfish. A real highlight! We were accompanied by our diving instructor, Sofie, who dedicated a tremendous amount of time to us and explained everything calmly and clearly. Thanks to her, we felt safe and well cared for at all times. All in all, an unforgettable experience that we highly recommend to everyone!
Reviews: Phi Phi Half Day Tour Speed Boat Tour
Guest User2024-08-13
We had a blast!! It was with the Sea Star group and was the perfect Phi Phi island tour- tons of stops, about 45 mins-1 hour each, they provided endless snacks, drinks, and lunch. The staff was extremely fun and friendly, it was definitely the highlight of our trip! Cannot go wrong with this day tour.
Reviews: Phuket Scuba Diving Experience 1-Day Tour [Racha Yai Island Speedboating Deep Dive Day Tour | 1 Deep Dive + Twin Island Tour | No Experience or Swimming Skills Required]
Guest User2026-01-29
It was our first diving experience, and we fell in love with scuba diving. Thanks to the amazing team! Transfer, organization, guiding and everything else was goat!
Reviews: Phuket jet ski free ride with 6-island/9-island snorkeling half-day tour. Yamaha/Seadoo multiple models available. Thailand travel.
Guest User2025-12-27
Overall impressions are a 4 out of 5. But that's because of the weather. There was wind and waves. I was lucky I brought swimming goggles—they're a must-have accessory. Drops of water constantly get in my eyes. We mostly drove up to the island, and the guide took a few photos. Taking photos myself is difficult; my phone is in the glove compartment, so it's awkward to get it out every time. I took a 1630cc one; there's no point in taking more than that, it's more than powerful enough. Overall, the experience is positive, I recommend it.
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