Top picks for Koh Lanta Water activities

Discover 276 Water activities in Koh Lanta on Trip.com, updated October 15, 2026, with experiences lasting from 1 to 9 hours. Find the perfect adventure for your day!

From JPY 3,248 per person, with an average total of JPY 8,608. Choose the option that suits your plan.

With 6.684k verified reviews, Water activities Koh Lanta boast an average rating of 4.6.

This week's most popular Water activities: " Phuket Racha Island + Coral Island Day Trip - Includes Transfers and Island Fees", with 1.81k reviews and a 4.9 rating.

Now on Trip.com: "Koh Lanta: Snorkel Tour by Speedboat to Koh Haa and Koh Rok", a 7-hour adventure in Koh Lanta!

The next available day tour departs on October 16, 2026. Book now to secure your spot!

Koh Lanta Water activities usually take about 7 hours — perfect for a relaxed, immersive experience!

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

October is the perfect time to visit Koh Lanta! Choose from 276 available day tours, including seasonal favorites like Phuket Racha Island + Coral Island Day Trip - Includes Transfers and Island Fees.

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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276 results for Koh Lanta Water activities

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Reviews/Trip Moments

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Reviews: Koh Lanta: Snorkel Tour by Speedboat to Koh Haa and Koh Rok
Guest User2026-10-13
Very good excursion, you make the most of the whole day, peaceful ko rok
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Reviews: Thailand Ko Rok + Ko Haa 1-day tour|Island hopping + snorkeling|Optional departure from Phuket, Krabi, or Lanta
Guest User2026-10-06
Krabi's Koh Loc and Koh Ha island hopping day trip was fantastic! Hotel pick-up was very punctual, and the driver was waiting at the resort entrance early. The boat guide and instructor were very friendly, spoke Chinese, and patiently guided us throughout the snorkeling session; the underwater corals and fish were especially beautiful. The seawater on both islands was a beautiful turquoise blue, and the beaches were fine and clean. The itinerary was well-paced and the equipment was complete; life jackets and snorkeling masks were all clean. Overall, it was a very hassle-free experience, highly recommended!
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Guest User2026-02-27
The four-island tour was well organized. There were 20 people on the boat, which was quite comfortable. The guides were great, always explaining and helping, trying to show the best spots. The islands are magnificent, the water emerald. Swimming in the cave was a bit challenging, so keep in mind if you're traveling with children, as they might be scared in the dark. We snorkeled for about 40 minutes on two islands. The longtail boat trip was fascinating, and the experience was great.
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Reviews: Ko Rok and Ko Ha, Krabi, Thailand|Twin Island Combo|Diving paradise|To-door pick-up/drop-off available|Lunch|guide
Guest User2025-10-08
The trip was a bit tiring, with long drive and boat rides. There weren't many fish at the dive sites, and visibility was average.