Top picks for Koh Samui Water activities

Discover 9 Water activities in Koh Samui on Trip.com, updated December 17, 2025, with experiences lasting from 1 to 72 hours. Find the perfect adventure for your day!

From PHP 2,775.66 per person, with an average total of PHP 18,209.92. Choose the option that suits your plan.

With 297 verified reviews, Water activities Koh Samui boast an average rating of 4.7.

This week's most popular Water activities: "La Bombona Diving Koh Tao Open Water Course", with 166 reviews and a 5 rating.

Now on Trip.com: "Snorkeling & Island Hopping", a 4-hour adventure in Koh Samui!

The next available day tour departs on December 18, 2025. Book now to secure your spot!

Koh Samui Water activities usually take about 4 hours — perfect for a relaxed, immersive experience!

100% of Koh Samui Water activities now offer English-speaking guides

December is the perfect time to visit Koh Samui! Choose from Water activities available day tours, including seasonal favorites like La Bombona Diving Koh Tao Open Water Course.

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