Top Koh Samui Activities and Things to Do

Discover 91 Day tour product in Koh Samui on Trip.com, updated October 19, 2026, with experiences lasting from 1 to 12 hours. Find the perfect adventure for your day!

From THB 463.28 per person, with an average total of THB 3,077.28. Choose the option that suits your plan.

With 7.478k verified reviews, Day tour product Koh Samui boast an average rating of 4.6.

This week's most popular Day tour product: "Mt. Rainier National Park Highlights Tour", with 3.124k reviews and a 4.8 rating.

Now on Trip.com: "Thailand Travel - Koh Samui Ziplining Adventure: Soar Through Tropical Rainforests with Ocean Views, Tree-Top Coffee Photo Spots, Multiple Time Slots Available with Hotel Transfers", a 2-hour adventure in Koh Samui!

The next available day tour departs on October 20, 2026. Book now to secure your spot!

Koh Samui Day tour product usually take about 2 hours — perfect for a relaxed, immersive experience!

72% of Koh Samui Day tour product now offer English-speaking guides

October is the perfect time to visit Koh Samui! Choose from 91 available day tours, including seasonal favorites like Mt. Rainier National Park Highlights Tour.

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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91 results for Koh Samui Day tour product

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Reviews/Trip Moments

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Reviews: Thailand Travel - Koh Samui Ziplining Adventure: Soar Through Tropical Rainforests with Ocean Views, Tree-Top Coffee Photo Spots, Multiple Time Slots Available with Hotel Transfers
Guest User2026-06-08
Good trip. Friendly and helpful tour leader. Pick us up from the hotel punctually. Safety are well taken care of. And thanks for a fruits after the zipline activities. Pick us up and return punctually as described.
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Reviews: Private half-day longtail boat tour to Koh Mat Sum from Koh Samui
Guest User2024-04-03
The only downside was that we were picked up half an hour late. Otherwise, it was great. We had the boat to ourselves (3 people).
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Reviews: Koh Samui: Optional Fun ATV or Fly Zipline or Combo Adventure with Transfers
Guest User2026-09-23
A pleasant experience! The facility is well-maintained, and the staff is friendly, kind, and helpful. I would especially recommend this activity to families with children: we had fun, but if you're looking for something extreme or particularly adrenaline-filled, it might not be what you're looking for.
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Guest User2025-12-05
Lucas was an amazing guide and driver! We felt safe, well taken care of, and entertained the entire time. He easily adapted to our group’s needs — we wanted to see a lot but only walk a little due to some physical limitations — and he made everything smooth and enjoyable. I truly recommend this tour!
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Reviews: 1-day tour to Mount Rainier National Park from Seattle, USA
Guest User2026-10-06
This trip to Mount Rainier was pleasant as the weather was fine, with sunshine and no rain or strong winds. The driver was well prepared for the journey, offering walking sticks for walkers who may encounter challenges to the hikes up and down the various scenic spots on the Mt Rainier journey. He did a respectable commentary throughout the journey. The seating is a rather tight. A more spacious vehicle would have made the trip more enjoyable.
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Reviews: From Seattle: Daytrip by High Speed Ferry to Victoria, BC
Guest User2024-10-13
Comfortable ride. Easy to navigate the boarding process. The ferry ride added to the fun of our day trip/adventure. Highly recommend.