Top Koh Samui Activities and Things to Do

Discover 91 Day tour product in Koh Samui on Trip.com, updated October 21, 2026, with experiences lasting from 1 to 9 hours. Find the perfect adventure for your day!

From £10.30 per person, with an average total of £79.27. Choose the option that suits your plan.

With 694 verified reviews, Day tour product Koh Samui boast an average rating of 4.5.

This week's most popular Day tour product: "One-day tour to Angthong Marine National Park", with 208 reviews and a 4.5 rating.

Now on Trip.com: "Diving in Koh Samui and Koh Tao for certified/non-certified experience with snorkeling and transfer included", a 4-hour adventure in Koh Samui!

The next available day tour departs on October 22, 2026. Book now to secure your spot!

Koh Samui Day tour product usually take about 4 hours — perfect for a relaxed, immersive experience!

96% 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 One-day tour to Angthong Marine National Park.

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: Diving in Koh Samui and Koh Tao for certified/non-certified experience with snorkeling and transfer included
Guest User2025-04-10
Excellent! The coach is very dedicated and responsible.
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Reviews: Mr. Tu Fishing Day Trip by Escort Boat from Koh Samui
Guest User2024-09-12
It was a great day out on a boat fishing, Jo the deckhand was very helpful and cooked a fantastic yummy lunch! Lots of little fish caught, would be perfect for families with kids! The only downfall was out transport to and from the wharf with our driver going to 3 wrong hotels to pick people up and him picking up a hitch hiker on the way back, which I thought was a little bizarre! Overall a great day and would highly recommend.
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Reviews: Koh Samui Departure: Mu Ko Ang Thong National Park Sightseeing and Snorkeling|Upgradable kayaking adventure
Guest User2026-10-08
Well organised! Incredible views and the staff is so nice! English speaking and helpful taking pictures!
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Reviews: Depart from Koh Samui: Private Charter Boat Tour [Snorkeling + Island Hopping]|Longtail Boat (Optional)|Speedboating, etc.
Guest User2026-10-15
Private longtail trip to Koh Mudsum (Pig Island) and Koh Tan with our two boys. Boat and driver were great: kind, careful and on time, and the weather cleared up nicely. Good value for a private boat. One thing to improve: we had no explanation of what was on each island or what to expect, so a short briefing at the start would make it even better. Bring cash for the ฿50 pp entrance fee at Koh Mudsum.
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Reviews: Departing from Koh Samui: Koh Madsum & Tean Island snorkeling experience | dolphin chasing tour upgrade available
Guest User2026-10-05
The pigs simply stole our hearts. We never would have thought we loved pigs so much. 😁. Definitely a must-see!