Top picks for Koh Samui Day tours

Discover 74 Day tours in Koh Samui on Trip.com, updated March 17, 2026, with experiences lasting from 1 to 10 hours. Find the perfect adventure for your day!

From TRY 872.73 per person, with an average total of TRY 2,420.69. Choose the option that suits your plan.

With 570 verified reviews, Day tours Koh Samui boast an average rating of 4.5.

This week's most popular Day tours: "Day Tour to Angthong Marine Park by Insea Speedboat from Koh Samui", with 220 reviews and a 4.3 rating.

Now on Trip.com: "Koh Samui Angthong National Marine Park one-day tour [Snorkeling/Lunch/Transfer/Kayaking]", a 6-hour adventure in Koh Samui!

The next available day tour departs on March 18, 2026. Book now to secure your spot!

Koh Samui Day tours usually take about 6 hours — perfect for a relaxed, immersive experience!

100% of Koh Samui Day tours now offer English-speaking guides

March is the perfect time to visit Koh Samui! Choose from Day tours available day tours, including seasonal favorites like Day Tour to Angthong Marine Park by Insea Speedboat from Koh Samui.

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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74 results for Koh Samui Day tours

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Reviews/Trip Moments

Reviews: Koh Samui Angthong National Marine Park one-day tour [Snorkeling/Lunch/Transfer/Kayaking]
Guest User2026-03-09
Everything was very positive. We were picked up from the hotel on time. The boat was spacious and comfortable. The route was scenic. All the staff were very attentive and caring. We highly recommend it! P.S.: Hiking shoes are recommended, otherwise it will be difficult to climb the steps up the cliff.
Reviews: From Koh Samui: Day Tour Ang Thong with Kayak, Snorkel & Lunch
Guest User2026-01-01
Since I was already in Koh Samui, I decided to visit one of the islands and signed up for this tour. My expectations weren't high, but I enjoyed the trekking. The snorkeling in the bay at the end was surprisingly good, with schools of fish clearly visible. However, the current was strong, so I worried I might not make it back to the cave in time, so I snorkeled around the boat. The trekking section was quite steep and involved unsteady stone steps, so it's best to wear sneakers if possible. However, I didn't see any information about this, so I ended up wearing flip-flops. I bought water shoes on the boat, but they were too big and didn't fit. They were a bit cheap for 300 baht, so I ended up having to use them for disposables, which left me feeling like I wasted money. However, the Burmese guide was very entertaining, and overall, it was a very enjoyable tour.
Reviews: Koh Samui Departure: Mu Ko Ang Thong National Park Sightseeing and Snorkeling|Upgradable kayaking adventure
Guest User2026-03-09
A fantastic experience. Highly recommended. The guides were incredibly friendly. Excellent explanations. And best of all, the natural beauty is unbelievable.
Reviews: Koh Samui: Koh Tao and Ko Tao + Nang Yuan Island 1-day tour speedboat snorkeling with hotel transfer and lunch included
Guest User2026-02-05
It was a decent tour, but its main drawback was probably the price; I wish it were cheaper. We were picked up from the hotel on time, then driven around half the island to pick up the others—the Chinese are very unpunctual, and we had to wait a long time. We were taken to the pier, given water and buns, and loaded onto a speedboat for about 30 people. The ride to the first spot took about an hour and a half. Along the way, they offered free water and soda, and also sold beer and swim shoes. The place is very beautiful; I even saw a turtle! But there was a lot of trash in the water... Then we were taken to the second spot, and then to lunch. The lunch was meager, but oh well, we didn't go there to eat. After that, they dropped us off at a beautiful beach for a couple of hours, but be careful—the sun is very strong. The ride back also took about an hour and a half, plus transfer to the hotel. Overall, I can recommend it!
Reviews: MR. TU's Samui Island deep sea fishing one-day tour (shared/private boat options) - professional fishing boat with fresh catch processing
Guest User2025-12-01
It was a wonderful day out on the boat - even if we hadn't caught anything I would have been happy! caught my first 2 Fish in open water here - views and service also really good
Reviews: Koh Samui: Private Longtail Boat to Pig Island with Snorkel
Guest User2026-01-04
Everything was great.