Top picks for Koh Samui Day tours

Discover 56 Day tours in Koh Samui on Trip.com, updated April 24, 2026, with experiences lasting from 1 to 9 hours. Find the perfect adventure for your day!

From SGD 28.58 per person, with an average total of SGD 76.08. Choose the option that suits your plan.

With 373 verified reviews, Day tours Koh Samui boast an average rating of 4.3.

This week's most popular Day tours: "Ang Thong National Marine Park Tour by Big Boat from Koh Samui", with 93 reviews and a 4.3 rating.

Now on Trip.com: "Koh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounter", a 5-hour adventure in Koh Samui!

The next available day tour departs on April 25, 2026. Book now to secure your spot!

Koh Samui Day tours usually take about 5 hours — perfect for a relaxed, immersive experience!

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

April is the perfect time to visit Koh Samui! Choose from Day tours available day tours, including seasonal favorites like Ang Thong National Marine Park Tour by Big Boat 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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56 results for Koh Samui Day tours

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Reviews/Trip Moments

Reviews: Koh Samui Departure: Pig Island & Tean Island Snorkeling Experience|Upgrade to a pink dolphin encounter
Guest User2026-03-27
Feeding pigs 🐖, snorkeled with fish 🐠, and relaxed on stunning beaches. Friendly vibes and epic adventures!
Reviews: Koh Samui: Private Longtail Boat to Pig Island with Snorkel
Guest User2026-04-08
The staff at Naphat Tour were very welcoming and contacted me via email a day in advance. Our family of four traveled on one boat, and the captain patiently waited for us at Pig Island; we didn't have to change boats for the return trip, as some other tourists had mentioned. The snorkeling location was particularly noteworthy; it wasn't the popular Tanjung Pied snorkeling spot, as only two longtail boats were there. The children were thrilled to see so many fish.
Reviews: Tean Island 1-day tour [Pink dolphin chasing available + Pig Island option]
Guest User2026-04-17
A really cool tour and a fun guide 😁🤌🏻 We were lucky and saw pink dolphins. They're not as social as the grey ones and didn't come close, but it was amazing to see them in person. I also liked the Island of Pigs, especially the little pigs, very cute :)
Reviews: Ang Thong National Marine Park Tour by Big Boat from Koh Samui
Guest User2026-03-08
It was absolutely fantastic! A wonderful excursion. Highly recommended.
Reviews: From Koh Pha Ngan: Day Tour Ang Thong with Kayak, Snorkel & Lunch
Guest User2026-02-06
Comfortable. They picked us up from the hotel, fed us, and gave us Coke, Fanta, and water during the trip. Everything was great. Cons: They didn't contact us to tell us the pickup time, and they didn't mention that we'd have to pay 300 baht for a national park ticket when we checked in at the pier. Otherwise, everything was great; I liked it.
Reviews: From Koh Samui: Day Tour Ang Thong with Kayak, Snorkel & Lunch
Guest User2026-04-20
A wonderful vacation with a great crew and captain. All the stops were planned thoroughly. We were even a little tired by the end of the trip. Thank you for such an organized vacation.
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