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Day Trips from Koh Samui
3 real curated cities within 150km of Koh Samui, ranked by real distance. Koh Samui is in Thailand.
1. Ko Pha Ngan — 25km away
Full guide →Real things to do in Ko Pha Ngan
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Private tour to Anthong National Park from sunrise to sunset
★ 5.0(7 reviews)· 11 hrs
From €186
Snorkel and Kayak Trip to Angthong Marine Park by Speed Boat from Koh Phangan
★ 4.3(67 reviews)· 7 hrs
From €58
Koh Phangan ATV Jungle & Viewpoints Adventure
★ 4.2(18 reviews)· 3h 30m
From €53
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
2. Koh Tao — 68km away
Full guide →Real things to do in Koh Tao
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Open Water Course - Become certified diver in 3 days
★ 5.0(1,144 reviews)· 3 days
From €293
Full day snorkeling adventure around Koh Tao
★ 5.0(2,440 reviews)· 7 hrs
From €27
Snorkelling Trip 5 Island Tour Around Koh Tao and Koh Nang yuan
★ 4.8(114 reviews)· 7 hrs
From €25
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
3. Surat Thani — 86km away
Full guide →Real things to do in Surat Thani
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Koh Tao and Koh Nang Yuan VIP Small Group Tour
★ 4.9(147 reviews)· 7 hrs
From €117
Full Day Ang Thong Islands Luxury Small Group Tour
★ 4.9(341 reviews)· 7 hrs
From €117
Pig Island Tour by Speedboat with Snorkeling
★ 4.7(736 reviews)· 6 hrs
From €49
Real listings from Viator, including live ratings and prices — clicking through takes you to book directly.
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FAQs — Day Trips from Koh Samui
Ko Pha Ngan is the closest real option we have on file, about 25km away — see the full list above with real distances.