Koh Tan & Koh Madsum: Full-Day Longtail Boat Tour from Koh Samui + Lunch
From€46.95
— No ticket required
Free things to do in Ko Samui
You don't need a big budget to enjoy Ko Samui. These experiences are completely free to attend — though many still require you to reserve a spot in advance because capacity is limited.
See all Ko Samui
Zero cost, still worth booking.
Matches
6
City
Ko Samui
Total in city
5
Min rating
any
About this list
Why this shortlist
Free walking tours are the single most popular free activity in Ko Samui, and we list every reputable one in town. Many are tip-based, which means you pay what you think the tour was worth at the end.
Aside from walking tours, look for free museum entry days, open-air concerts, and self-guided routes with downloadable maps.
Shortlist
Free things to do in Ko Samui
Tan & Pig Islands: Guided Speedboat Tour from Koh Samui + Pink Dolphin Spotting
From€65.58
EasyKart Ko Samui
From€18.33
Ko Tao & Ko Nang Yuan: Guided Speedboat Tour from Koh Samui + Meal
From€65.58
Koh Samui: Guided Thai Cooking Class with Local Market Tour + Transfers
From€77.38
Ang Thong Marine Park: Guided Kayaking & Snorkeling Tour from Koh Samui + Meal
From€65.58
Before you book
FAQ
- Are tip-based tours really free?
- Yes — there's no obligation to tip. Most guides survive on tips, though, so €5–€10 per person is the norm if you enjoyed it.