Prices, ratings and availability refreshed daily

Things to do in Koh Samui

Koh Samui has 519 bookable experiences, a median price of €56 and an average traveller rating of 4.76. This page ranks what is worth booking, what each price band actually buys and which sights need a timed slot.

Top experiences in Koh Samui

Ranked the way travellers actually book them. Prices are the lowest available per person and update with the catalogue.

No experience matches these filters.

Browse Koh Samui by type

What things cost in Koh Samui

Prices in Koh Samui spread far wider than any single "from" figure suggests, and 100% of the catalogue can be cancelled free of charge. So the useful question is not what the cheapest ticket costs, but which band buys which kind of day.

That is in line with Thailand as a whole, so price alone should not decide where you spend your days.

Check availability in real time

Prices, open dates and reviews for Koh Samui, refreshed by Viator at this moment.

Before you decide

Live prices, dates and reviews for Koh Samui — everything bookable right now, side by side.

Understand Koh Samui

Koh Samui has 62,500 residents across 228 km². Below, the districts travellers actually use to orient themselves, and what each part of the city is known for.

Population62,500
Area228 km²

Other destinations in Thailand

Compare Koh Samui with the rest of the country before locking your route — the catalogue size and price gap between neighbouring cities is often larger than travellers expect.

DestinationBookable toursMedian priceRating
Bangkok2,817€464.77
Phuket1,890€624.79
Chiang Mai1,277€484.91
Krabi780€474.79
Pattaya532€594.66
Khao Lak218€814.73
Ko Phi Phi Don149€434.66
Chiang Rai136€774.85
Hua Hin127€674.70
Ko Lanta115€434.41
Ko Yao Yai68€864.61
Ko Lipe59€544.77

Frequently asked questions

Which attraction in Koh Samui should be booked first?

Book first whatever has timed entry or a daily visitor cap — those sell out and leave only the expensive options. Open-air sights rarely need advance booking.

How many attractions in Koh Samui are worth a dedicated visit?

We list the ones with enough traveller reviews to compare honestly. Anything below that threshold usually means too little data to say whether an option is good or simply new.

Is Koh Samui expensive compared with the rest of Thailand?

The median experience in Koh Samui is €56, against €58 across Thailand. The cheapest paid option we track in Koh Samui is €23.

How far ahead should I book in Koh Samui?

For the highest-review sights, book before you travel: they run on timed entry and the good slots go first. For everything else, 100% of the catalogue allows free cancellation, so booking early carries no real penalty.

How many things are there to do in Koh Samui?

519 bookable experiences in Koh Samui, carrying 11,846 traveller reviews between them, with an average rating of 4.76.