Time zone
GMT +07:00
No time difference
Currency
Thai Baht
1EUR = 37.74THB
Official languages
Thai
Best time to visit
JAN - MAR
Dry season with calm seas and sunny beaches.
Recommended trip duration
4 days

Ko Samui
Located in the Gulf of Thailand, Koh Samui, Thailand, is a tropical island paradise known for its stunning beaches, laid-back atmosphere, and mix of culture and adventure. Once a quiet fishing village, Koh Samui has grown into one of the most popular Thai islands, with everything from luxury resorts to peaceful retreats surrounded by palm trees and turquoise water.
There are endless things to do in Koh Samui, Thailand, from relaxing at Chaweng Beach, Lamai Beach, or Maenam Beach to temple-hopping at the Big Buddha Temple (Wat Phra Yai) and Wat Plai Laem. Explore Fisherman’s Village in Bophut Beach and chase waterfalls at Na Muang Waterfall.
Don’t miss a day trip or boat trip to Ang Thong Marine Park, Koh Tao, or Koh Phangan, where you’ll find vibrant coral reefs, beautiful marine life, and crystal-clear waters.
If you’re visiting Koh Samui for adventure, food, or pure relaxation, this island has something for everyone. Enjoy authentic Thai food, unwind with a traditional Thai massage, or simply watch the sunset from a beach bar. Start planning your Koh Samui trip today and book your tours and attractions on Klook!
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Top things to do in Ko Samui
Angthong Marine National Park by Speedboat or Big Boat
Angthong National Marine Park Excursion by Big Wooden Teak Boat
Koh Samui Island Hopping & Snorkeling Tour: Coral and Pig Island
Tree Bridge Zipline Samui
Phuket Old Town Private Full-Day Tour
Koh Samui Koh Nangyuan & Koh Tao Full-Day Snorkeling Tour
Koh Tan and Koh Mudsum Day Tour from Koh Samui
Koh Samui Big Buddha & Wat Plai Laem Half-Day Tour
Ko Samui Full-Day Angthong Snorkeling & Kayaking Tour
Koh Tao Koh Nangyuan and Koh Pha-Ngan from Samui
Koh Samui Muay Thai Boxing Introduction Class for Beginners
Ko Samui Pig Island 4-Hour Private Longtail Boat Tour
Top attractions in Ko Samui
Koh Samui
Big Buddha Temple (Wat Phra Yai)
Fisherman's Village
Chaweng Night Market
Lamai Night Market
Lipa Noi Beach
Big Buddha Statue
Samui Elephant Kingdom Sanctuary
Coral Cove Beach
Tarnim Magic Garden
Tan Rua Waterfall
Samui Aquarium
Transport in Ko Samui
Koh Samui Ferry & Bus ticket by Lomprayah
Koh Samui - Koh Pangan - Koh Tao Ferry by Lomprayah
Koh Samui - Koh Phangan Full Moon Party Speedboat Transfer
Koh Samui Car Rental with Driver by Smile Samui Tour
Ko Samui|Samui Airport Private Airport Transfer
Koh Samui car rentals | Choose from multiple car models
Koh Samui Car Rental with Driver by Black Panda Travel
Hotels in Ko Samui
Explorar Koh Samui – Adults Only Resort and Spa
Reviews of Ko Samui activities
Ko Samui at a glance
When is the busiest time to visit Ko Samui?
Based on what travelers booked on Klook
Demand from travellers from the Philippines peaks in July, around 33% above a typical month, while March is roughly 17% quieter — book early for July or expect easier availability and fewer crowds in March. Based on Klook historical booking data.
When is Ko Samui cheapest?
Find months that fit your budget.
Typical activity prices are typically around PHP 1,308 in July, roughly 56% below the January high; July’s low prices also align with the period of lower demand noted above. Based on Klook booking data, July 2025 – June 2026.
How far ahead should you book?
Plan ahead so you don’t miss out
Most travellers book only about 2 days ahead, so you can be flexible with plans; during the July peak from the demand chart, consider booking earlier than this. Based on Klook booking data, February 2026 – July 2026.
Quick facts about Ko Samui
What to know before visiting Ko Samui
Ko Samui at a glance
Ko Samui is best known for island-focused experiences led by Tours, Outdoor & sports activities, and Water activities through the year. Klook booking data shows Tours dominate bookings, with Outdoor & sports activities and Water activities also popular — plus a steady demand for Massages and occasional Cruises. The island’s rhythm peaks in July and quietest in March, so decide whether you want the lively peak-season atmosphere or a calmer escape: visit in peak season for the buzz, or travel in quieter months for lower crowds. Based on Klook booking data.
When to visit Ko Samui
July is the busiest month, with demand jumping above a typical month, while March is the quietest month with noticeably lower bookings — Klook booking data shows this seasonal swing. Prices move differently: they are typically lowest in July and then climb to a priciest point around January, so in some months demand and price align (busiest July also shows the lowest typical price) and in others they diverge (January has high prices despite not being the busiest). For lower prices and smaller crowds aim for March or the quieter shoulder months; for peak-season atmosphere target July or January.
| Month | Demand Level | Typical Price |
|---|---|---|
| January | About average | PHP 2,973 |
| February | About average | PHP 2,914 |
| March | Quieter than usual | PHP 2,973 |
| April | About average | PHP 2,914 |
| May | About average | PHP 2,735 |
| June | About average | PHP 2,795 |
| July | Busier than usual | PHP 1,308 |
| August | About average | PHP 1,368 |
| September | About average | PHP 1,546 |
| October | About average | PHP 1,606 |
| November | Quieter than usual | PHP 1,546 |
| December | About average | PHP 1,843 |
Demand is bookings in that month compared with a typical month, from historical Klook booking data, grouped into the demand levels above; typical price is the median paid on Klook in that month; prices are shown with their currency code. Based on Klook booking data, July 2025 – June 2026.
Tips for travellers from the Philippines
Most travellers book fairly late — typically around 2 days ahead — which means you can often be flexible when planning. The earliest planners on Klook book about six days out, and it helps to lock things in a little earlier for the busiest month of July. Use Klook to compare Tours, Outdoor & sports activities and Water activities, and book the experiences you care about a few days ahead when travelling in peak months to secure preferred times. These suggestions are based on Klook booking data and aim to make planning smooth and stress-free.
FAQs about Ko Samui
When is the best time to visit Koh Samui?
When is the best time to visit Koh Samui?
The best time to visit Koh Samui is in July, when demand peaks on Klook. This is when more activities are available and popular experiences are most in demand, so plan ahead if you want specific tours or cruises.
When is the cheapest time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
The cheapest time is typically in July, when average activity prices on Klook are around USD 22 in past bookings. That month has offered the lowest typical prices compared with the priciest month.
How far ahead should I book activities in Koh Samui?
How far ahead should I book activities in Koh Samui?
Book a few days ahead for most activities — in recent Klook booking data travellers typically booked about 2 days in advance. For last-minute flexibility you can often book as late as 1 day before, while early planners looked about 6 days ahead.
How much do activities in Koh Samui typically cost?
How much do activities in Koh Samui typically cost?
In recent Klook booking data activities averaged around USD 37. Popular categories show medians like roughly USD 57 for tours and around USD 34–56 for water and outdoor activities, so expect a range depending on the type of experience.
What is Koh Samui best known for on Klook?
What is Koh Samui best known for on Klook?
Koh Samui is best known for tours, which make up the largest share of bookings on Klook. Outdoor and water activities are also popular, reflecting the island’s appeal for active and sea-based experiences.