Time zone
GMT +07:00
No time difference
Currency
Thai Baht
1EUR = 38.21THB
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
Tree Bridge Zipline Samui
Koh Samui Big Buddha & Wat Plai Laem Half-Day Tour
Angthong National Marine Park Excursion by Big Wooden Teak Boat
Koh Tan and Koh Mudsum Day Tour from Koh Samui
Koh Samui Island Hopping & Snorkeling Tour: Coral and Pig Island
Samui Hawk Adventure Zipline Park
Ko Samui Full-Day Angthong Snorkeling & Kayaking Tour
Koh Tao Koh Nangyuan and Koh Pha-Ngan from Samui
Koh Samui Koh Nangyuan & Koh Tao Full-Day Snorkeling Tour
Ko Samui Pig Island 4-Hour Private Longtail Boat Tour
Phuket Old Town Private Full-Day 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 - Koh Pangan - Koh Tao Ferry by Lomprayah
Koh Samui Car Rental with Driver by Smile Samui Tour
Koh Samui Ferry & Bus ticket by Lomprayah
Koh Samui - Koh Phangan Full Moon Party Speedboat Transfer
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
Reviews of Ko Samui activities
Ko Samui at a glance
When is the busiest time for Ko Samui activities?
Book earlier for peak months
Demand peaks in July (about 81% above a typical month) while March is much quieter (about 66% below a typical month), so travellers from Hong Kong should book early for July and 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. Prices in USD.
Activities are cheapest in October at around USD 15, roughly 90% below the November peak — if that October lull matches the quieter season shown by demand, you’ll find lower prices and lighter crowds then. 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 very close in: typical bookings are about 2 days ahead, so last-minute flexibility works well; during July’s peak you may still want to lock in plans earlier. Based on Klook booking data, February 2026 – July 2026.
Quick facts about Ko Samui
What to know before visiting Ko Samui
Quick overview of Koh Samui and what draws visitors
Koh Samui is a classic beach escape where tours, outdoor and sports activities, and water-based experiences dominate bookings. Demand rises and falls through the year, with clear high-season peaks that concentrate visitor activity into a few months. The busiest bookings on Klook are for day trips, land-based outdoor adventures and snorkelling or boat-based water activities.
Best times to go and how prices behave
Klook data shows demand peaks in July and drops to a low in March. Prices follow a different rhythm: according to Klook booking data, November typically records the priciest activity rates while October is usually the cheapest. That means price and demand do not move perfectly together — July is busiest but not the most expensive month, and some months with lower demand can still carry higher prices. For lower prices and smaller crowds, consider travelling in October or March; for peak-season atmosphere and the busiest activity options, aim for July.
Tips for travellers from Hong Kong planning a Koh Samui trip
Most travellers book activities fairly close to arrival: Klook bookings show typical lead times of around 2 days and last-minute bookings are common, so flexibility works in your favour. If you plan to travel during the July peak, consider securing popular tours and water activities a few days earlier to avoid disappointment. Use Klook to compare available tours and lock in options a short time before departure when you know your itinerary.
FAQs about Ko Samui
When is the best time to visit Koh Samui?
When is the best time to visit Koh Samui?
The busiest time on Klook is July, so visit then for the largest selection of activities and events. This is because demand peaks in July in recent Klook booking data, making it the most active month for bookings.
When is the cheapest time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
October is the cheapest month on Klook for Koh Samui, with typical activity prices around USD 15 in recent Klook booking data. Prices hit their low in October compared with the priciest month.
How far ahead should I book Koh Samui activities if I'm travelling from Hong Kong?
How far ahead should I book Koh Samui activities if I'm travelling from Hong Kong?
Book a few days ahead for most activities: typical bookings on Klook happen about 2 days before travel, with early planners booking around 6 days ahead and last-minute bookings as late as 1 day before. This means you can often secure bookings shortly before departure, but allow several days for popular tours.
How much do activities in Koh Samui typically cost?
How much do activities in Koh Samui typically cost?
In recent Klook booking data, the average activity price in Koh Samui is around USD 54. Popular categories show median prices such as tours around USD 57 and outdoor activities around USD 56, illustrating typical spending levels.
What is Koh Samui best known for on Klook?
What is Koh Samui best known for on Klook?
Koh Samui is most booked for tours, which make up the largest share of bookings, followed by outdoor & sports activities and water activities. This reflects travellers’ interest in island tours, active outdoor experiences and water-based excursions.
Explore more on Klook
Top attractions in Ko Samui
- 1 Koh Samui
- 2 Big Buddha Temple (Wat Phra Yai)
- 3 Fisherman's Village
- 4 Chaweng Night Market
- 5 Lamai Night Market
- 6 Lipa Noi Beach
- 7 Big Buddha Statue
- 8 Samui Elephant Kingdom Sanctuary
- 9 Coral Cove Beach
- 10 Tarnim Magic Garden
- 11 Tan Rua Waterfall
- 12 Samui Aquarium
- 13 Thongson Bay Beach
- 14 Paradise Park Farm
- 15 Chaweng Lake
- 16 Central Festival Samui
- 17 Namuang Safari Park
- 18 Bo Phut Beach
- 19 Lad Koh View Point
- 20 Wat Teepangkorn