Time zone
GMT +07:00
No time difference
Currency
Thai Baht
1EUR = 37.83THB
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
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
Ko Samui Pig Island 4-Hour Private Longtail Boat Tour
Angthong National Marine Park Excursion by Big Wooden Teak Boat
Koh Tan and Koh Mudsum Day Tour from Koh Samui
Ko Samui Full-Day Angthong Snorkeling & Kayaking Tour
Samui Hawk Adventure Zipline Park
Ko Lanta 4 Islands Longtail Boat Tour with Emerald Cave
Koh Samui Half-Day City Highlights 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 Phangan Full Moon Party Speedboat Transfer
Koh Samui - Koh Pangan - Koh Tao Ferry by Lomprayah
Ko Samui|Samui Airport Private Airport Transfer
Koh Samui Car Rental with Driver by Smile Samui Tour
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 for Ko Samui from travellers from Singapore peaks in July, roughly 52% above a typical month, while February is the quietest, about 25% below a typical month — book early for July, and expect easier availability and fewer crowds in February. Based on Klook historical booking data.
When is Ko Samui cheapest?
Find months that fit your budget.
Activities in July are typically around SGD 22, about 71% below the peak prices seen in January when typical prices were around SGD 76; July’s low prices also line up with the demand trough, so you can often find better deals and less competition 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 about 2 days ahead, with last-minute bookings common and early planners around 6 days — this short lead time means you can be flexible, but expect to book earlier during July’s peak. Based on Klook booking data, February 2026 – July 2026.
Quick facts about Ko Samui
What to know before visiting Ko Samui
What to do in Ko Samui
Ko Samui is known for island-based experiences led by Tours, Outdoor & sports activities and Water activities, with massages and cruises playing smaller supporting roles. Klook booking data shows demand builds through the first half of the year and peaks in July, so the island suits sun-and-sea days, boat trips and active outdoor adventures in mid-year. Use the island’s rhythm to decide whether you want festival-like crowds or quieter beaches: decide between peak-season atmosphere and quieter months. All figures above come from Klook booking data.
Best months to visit Ko Samui
Demand on Ko Samui concentrates in mid-year, with July showing the strongest demand and February the quietest, according to Klook booking data. Prices move differently: median prices are lowest in July at SGD 22 and climb to a high in January at SGD 76, so the months of July and August pair lighter prices with varied crowd levels while January brings higher prices despite not being the busiest. For fewer crowds and lower typical prices, aim for July or August; for peak-season atmosphere expect July's higher demand.
| Month | Demand Level | Typical Price |
|---|---|---|
| January | Busier than usual | SGD 76 |
| February | Quieter than usual | SGD 45 |
| March | Quieter than usual | SGD 62 |
| April | Quieter than usual | SGD 33 |
| May | About average | SGD 35 |
| June | Busier than usual | SGD 33 |
| July | Peak demand | SGD 22 |
| August | Quieter than usual | SGD 24 |
| September | About average | SGD 27 |
| October | About average | SGD 51 |
| November | About average | SGD 33 |
| December | About average | SGD 23 |
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 Singapore
Most travellers from Singapore book fairly close to travel—on average about 2 days ahead—which gives flexibility for last-minute plans; a small group books as early as about 6 days out. In practice, you can leave some bookings until a day or two before travel, but book earlier for July when demand peaks and availability tightens. Use Klook to lock in island tours, water activities and popular outdoor experiences while still keeping plans flexible. All timing and planning patterns are based on Klook booking data.
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 if you want the most activity options and a lively atmosphere. Demand rises through June into July, so expect more tours and experiences available around that peak.
When is the cheapest time to visit Koh Samui?
When is the cheapest time to visit Koh Samui?
Bookings on Klook have been cheapest in July, with typical activity prices around USD 17 in that month in recent Klook booking data. Conversely, prices have peaked in January, so July offers the lowest typical prices compared with the priciest month.
How far ahead should I book activities for Koh Samui?
How far ahead should I book activities for Koh Samui?
Book a few days in advance—typical Klook bookings are made about 2 days ahead, with many travellers booking up to 6 days early and some as last-minute as 1 day before. This makes short-notice planning feasible but booking several days ahead helps secure popular slots.
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 30. Top categories show typical median prices such as Tours ~USD 57 and Outdoor & sports activities ~USD 56, so expect a range depending on the activity type.
What is Koh Samui best known for on Klook?
What is Koh Samui best known for on Klook?
Koh Samui on Klook is dominated by Tours and Outdoor & sports activities, which together make up the bulk of bookings. That means island tours, water-based excursions and active outdoor experiences are the most commonly booked options.