Koh Samui
เกาะสมุย · Surat Thani Province
Population
67K
Budget / Month
$577
Internet
60 Mbps
Best Season
December to April (dry season)
About Koh Samui
Koh Samui is a lush, coconut-covered island in the Gulf of Thailand, roughly 35 kilometers from the Surat Thani mainland coast. Spanning 228 square kilometers, it is Thailand's second-largest island after Phuket and the largest in the Samui Archipelago, which includes the neighboring party island of Koh Phangan and the dive haven of Koh Tao. The island is ringed by a 50-kilometer coastal road that connects its diverse beaches, from the bustling white sands of Chaweng to the quiet coves of Lipa Noi on the western shore. The interior rises sharply into forested hills, with the highest point at Khao Pom reaching 635 meters, feeding waterfalls that cascade through dense tropical jungle.
Koh Samui was historically a remote fishing and coconut-farming community, largely isolated from mainland Thailand until the first commercial flights arrived in 1989. Bangkok Airways built the private Samui International Airport, which remains one of the most charming small airports in Asia with its open-air terminals and tropical garden runways. The arrival of air access transformed the island rapidly, attracting international resort chains and a steady stream of European, Australian, and increasingly Chinese tourists. Despite rapid development, the island retains pockets of authentic Thai life in its southern and western villages, where coconut plantations still dominate the landscape.
Modern Koh Samui operates on two speeds. The east coast, centered on Chaweng and Lamai beaches, buzzes with nightlife, shopping malls, international restaurants, and a constant flow of visitors. The north coast around Bophut and Maenam offers a quieter, more boutique-oriented experience, with the charming Fisherman's Village hosting a popular Friday night walking street. The west and south coasts remain the least developed, favored by long-stay visitors and those seeking solitude. The island has also become a major wellness destination, with dozens of yoga retreats, detox centers, and Muay Thai training camps attracting health-conscious travelers year-round.
Koh Samui is best suited for travelers seeking a tropical island experience with more polish and infrastructure than Thailand's smaller islands. It appeals to honeymooners, families, wellness seekers, and anyone who wants beautiful beaches without sacrificing comfort. The island serves as the perfect base for exploring the Ang Thong Marine Park, attending full-moon parties on Koh Phangan, or taking diving trips to Koh Tao. While more expensive than mainland Thailand, Koh Samui offers a compelling blend of natural beauty, modern convenience, and island charm that keeps visitors returning year after year.
Historical Note
Koh Samui was a self-sufficient coconut-farming and fishing community for centuries, largely cut off from mainland Thailand. Chinese merchants from Hainan settled on the island in the early 1900s, and the first paved road was not built until the 1970s. Tourism began in earnest after Bangkok Airways opened Samui International Airport in 1989, transforming the island into one of Southeast Asia's premier resort destinations.
Best time to visit: December to April (dry season)
At a Glance
Thai Name
เกาะสมุย
Province
Surat Thani
Region
Southern
Population
67,265
Area
228.7 km²
Elevation
12 m
Postal Code
84140
Airport
USM
Local Language
Thai (Southern dialect)
Cost of Living
budget
/month20,500 THB
~$577 USD
comfortable
/month42,500 THB
~$1,197 USD
luxury
/month101,000 THB
~$2,845 USD
accommodation
| Item | Low (THB) | High (THB) |
|---|---|---|
| Hostel dorm bed | 250 | 500 |
| Budget guesthouse | 500 | 1,000 |
| Mid-range hotel | 1,500 | 4,000 |
| Luxury resort | 5,000 | 25,000 |
| Monthly studio rental | 10,000 | 20,000 |
food
| Item | Low (THB) | High (THB) |
|---|---|---|
| Street food meal | 50 | 80 |
| Local restaurant meal | 80 | 180 |
| Western restaurant meal | 200 | 500 |
| Fine dining | 800 | 3,000 |
| Fresh coconut | 30 | 60 |
| Beer (local brand) | 60 | 120 |
| Coffee at cafe | 60 | 140 |
transport
| Item | Low (THB) | High (THB) |
|---|---|---|
| Motorbike rental (per day) | 200 | 350 |
| Songthaew ride | 30 | 100 |
| Taxi to airport | 300 | 600 |
| Longtail boat charter (half day) | 1,500 | 3,000 |
| Ferry to Koh Phangan | 200 | 400 |
utilities
| Item | Low (THB) | High (THB) |
|---|---|---|
| Electricity (monthly, AC use) | 1,500 | 4,000 |
| Mobile data (tourist SIM, 30 days) | 300 | 600 |
| Laundry (per kg) | 40 | 60 |
entertainment
| Item | Low (THB) | High (THB) |
|---|---|---|
| Thai massage (1 hour) | 300 | 500 |
| Yoga class | 300 | 600 |
| Snorkeling day trip | 800 | 2,000 |
| Muay Thai class | 400 | 800 |
| Ang Thong Marine Park tour | 1,500 | 2,500 |
Internet & Connectivity
Speed Test Averages
vs Bangkok Average (200 Mbps)
30% of Bangkok speed
Providers
Coworking Spaces
4
Weather & Climate
December to April is the dry season with calm seas and sunny skies. The wettest months are October and November when monsoon rains can be heavy. May to September is a shoulder season with occasional rain but fewer crowds and lower prices.
| Month | High °C | Low °C | Rain (mm) | Humidity |
|---|---|---|---|---|
| Jan | 29 | 23 | 90 | 78% |
| Feb | 30 | 23 | 35 | 75% |
| Mar | 31 | 24 | 50 | 74% |
| Apr | 33 | 25 | 80 | 76% |
| May | 33 | 25 | 160 | 79% |
| Jun | 33 | 25 | 110 | 78% |
| Jul | 32 | 25 | 120 | 78% |
| Aug | 32 | 25 | 115 | 78% |
| Sep | 32 | 24 | 140 | 80% |
| Oct | 31 | 24 | 270 | 83% |
| Nov | 30 | 24 | 330 | 84% |
| Dec | 29 | 23 | 180 | 80% |
Things to Do
Big Buddha Temple
วัดพระใหญ่
12-meter golden seated Buddha on a small island connected by causeway. Samui's most famous landmark with panoramic sea views from the top of the staircase.
Ang Thong Marine Park
อุทยานแห่งชาติหมู่เกาะอ่างทอง
Stunning archipelago of 42 islands with emerald lagoons, dramatic limestone cliffs, hidden beaches, and excellent kayaking. A must-do day trip from Samui.
Chaweng Beach
หาดเฉวง
Samui's longest and liveliest beach stretching 7 kilometers with soft white sand, warm turquoise water, and a buzzing strip of restaurants and bars behind it.
Na Muang Waterfalls
น้ำตกหน้าเมือง
Two beautiful waterfalls in the island interior. Na Muang 1 is easily accessible with a natural swimming pool; Na Muang 2 requires a steeper 30-minute jungle hike.
Fisherman's Village Walking Street
ถนนคนเดินบ่อผุด
Bophut's charming Friday night walking street with boutique shops, seafood restaurants, live music, fire shows, and handmade crafts along a converted fishing village.
Hin Ta Hin Yai (Grandfather & Grandmother Rocks)
หินตาหินยาย
Unusual rock formations at Lamai Beach resembling male and female anatomy, a quirky natural attraction surrounded by a small market.
Secret Buddha Garden
สวนพระ
Hidden hilltop garden deep in the island's jungle interior, filled with Buddha statues and mythological figures created by a Samui farmer in 1976.
Wat Plai Laem
วัดปลายแหลม
Colorful lakeside temple featuring a giant 18-armed Guanyin statue and a laughing Buddha. Beautiful Chinese-Thai architecture surrounded by fish-filled ponds.
Lad Koh Viewpoint
จุดชมวิวลาดเกาะ
A scenic cliffside viewpoint on the southern coast offering panoramic views of the turquoise Gulf of Thailand and nearby rocky coastline.
Samui Elephant Sanctuary
Ethical elephant sanctuary where retired working elephants roam freely. Visitors can observe, feed, and walk alongside the elephants in a natural jungle setting.
Food & Dining
ต้มข่าไก่
Tom Kha Gai
Coconut galangal chicken soup with a creamy, tangy, and aromatic broth. Made even better on Samui with fresh island coconuts.
60-120
Bang Po Seafood on the north coast
ไอศกรีมกะทิ
Fresh Coconut Ice Cream
Samui's coconut palms make this creamy, naturally sweet ice cream legendary. Often served in a coconut shell with toppings like sticky rice and peanuts.
40-80
Roadside vendors along the ring road, especially near Nathon
ปลาเผา
Pla Pao
Whole fish packed in a thick salt crust and grilled over charcoal until perfectly tender. Served with spicy seafood dipping sauce and fresh herbs.
150-300
Seafood restaurants along Bophut Beach
กุ้งอบวุ้นเส้น
Goong Ob Woonsen
Prawns baked in a clay pot with glass noodles, ginger, soy sauce, and black pepper. A rich and savory island favorite.
180-350
The Hut Cafe in Lamai or Krua Bophut
แกงส่มปลา
Gaeng Som Pla
Southern-style sour curry with fish, turmeric, tamarind, and mixed vegetables. The southern Thai version is spicier and tangier than central Thai.
60-120
Local restaurants in Nathon town
ขนมจีนน้ำยาใต้
Khanom Jeen Nam Ya Tai
Rice noodles with spicy southern-style fish curry sauce, served with an array of fresh vegetables and herbs on the side.
40-70
Morning markets in Nathon and Lamai
Night Markets
- Fisherman's Village Walking Street (Bophut, Fridays)
- Lamai Night Market
- Chaweng Walking Street
- Nathon Night Market
Food Streets
- Chaweng Beach Road
- Bophut Fisherman's Village
Accommodation
Hostel Dorm
250 - 500
THB / night
Budget Hotel
500 - 1,000
THB / night
Mid-Range
1,500 - 4,000
THB / night
Luxury
5,000 - 25,000
THB / night
Studio /mo
10,000 - 20,000
THB / night
1BR /mo
15,000 - 30,000
THB / night
Best Areas for Tourists
Best Areas for Long Stay
Booking Tip
Book well ahead for December-January peak season. Prices can double during Christmas and New Year. Off-season (May-October) offers significant discounts of 30-50%.
Getting There from Bangkok
Samui International Airport
Airport Code: USM
Flight
1h 10min
2,500-6,000 THB
Bus + Ferry
12-14h
600-1,000 THB
Train + Ferry
14-16h
500-1,500 THB
Getting Around
Songthaew
LimitedShared pickup trucks that run along the ring road between major beaches. Flag them down and pay on exit.
30-100 per trip
Motorbike rental
WidespreadThe most common way to get around. Available everywhere. International license technically required.
200-350 per day
Taxi (metered / fixed price)
Tourist areas onlyMostly unmetered taxis with fixed prices. Negotiate before getting in. Overpriced compared to mainland.
300-800 per trip
Grab
LimitedAvailable but with limited drivers. Often more reliable pricing than taxis.
150-500 per trip
Car rental
Tourist areas onlyJeeps and compact cars available. Useful for families or exploring the interior hills.
800-1,500 per day
Neighborhoods
Chaweng
Energetic and touristyThe busiest area on the island with a long white sand beach, shopping malls, restaurants, bars, and nightlife. This is where most first-time visitors stay.
Best for: Nightlife, shopping, beach activities
Bophut / Fisherman's Village
Relaxed and upscale-casualA charming former fishing village with boutique hotels, excellent restaurants, and the famous Friday walking street. More relaxed than Chaweng with a bohemian feel.
Best for: Couples, foodies, boutique atmosphere
Lamai
Laid-back with a local feelThe second-most popular beach area. Slightly quieter and cheaper than Chaweng with a good mix of nightlife, restaurants, and wellness centers.
Best for: Budget travelers, wellness retreats, quieter beach
Maenam
Quiet and localA quiet northern beach popular with long-stay visitors and families. Affordable accommodation, calm waters, and authentic Thai restaurants. Close to Koh Phangan ferries.
Best for: Long-stay visitors, families, budget travelers
Digital Nomad Guide
5
Nomad Score / 10
Coworking Spaces
Pros
- Beautiful island setting
- Good wellness scene
- Decent internet for an island
- Easy access to Koh Phangan and Koh Tao
Cons
- Expensive by Thai standards
- Limited coworking spaces
- Transport dependent on motorbike
- Internet less reliable than mainland
- Small nomad community
Festivals & Events
Samui Regatta
Annual international sailing regatta attracting yachts from across Asia, combined with beach parties and celebrations.
Chak Phra Festival
ชักพระ
End-of-Buddhist-Lent festival unique to southern Thailand. Elaborately decorated boats carry Buddha images along canals and streets.
Loy Krathong
ลอยกระทง
Floating krathong baskets on the sea and inland waterways, with beach-side celebrations and fire lantern releases.
Ten Stars Samui Art Party
Periodic art and culture festival showcasing local and international artists with exhibitions, live music, and community events.
Practical Info
Hospital
InternationalSamui International Hospital
Best SIM Provider
AIS or TRUE (best island coverage)
ATM Availability
Common
Language Tip
English is widely spoken in tourist areas. Basic Thai appreciated by locals in Nathon and southern villages.
Drinking Water
Drink bottled or filtered water only. Tap water is not safe.
Tipping Culture
Not expected but appreciated. 10% at upscale restaurants. Round up taxi fares.
7-Eleven Density
Common
Emergency Numbers
Tourist Police: 1155, Emergency: 191, Ambulance: 1669
Day Trips
Koh Phangan
Famous for Full Moon Parties but also offers beautiful Bottle Beach, Thong Nai Pan beaches, and jungle waterfalls. Quick 30-minute ferry from Samui.
Koh Tao
World-renowned dive site with crystal-clear waters, coral reefs, and whale shark sightings. One of the cheapest places in the world to get PADI certified.
Ang Thong National Marine Park
Archipelago of 42 stunning islands with emerald lagoons, hidden beaches, sea kayaking, and a famous viewpoint over the Green Lagoon.
Koh Madsum (Pig Island)
Tiny island south of Samui with a pristine beach where friendly pigs roam freely. A fun and quirky half-day excursion.
Nearby Cities
Frequently Asked Questions
Is Koh Samui expensive compared to mainland Thailand?
Yes, Koh Samui is noticeably more expensive than mainland destinations. Accommodation, food, and transport typically cost 30-50% more than places like Chiang Mai or Bangkok. However, budget options still exist, especially in Maenam and during the off-season.
When is the best time to visit Koh Samui?
December to April offers the best weather with dry skies and calm seas. Koh Samui has a different monsoon pattern than western Thailand so it receives rain mainly in October and November. The shoulder months of May-September can be pleasant with occasional afternoon showers.
How do I get from Koh Samui to Koh Phangan for the Full Moon Party?
Regular ferries run from Nathon and Bophut piers to Koh Phangan, taking 30-60 minutes. On Full Moon Party nights, special late-night boats run until early morning. Many travel agencies on Samui sell combined ferry and party packages.
Is it safe to rent a motorbike on Koh Samui?
Motorbikes are the main transport but accidents are common among tourists. Roads are hilly and can be poorly maintained. Always wear a helmet, have travel insurance, and avoid riding at night if you are inexperienced. An international driving permit is technically required.
Can I use Grab on Koh Samui?
Grab is available but has limited drivers compared to Bangkok or Chiang Mai. It works best in Chaweng and Lamai. For other areas, you may need to negotiate with local taxis or rent a motorbike.
Is the tap water safe to drink?
No. Always drink bottled or filtered water. Most hotels provide complimentary bottles. The island's water supply comes from wells and desalination plants and is not treated to drinking standards.
What is the best beach on Koh Samui?
It depends on your preferences. Chaweng has the liveliest scene with white sand and clear water. Maenam is quieter and great for families. Lipa Noi on the west coast offers the best sunsets and fewest crowds. Silver Beach near Lamai is a hidden gem for snorkeling.
Do I need to book the Ang Thong Marine Park tour in advance?
During peak season (December-March), it is recommended to book 1-2 days ahead. In low season, same-day bookings are usually fine. Note that the park may close entirely during heavy monsoon months, typically November and parts of December.