East coast
Chaweng
~7 km of sandNightlifeFirst-timers
The largest and liveliest beach, with nightlife, shopping and water sports. Best for first-timers, backpackers and partygoers. It can be crowded, and rough in the rainy season.
The short answer
Koh Samui is Thailand's second-largest island at 228.7 km², a laid-back Gulf-coast alternative to Phuket, and it is best explored over four to seven days from a single base. One 51 km ring road connects the distinct beach zones — party-central Chaweng, characterful Bophut and Fisherman's Village, and family-friendly Maenam and Choeng Mon. The island's signature day trip is Ang Thong National Marine Park, a 42-island archipelago, alongside the temples, waterfalls, jungle 4x4 tours and ethical elephant sanctuaries inland. The biggest safety risk here by a wide margin is a scooter accident, not crime. And 2025–2026 has been a pivotal stretch: a tourism surge off HBO's The White Lotus Season 3, record airport traffic and an airport expansion — but also major immigration changes, with the 60-day visa-free stay being cut to 30 days for most nationalities, which you must check before you travel.
Book the Ang Thong day trip — from $68 See the 3, 4 and 7-day plans
Five Things That Shape a Samui Trip
The practical realities behind everything below.
Getting There Is Dominated by One Airline
Bangkok Airways effectively holds a monopoly on Samui International Airport (USM), which keeps fares comparatively high. The budget alternative is flying to Surat Thani on the mainland and connecting by bus and ferry.
Getting Around Requires Planning
Taxis are notoriously expensive and rarely metered. Songthaews — shared trucks — are the cheap workhorse. Grab and inDrive exist but are patchy. Scooters are cheap and genuinely dangerous.
Ang Thong Is the Standout Excursion
It is the reason many visitors come — a protected marine park reachable only by organised tour, with an iconic viewpoint and the Emerald Lagoon.
Relaxation Over Phuket-Style Variety
Samui is smaller, lower-rise — a "no building taller than a coconut tree" ethos — and more laid-back than Phuket, but it is harder and pricier to reach.
2025–2026 Is a Pivotal Period
The White Lotus boom, record air traffic and immigration and visa changes have all landed inside eighteen months. Check the current rules rather than an older guide.
Other Experiences You Might Enjoy
The bookable half of a Samui week, in one place.
Beyond the beach, the days that fill a Koh Samui week are the Ang Thong Marine Park boat trip with its Emerald Lagoon and the viewpoint climb on Koh Wua Ta Lap, the snorkelling run out to Koh Tao and Koh Nang Yuan, the easy half-day to Koh Tan and Koh Madsum (Pig Island) from $42 (4.50 stars, 5,483 reviews), and the ferry across to Koh Phangan. Inland, the Big Buddha, Wat Plai Laem, the Na Muang waterfalls, 4x4 jungle safaris and the ethical elephant sanctuaries fill the non-boat days. Live options are below.
The Island: Geography, Size and Who Lives There
Bigger than most visitors expect, and organised around a single road.
Koh Samui sits in the Gulf of Thailand off the east coast, part of Surat Thani Province, roughly 700 km south of Bangkok. It is Thailand's second-largest island after Phuket, with an area of 228.7 square kilometres. The interior is mountainous jungle — the highest point, Khao Pom, reaches about 635 m — ringed by a coastal road, Route 4169, about 51 km long, which links all the main beaches. The drive from Nathon Pier on the west coast to Chaweng on the east takes 30–35 minutes.
Population figures vary by source: Wikipedia and older census data cite around 45,000–63,000 registered residents, while several tourism sources give roughly 70,000 including expats. The economy rests on tourism plus coconut and rubber cultivation, and around 90% of residents are Buddhist. Tourism has fully rebounded and then some: according to C9 Hotelworks' Samui Hotel & Tourism Market Review 2025, total air arrivals reached 2,781,564 in 2024 — a 21% year-on-year rise that surpassed the pre-pandemic 2019 level of 2,417,246.
The Beach Areas, and Who They Suit
Southeast
Lamai
Second-most-popularCouples
Slightly quieter than Chaweng but still has nightlife, and popular with couples. It sits near the Hin Ta and Hin Yai — Grandfather and Grandmother — rocks.
North
Bophut & Fisherman's Village
Friday marketFoodiesCouples
Sino-Portuguese shophouses, boutique dining and the Friday Night Walking Street market. Stylish and characterful — the best base for couples and foodies.
North
Maenam
Long & flatBetter valueFamilies
A long, calm, flat beach — quieter, better value, with adult-only resorts. Good for families and for couples seeking peace.
Northeast
Bang Rak (Big Buddha)
Near airportPier
Home to the Big Buddha and its pier. Densely developed and convenient for the airport and the ferries — but not the best swimming beach.
Northeast tip
Choeng Mon
Quiet covesShallow waterFamilies
Smaller, quiet coves with calm shallow water. Family-friendly and relaxed, with some upscale resorts such as the Melia.
West
Lipa Noi
SunsetsCar-ferry pierFamilies
Calm, shallow and sunset-facing, family-friendly, and next to the Raja car-ferry pier.
Southwest
Taling Ngam
UndevelopedSeclusion
Quiet, undeveloped and west-facing for sunsets. Luxury seclusion, including the InterContinental.
The north and west coasts are generally quieter with the best sunsets; the east coast — Chaweng and Lamai — is livelier but can get rough seas during the monsoon. Our month-by-month weather guide has the detail.
How to Get to Koh Samui
One fast route, one cheap route, and three ferry operators.
By air — fastest
Samui International Airport (USM), on the northeast coast, is privately owned by Bangkok Airways and known for its open-air, garden-style terminal. Bangkok Airways operates the majority of flights and effectively has a monopoly on the airport, which keeps prices relatively high compared with other Thai domestic routes. The flight from Bangkok Suvarnabhumi takes about 1 hour 10–35 minutes, with frequent daily services. Other domestic connections include Phuket, Chiang Mai and Krabi, plus limited international direct flights from Singapore and Hong Kong. Thai carriers such as Thai AirAsia, Nok Air and Thai Lion Air do not serve USM directly, but fly Bangkok–Surat Thani.
Via Surat Thani — cheapest
Fly, bus or train to the mainland at Surat Thani, then take a combined bus and ferry to Koh Samui. This is roughly half the cost of flying direct but takes much of a day. Ferries run mainly from the Donsak piers.
By ferry
Three main operators connect the mainland — Donsak, in the Surat Thani area — to Koh Samui:
Crossing times range from about 45 minutes on the Lomprayah high-speed service to 1.5 hours on the car ferries. Nathon Pier on the west coast is the main mainland terminal, while Bangrak (Big Buddha) Pier and the Maenam/Pralarn Pier serve the inter-island routes to Koh Phangan and Koh Tao. Ferries run frequently from roughly 05:00 to 19:00. For the inter-island crossing specifically, see our Koh Samui to Koh Phangan ferry guide.
Getting Around the Island
There are no public buses and no true tuk-tuks. Here is what there is instead.
Cheapest
Songthaews
~50 THB short100–150 THB cross-island
Shared converted pickup trucks, circulating the ring road like buses. Short trips run around 50 THB per person; longer cross-island trips 100–150 THB. Negotiate and confirm the fare before boarding, and carry small change. They thin out after dark and often switch to "private taxi" pricing at night, with fares often rising about 50 THB after 10pm.
Most expensive
Taxis
Chaweng–Nathon ~500 THBChaweng–Lamai ~300 THB
Comfortable but notoriously expensive — among the priciest in Thailand — and rarely metered. Always agree a price first and get a guide price from your hotel. Short trips typically run 300–500 THB. Airport taxis are the exception: fixed by zone and prepaid at a counter.
Transparent pricing
Grab & inDrive
Often cheaper than taxisPatchy coverage
Ride-hailing apps work on the island and offer transparent pricing, often cheaper than street taxis. Coverage can be patchy in remote areas and at night, and Grab cannot pick up inside the airport. inDrive is often cheaper than Grab locally.
Cheap, and the real risk
Scooter rental
150–300 THB/dayLicence + IDP required
Cheap and popular, and the single biggest safety hazard on the island. Legally you need a motorcycle licence plus an International Driving Permit; without them, your insurance may be void. Always wear a helmet.
Recommended for families
Car rental
From ~$40/day~1,400+ THB
The recommended option for families and confident drivers wanting to explore — safer and more comfortable than a scooter.
Low-stress sightseeing
Private drivers
~300–500 THB/hourBlock packages
Hireable by the hour or in multi-hour blocks — a low-stress way to sightsee. Rates are not uniformly published, so expect roughly 300–500 THB an hour or a multi-hour block package, and confirm with the operator.
There are no public buses, only songthaews, and no true tuk-tuks; motorbike taxis exist for short hops.
Top Things to Do, Beyond the Boat Tours
Temples, waterfalls, jungle and elephants — the days that fill the gaps between beach days.
Ang Thong National Marine Park — the Signature Excursion
The one day trip that most people book before they arrive.
Mu Ko Ang Thong — "Golden Bowl", or "Golden Basin" — is a protected archipelago of 42 islands roughly 30–32 km northwest of Koh Samui, established as a national marine park in 1980 and covering about 102 km². It is famous for towering limestone cliffs, the hidden Emerald Lagoon (Thale Nai, also written Talay Nai), a saltwater lake on Ko Mae Ko, and a spectacular viewpoint on Ko Wua Ta Lap reached by a steep climb of about 500 metres and roughly 430 steps. The park inspired Alex Garland's novel The Beach.
Access is by organised tour only — there is no independent access — typically departing Koh Samui around 9am and returning mid-afternoon. Options include big, slow boats, speedboats and private charters, with snorkelling, kayaking and hiking. The park is closed annually during the monsoon, roughly November to mid-December, for regeneration and weather safety; best conditions are generally December to April, though tours run much of the year depending on daily sea conditions.
Costs, 2025–2026
The national park entrance fee is 300 THB per foreign adult and 150 THB per foreign child, usually paid on-site and often not included in tour prices. Shared big-boat and join-in tours start around 1,000–2,000 THB per person; shared and small-group speedboat tours run roughly 1,740–2,800 THB, with some premium tours up to about 4,400 THB; private speedboat charters run roughly 8,000–38,000 THB for the whole boat. Always confirm whether the park fee, lunch and equipment are included.
Best all-round day trip
Speedboat day tour with kayak, snorkel and lunch
From $68 · 4.69 stars · 2,026 reviews · 8.5 hours
The highest-rated of the standard full-day trips. Speed buys you time on the islands, so the viewpoint climb, the lagoon and the snorkelling all fit without a rush.
Cheapest that still includes kayaking
Big boat park cruise, with kayaking option
From $38 · 4.35 stars · 5,089 reviews · 9 hours
The steadiest ride in the fleet and the cheapest trip that still includes kayaking and the Talay Nai lagoon. Slower on the water, which is what you want when there is a swell in the Gulf.
Best small-group premium option
Semi-private yacht adventure
From $128 · 4.84 stars · 1,905 reviews · 10 hours
The best rating of any Ang Thong trip on this site with a real review base behind it — the only listing rated higher is a private charter resting on eleven reviews. In the busiest months the stops themselves get crowded, and a smaller boat is the only part of that you can control.
Prices are the lowest advertised per person, with ratings checked on GetYourGuide on 9 September 2026. For the full comparison see our best Ang Thong tours roundup and the speedboat versus big boat breakdown; for whole-boat charters, our private charters guide.
Suggested Itineraries
Most visitors spend three to seven days. Four is the widely cited minimum to cover the highlights without rushing.
How many days? Three to seven for most people. Four days is widely cited as the minimum to cover the highlights without rushing; five to seven allows island-hopping to Koh Tao and Koh Phangan and a more relaxed pace. Pick one base and explore from there rather than moving hotels.
3 days
The highlights
Minimum viable
Day 1: arrive, settle in, beach, then dinner and nightlife at Chaweng or Lamai.
Day 2: the cultural loop — Big Buddha, Wat Plai Laem, Na Muang Waterfall, the Grandfather and Grandmother rocks, and Fisherman's Village in the evening.
Day 3: the Ang Thong National Marine Park day tour.
4 days — recommended minimum
Highlights, unrushed
Adds a slack day
Everything in the three-day plan, plus a fourth day for a relaxed beach day, a spa and massage, an elephant sanctuary visit or the Secret Buddha Garden — finishing with a sunset on the west coast.
7 days
Comprehensive
Adds island-hopping
Spread the above over a slower pace and add a day trip to Koh Tao and Koh Nang Yuan for snorkelling or diving, and Koh Phangan, plus more beach and wellness time. Leave buffer days for weather.
If snorkelling is a priority on the island-hopping days, our ranked guide to the region's snorkelling spots explains why Koh Tao rather than Ang Thong is the one to build a day around — the Koh Tao and Koh Nang Yuan snorkelling day trip runs from $70 at 4.45 stars across 1,406 reviews.
Practical Information
What it costs, what can hurt you, and where to sleep.
Currency & costs
The currency is the Thai baht (THB). Koh Samui is one of Thailand's more expensive islands — pricier than Phuket at the mid-range and pricier than Koh Phangan and Koh Tao at the budget end. Rough daily budgets: budget ~$32/day (≈1,000 THB); mid-range ~$77–78/day (≈2,510 THB); luxury ~$180+/day. The islands run 40–60% more than Bangkok or Chiang Mai. Carry cash, since many places are cash-only, and note that ATMs charge about 220 THB per foreign withdrawal.
Where to stay, by traveller type
Is Koh Samui safe?
Yes, generally — violent crime is low. The overwhelming risk is road accidents, especially scooters: Thailand has among the world's highest road-fatality rates, and Samui's steep roads, unfamiliar left-hand traffic, rain and inexperienced riders make scooters genuinely dangerous. Petty theft is a medium risk in tourist zones.
Box Jellyfish Are a Real, If Small, Hazard
Especially in the wet season. A deadly Chironex species lives in Samui waters and has caused serious and fatal stings. Heed warning flags, note where the vinegar stations are, and consider a lycra suit. Riptides can occur in monsoon season.
Bangkok Hospital Samui is an internationally accredited private hospital with 24-hour emergency care. The Tourist Police number is 1155.
Visa Requirements — Check Before You Travel, Rules Are Changing
The 60-day visa-free stay is being cut to 30 days for most nationalities.
Since 15 July 2024, nationals of 93 countries and territories could enter Thailand visa-free for up to 60 days, extendable once by 30 days for 1,900 THB. However, on 19 May 2026 the Thai Cabinet approved scrapping the 60-day scheme.
Per the Tourism Authority of Thailand on 21 May 2026: "Nationals of 54 countries and territories will be eligible for a 30-day visa exemption, while nationals of three countries or territories will be eligible for a 15-day visa exemption" — the three being the Maldives, Mauritius and Seychelles — and the Visa on Arrival list was cut from 31 countries to four: Azerbaijan, Belarus, Serbia and India. The US, UK, EU, Australia, Canada and Japan revert to 30 days.
The change takes effect 15 days after publication in the Royal Gazette; until then the 60-day stamp still applies, and existing stamps remain valid. Separately, all foreign arrivals must complete the free Thailand Digital Arrival Card (TDAC) online within 72 hours before arrival, mandatory since 1 May 2025. Passports should be valid at least six months.
A proposed 300 THB arrival fee for air travellers has been approved in principle but is not yet being collected as of mid-2026. The international airport departure charge rises to 1,120 THB from 20 June 2026, included in ticket prices.
Koh Samui vs Phuket and the Other Islands
Both are excellent. They are good at different things, and their seasons run opposite.
| Factor | Koh Samui | Phuket |
|---|---|---|
| Access | Mainly pricier Bangkok Airways | Large international airport, cheaper and more frequent flights, direct from Europe |
| Vibe & development | Smaller, lower-rise ("no building taller than a coconut tree"), greener, more relaxed, wellness-focused | Bigger, busier, more built-up — high-rises, traffic, more land attractions |
| Beaches | Many travellers rate them slightly better and less "sleazy" | Also excellent |
| Nightlife | Fun but more low-key, winds down earlier | Wins for scale and variety — Patong and Bangla Road |
| Families & couples | Suits couples, honeymooners and relaxed family beach time | More family attractions and options, due to size |
| Islands nearby | Koh Phangan (Full Moon Party), Koh Tao (world-class diving), Ang Thong | Phi Phi, Similan, Krabi, Phang Nga |
| Best season | Often driest January–March; good July–August when Phuket is wet. Wettest and roughest October–December | Best roughly November–February |
Verdict: choose Samui for a more laid-back, beach- and wellness-focused trip and Gulf island-hopping; choose Phuket for easier access, more variety, bigger nightlife and more land-based activities.
What Changed in 2025–2026
A television show, a record year at the airport, and a visa rewrite.
The White Lotus Season 3 boom
HBO's third season, filmed largely at the Four Seasons Resort Koh Samui — plus Anantara Bophut, Anantara Lawana and Anantara Mai Khao Phuket — and featuring BLACKPINK's Lisa, aired in early 2025 and triggered a major "set-jetting" surge. According to Tourism Council of Thailand vice-president Ratchaporn Poolsawadee, reported by the Bangkok Post on 21 February 2025, "Online searches for Koh Samui have surged by 88% since the promotion of the third season of the series began", with hotel reservations up 44%. Expedia told Good Morning America its data showed year-over-year flight-search increases of "Chiang Mai up 65%, Phuket up 45%, and Koh Samui up 30%", while Agoda reported a 12% rise in Koh Samui hotel searches plus a 40% spike in luxury hotel reservations and a 65% jump in US-origin searches. The TCT suggested the island might not see a low season. One caveat: some travel commentators cautioned that the show captures a polished slice of the island, and that parts of Samui struggled post-pandemic.
Record air traffic and new routes
Per Aviation Week's Routes Asia 2026 Awards, "Koh Samui Airport (USM) recorded a landmark year in 2025, handling 2.99 million passengers, the highest annual traffic in its history", ramping "from 50 flights per day to a peak of 73 daily flights." Berjaya Air launched a premium all-business-class Subang (Kuala Lumpur)–Koh Samui service on 22 April 2026. Bangkok Airways plans a 600–700 million baht terminal expansion to raise capacity to 5–6 million passengers a year, with first-phase construction slated for mid-2026 and expected to take two to three years — Samui accounts for roughly 74% of the airline's passenger revenue. Electric passenger drones (EH216-S) connecting Samui with Koh Phangan and Koh Tao have been proposed for late 2026.
Immigration and safety
The immigration changes are covered in the visa section above: the 60-day visa-free stay cut to 30 days for most nationalities pending Royal Gazette publication, the mandatory TDAC, and the rising departure charge. On safety, foreign governments including the UK FCDO and Canada continue to flag riptides and jellyfish in coastal areas and note Thailand's road-accident risk; box jellyfish activity was reported on Samui through 2025.
Seven Recommendations
If you read nothing else on this page, read these.
Benchmarks that would change these recommendations: if you have only two or three days, drop the island-hopping and prioritise Ang Thong plus one cultural loop. If you are travelling in the monsoon, October to December, assume Ang Thong may be closed and weight the itinerary toward inland and cultural activities and the west-coast beaches — our best time to visit guide has the closure dates. And if the 300 THB arrival fee begins being collected, or the visa rules publish in the Gazette, adjust your budget and stay-length plans accordingly.
Caveats on the Figures Above
Where the sources disagree, and what to treat as provisional.
Common Questions
Most visitors spend three to seven days. Four days is the figure most widely cited as the minimum to cover the highlights without rushing: one to arrive and settle, one for the cultural loop of Big Buddha, Wat Plai Laem, Na Muang Waterfall and the Grandfather and Grandmother rocks, one for the Ang Thong National Marine Park day tour, and a fourth for a beach day, a spa, an elephant sanctuary or the Secret Buddha Garden. Five to seven days allows island-hopping to Koh Tao or Koh Phangan at a relaxed pace. Pick one base and explore from there rather than moving hotels.
Chaweng, about 7 km of white sand on the east coast, is the largest and liveliest and suits first-timers, backpackers and partygoers. Lamai is the second-most-popular and slightly quieter, and is popular with couples. Bophut and Fisherman's Village on the north coast has Sino-Portuguese shophouses, boutique dining and the Friday Night Walking Street, and suits couples and foodies. Maenam is long, calm and better value, good for families and for couples seeking peace. Choeng Mon on the northeast tip has small quiet coves and calm shallow water. Lipa Noi and Taling Ngam on the west coast are calm and sunset-facing. The north and west coasts are generally quieter with the best sunsets; the east coast is livelier but can get rough seas during the monsoon.
Rough daily budgets are about $32 a day (roughly 1,000 THB) for budget travel, $77 to $78 a day (roughly 2,510 THB) mid-range, and $180 or more a day for luxury. Koh Samui is one of Thailand's more expensive islands — pricier than Phuket at the mid-range and pricier than Koh Phangan or Koh Tao at the budget end — and the islands generally run 40 to 60 per cent above Bangkok and Chiang Mai. Carry cash, since many places are cash-only, and note that ATMs charge about 220 THB per foreign withdrawal.
Generally yes, and violent crime is low. The overwhelming risk is road accidents, especially on scooters: Thailand has among the world's highest road-fatality rates, and Samui's steep roads, unfamiliar left-hand traffic, rain and inexperienced riders make scooters genuinely dangerous. Petty theft is a medium risk in tourist zones. Box jellyfish are a real if statistically small hazard, especially in the wet season — a deadly Chironex species lives in Samui waters and has caused serious and fatal stings, so heed warning flags, note the vinegar stations and consider a lycra suit. Riptides can occur in monsoon season. Bangkok Hospital Samui is an internationally accredited private hospital with 24-hour emergency care, and the Tourist Police number is 1155.
Flying is fastest. Samui International Airport is privately owned by Bangkok Airways, which operates the majority of flights and effectively holds a monopoly, keeping fares relatively high; the flight from Bangkok Suvarnabhumi takes about 1 hour 10 to 35 minutes. The cheapest route is to fly, bus or train to Surat Thani on the mainland and take a combined bus and ferry, which costs roughly half as much but takes much of a day. Three main ferry operators serve the island from the Donsak piers: Raja Ferry runs vehicle ferries to Lipa Noi, Seatran runs to Nathon and Lomprayah runs high-speed catamarans, with crossings from about 45 minutes to 1.5 hours.
Check before you fly, because this is changing. Since 15 July 2024 nationals of 93 countries and territories could enter visa-free for up to 60 days, extendable once by 30 days for 1,900 THB. On 19 May 2026 the Thai Cabinet approved scrapping that scheme. Per the Tourism Authority of Thailand on 21 May 2026, nationals of 54 countries will be eligible for a 30-day visa exemption and nationals of three (Maldives, Mauritius and Seychelles) for 15 days, with the Visa on Arrival list cut from 31 countries to four. The US, UK, EU, Australia, Canada and Japan revert to 30 days. The change takes effect 15 days after publication in the Royal Gazette; until then the 60-day stamp still applies and existing stamps remain valid. Separately, all arrivals must complete the free Thailand Digital Arrival Card online within 72 hours before arrival, mandatory since 1 May 2025.
Choose Samui for a more laid-back, beach- and wellness-focused trip and Gulf island-hopping; choose Phuket for easier access, more variety, bigger nightlife and more land-based activities. Phuket has a large international airport with cheaper, more frequent flights including direct services from Europe, while Samui is served mainly by pricier Bangkok Airways. Phuket is bigger and more built-up; Samui is lower-rise, under a no-building-taller-than-a-coconut-tree ethos, greener and more relaxed. Their seasons also differ: Phuket on the Andaman side is best roughly November to February, while Samui is often driest around January to March and can be good in July and August when Phuket is wet. Samui's wettest and roughest months are roughly October to December.
The national park entrance fee is 300 THB per foreign adult and 150 THB per foreign child, usually paid on-site and often not included in the tour price. On top of that, shared big-boat or join-in tours start around 1,000 to 2,000 THB per person, shared and small-group speedboat tours run roughly 1,740 to 2,800 THB with some premium tours up to about 4,400 THB, and private speedboat charters run roughly 8,000 to 38,000 THB for the whole boat. Always confirm whether the park fee, lunch and equipment are included. The park is closed annually during the monsoon, roughly November to mid-December.
Book the Day That Makes the Trip
Compare the Ang Thong day tours from Koh Samui — boat type, group size, inclusions, prices and free-cancellation policies.