Koh Samui Travel Guide: Where to Stay and What to Do

Updated September 2026

Koh Samui

About Koh Samui

Koh Samui pairs palm-lined beaches and beachfront stays with boat trips across the Gulf of Thailand. Swim at Chaweng or Lamai, or head offshore to Mu Ko Ang Thong National Park and nearby islands.

Koh Samui is the largest island in an archipelago of more than 80 islands, with beaches for swimming and sunbathing and boat trips into the Gulf. Chaweng and Lamai are two beach highlights, while the island’s sights include the Big Buddha, waterfalls and natural rock formations. From Samui, you can take trips to Mu Ko Ang Thong National Park, Ko Pha-ngan and Ko Tao. This guide covers beaches and island excursions, where to stay, transport, seasonal weather and practical points for your trip.

Where to stay

Hotels in Koh Samui

Book direct on our own Koh Samui hotel pages — no booking fee.

Places to stay by type in Koh Samui

Koh Samui at a glance

Local currency
THB (THB)
Local time
(GMT+7)
Suggested area to stay
Chaweng, Lamai, Lipa Noi

History, culture and food in Koh Samui

When to visit Koh Samui

How good each month is here, on this destination's own scale. It compares months within this city, never one city against another.

Best months: February, March and August
  1. Jan
    49

    Very busy; book early

  2. Feb
    63

    Chinese New Year (14 Feb-1 Mar 2026)

  3. Mar
    63

    Beach weather (sea 29°C)

  4. Apr
    52

    Songkran

  5. May
    32

    Rainy (150 mm)

  6. Jun
    55

    Beach weather (sea 30°C)

  7. Jul
    54

    Beach weather (sea 30°C)

  8. Aug
    60

    Beach weather (sea 30°C)

  9. Sep
    28

    Rainy (190 mm)

  10. Oct
    0

    Often avoided: Heavy rain and rough seas can affect beaches, roads and boat excursions.

  11. Nov
    0

    Often avoided: Heavy rain and rough seas can affect beaches, roads and boat excursions.

  12. Dec
    41

    Rainy (150 mm)

Things to do in Koh Samui

12 places worth your time, grouped by when they are at their best.

Any time of day

12 places

Chaweng Beach

Outdoors

Lamai Beach

Outdoors

Big Buddha

Outdoors

Namuang Waterfalls

Outdoors

Hin Ta and Hin Yai

Hua Thanon

Outdoors

Bo Phut

Outdoors

Mu Ko Ang Thong National Park

Outdoors

Ko Wua Ta Lap

Outdoors

Thale Nai

Ko Mae Ko

Outdoors

Ko Pha-ngan

Outdoors

Hat Rin

Outdoors

Ko Tao

Outdoors

Koh Samui itineraries, day by day

View all itineraries
Things to book

Tours and activities in Koh Samui

Guided tours, day trips and tickets to book alongside your stay.

Before you go to Koh Samui

Islands in the archipelago
80+
Height of the Big Buddha
12 m
Islands in Mu Ko Ang Thong National Park
42
Approximate distance to Mu Ko Ang Thong
20 km
Donsak–Samui ferry crossing
1h 30
Tourist Police hotline
1155

How do you get to Koh Samui?

Fly directly from Bangkok or take a ferry from Donsak to Koh Samui.

  • Direct flight: Bangkok Airways operates direct flights from Suvarnabhumi Airport (BKK) to Samui Airport (USM), which is on Koh Samui at Boput.
  • Raja Ferry: Raja Ferry runs hourly Donsak–Koh Samui departures from 05:00 through 19:00. The crossing to Samui International Port at Lipa Noi takes approximately 1 hour 30 minutes, and the service carries passengers and cars.
  • Seatran Ferry: Seatran Ferry runs its Donsak–Koh Samui service every hour from 05:00 to 19:00 daily. The crossing takes approximately 1 hour 30 minutes.

How do you get around Koh Samui and its neighbouring islands?

Use ferry and catamaran services for trips between Samui and nearby islands.

  • Island links: Lomprayah high-speed catamarans link Koh Samui with Ko Pha-ngan and Ko Tao. The Samui–Ko Pha-ngan trip takes 30 minutes, while the Samui–Ko Tao trip takes 3 hours.
  • Ko Pha-ngan ferry: The Raja Ferry trip from Samui to Ko Pha-ngan’s Thong Sala Pier takes 1 hour 30 minutes. Thong Sala is a passenger-pier location for services to Surat Thani, Samui and Ko Tao.
  • Mu Ko Ang Thong trips: One-day speedboat tours to Mu Ko Ang Thong National Park depart from Bo Phut Pier and Na Thon Pier on Samui.

Which Koh Samui area suits you for a beachfront stay?

Choose Chaweng or Lamai for beaches for sunbathing and swimming, or consider Lipa Noi or Bo Phut.

  • The areas with the most hotels, in order, are Chaweng, Lamai, Lipa Noi and Bo Phut. Chaweng and Lamai have beaches, Lipa Noi has a ferry port, and Bo Phut has converted old Chinese shophouses.
  • Chaweng: Chaweng is a beach-focused choice, with Chaweng Beach a Koh Samui highlight. Hat Chaweng is suitable for sunbathing and swimming all day.
  • Lamai: Lamai suits a beach-focused stay, with Lamai Beach a Koh Samui highlight. Hat Lamai is suitable for sunbathing and swimming all day.
  • Lipa Noi: Lipa Noi is the location of Samui International Port for Raja Ferry services from Donsak. The crossing takes approximately 1 hour 30 minutes.
  • Bophut: Bo Phut has converted old Chinese shophouses.

Which beaches and sights should you visit on Koh Samui?

Chaweng and Lamai are the island’s beach highlights for a day of sunbathing and swimming.

  • Chaweng Beach and Lamai Beach are two of Koh Samui’s best-known beach stops. Hat Chaweng and Hat Lamai are suitable for sunbathing and swimming throughout the day, making either a straightforward choice for beach time.
  • Away from the shore, the Big Buddha stands in the north of the island, while the two Namuang Waterfalls lie inland southeast of Nathon Bay. Near Hua Thanon, Hin Ta and Hin Yai are natural rock formations close together.
  • Plan beach time at Chaweng or Lamai if sunbathing and swimming are your priority.

Which island excursions can you take from Koh Samui?

Boat trips from Koh Samui reach Mu Ko Ang Thong National Park, Ko Pha-ngan and Ko Tao.

  • Mu Ko Ang Thong National Park lies around 20 kilometres west of Samui and comprises 42 islands. One-day speedboat tours depart from Bo Phut Pier and Na Thon Pier. On Ko Wua Ta Lap, a 400-metre walking path leads to a mountaintop viewpoint; on Ko Mae Ko, Thale Nai is also known as Mountain Lake.
  • Ko Pha-ngan is around 20 kilometres north of Samui, with a trip of about 30 minutes. Ko Tao is 64 kilometres away and has diving schools where beginners can learn basic skills. Lomprayah’s high-speed catamarans link Samui with both islands. Mu Ko Ang Thong National Park closes to tourism from 1 to 30 November each year, when monsoon conditions can make travel unsafe.
  • Avoid planning a Mu Ko Ang Thong visit during its annual 1–30 November tourism closure.
  • Take brought-in waste back out of marine parks and avoid sunscreens containing oxybenzone, octinoxate, 4-MBC or butylparaben.

When is a good time to visit Koh Samui?

Plan around the island’s monthly rain and sea temperatures, bearing in mind that November is particularly wet on the Gulf’s southern east coast.

  • Thailand’s hot season runs from mid-February to mid-May, the rainy season from mid-May to mid-October, and winter from mid-October to mid-February. The southwest monsoon brings widespread cloud and rain from mid-May to mid-October; the northeast monsoon prevails from around mid-October to mid-February, and the start and end of both can vary. On the Gulf’s southern east coast, November receives the most rain. Samui’s monthly averages range from highs of about 29–32°C and sea temperatures of about 28–30°C; rain ranges from about 30 mm in February to about 450 mm in November. The sea is about 28°C in January, February and December, about 29°C in March and September to November, and about 30°C from April to August.
  • Loi Krathong (November): Loi Krathong is celebrated nationwide on the full-moon night of the 12th month in the Thai lunar calendar, normally in November.

Arrival card

Non-Thai nationals entering Thailand must submit a Thailand Digital Arrival Card online before entry.

  • Submit it within 3 days before arrival, including the arrival date. It applies to land, air and sea entry and is valid for one use on the expected arrival date.
  • A transit passenger who does not pass through immigration does not need one; leaving the airport requires one.

VAT refund

The general VAT rate is 7%, and eligible purchases must total at least 2,000 baht including VAT per day per store.

  • Buy from a shop displaying the “VAT REFUND FOR TOURISTS” sign and take the goods out of Thailand within 60 days.
  • For purchases totalling 20,000 baht or more, present the goods, P.P.10 form and original tax invoices to Customs before check-in. Make the refund request on your departure date, trip by trip.

Refund claim

Claim at a VAT Refund for Tourists counter at an international airport or mail the documents to the Revenue Department.

  • The refund request is made on the departure date, trip by trip.

Temple clothing

Dress appropriately for visits to religious sites and avoid clothing such as sleeveless tops and short pants.

  • Prohibited clothing includes sleeveless shirts, vests, short tops, see-through tops, short pants, torn or tight pants, bike pants, mini skirts, pants skirts and sleeping suits.

Power plugs

Thailand’s electrical supply is 220 volts at 50 cycles per second.

  • Outlets generally take flat, two-pronged plugs; some have holes for round plug ends, and few have three holes for grounded plugs.

Emergency help

Call the Tourist Police hotline on 1155.

Alcohol rules

The legal drinking age is 20, and alcohol sales may be restricted on major religious days or other official periods.

  • Alcoholic beverages may generally be sold from 11:00 to 24:00. Alcohol is not allowed in Thailand’s national parks.

Park protection

Do not take single-use plastic packaging or foam containers into national parks.

  • In marine parks, avoid sunscreens containing oxybenzone, octinoxate, 4-MBC or butylparaben. Do not leave rubbish in the sea or on beaches; take brought-in waste back out.

Browse Koh Samui stays

Near Koh Samui

Straight-line distance from the centre of Koh Samui.

Getaways from Koh Samui

Places people from Koh Samui travel to, from our own travel research.

Frequently asked questions about Koh Samui

How do I get from Samui Airport to the centre?

Samui Airport is on Koh Samui, at Boput. Bangkok Airways operates direct flights from Suvarnabhumi Airport to Samui Airport.

How do you get around Koh Samui?

Ferry and catamaran services connect Koh Samui with nearby islands. Lomprayah links Samui with Ko Pha-ngan and Ko Tao.

Can I take a day trip to Mu Ko Ang Thong from Samui?

One-day speedboat tours to Mu Ko Ang Thong depart from Bo Phut Pier and Na Thon Pier. The park comprises 42 islands and lies around 20 kilometres west of Samui.

What should I see on a Koh Samui beach trip?

Chaweng Beach and Lamai Beach are Koh Samui highlights, and both are suitable for sunbathing and swimming all day.

Where should I stay for nightlife on Koh Samui?

Hat Rin, where the Full Moon Party takes place, is in southeast Ko Pha-ngan, not Koh Samui. Ko Pha-ngan is around 20 kilometres north of Samui.

Where can I find budget accommodation on Koh Samui?

Chaweng, Lamai, Lipa Noi and Bophut are areas to consider for a stay. Chaweng and Lamai have beach highlights, while Lipa Noi is the location of Samui International Port.

Is Koh Samui suitable for families?

Hat Chaweng and Hat Lamai are beaches for sunbathing and swimming all day.

What can I do on a trip to Ko Tao?

Ko Tao has diving schools where new divers can learn basic skills. The Lomprayah trip from Samui takes 3 hours.

How long is the ferry from Donsak to Koh Samui?

The Donsak–Samui crossing takes approximately 1 hour 30 minutes on both Raja Ferry and Seatran Ferry. Both services run hourly from 05:00 to 19:00.

When is Mu Ko Ang Thong National Park closed?

Mu Ko Ang Thong National Park closes for tourism annually from 1 to 30 November. The seasonal closure is due to southwest monsoon conditions that bring heavy rain and strong seas.

What should I wear when visiting temples?

Dress appropriately and avoid sleeveless shirts, short tops, see-through tops and short pants. Other prohibited clothing includes torn or tight pants, bike pants, mini skirts and sleeping suits.

When is the rainy season in Koh Samui?

Thailand’s rainy season runs from mid-May to mid-October, though monsoon timings can vary. The Gulf’s southern east coast receives its most rain in November.

What is the weather like on Koh Samui in November?

November averages about 29°C for the high, about 450 mm of rain and a sea temperature of about 29°C. November is also the month when Mu Ko Ang Thong National Park closes for tourism.

What festival is celebrated in November?

Loi Krathong is celebrated nationwide on the full-moon night of the 12th month in the Thai lunar calendar, normally in November.

How does the VAT refund work in Thailand?

Eligible purchases must total at least 2,000 baht including VAT per day per store, and the shop must display the “VAT REFUND FOR TOURISTS” sign. Take goods out of Thailand within 60 days and request the refund on your departure date.