Surat Thani is the main mainland gateway to Koh Samui, with several convenient connections to the island throughout the day. Most travelers reach the ferry terminals at Don Sak by bus or minivan before continuing across the Gulf of Thailand, although faster connections are also sold from Lomprayah's Tapee Pier meeting point. The journey is straightforward once you choose the correct departure location and ferry operator. Seatran services arrive at Nathon, Raja Ferry reaches Lipa Noi, and some other high-speed services use different island piers. Understanding these differences helps you avoid unnecessary transfers and choose the option that works best for your budget, arrival time and accommodation.
Surat Thani to Koh Samui at a glance
Combined bus or minivan and ferry
The easiest all-round choice, with a single ticket covering the mainland transfer to Don Sak and the ferry crossing to Koh Samui.
Lomprayah high-speed transfer
A faster scheduled connection from the Lomprayah Tapee Pier meeting point, using a mainland transfer and high-speed boat to Koh Samui.
| Option | Typical travel time | Typical one-way cost | Best for |
|---|---|---|---|
| Combined bus or minivan and ferry | 3–4 hours | THB 350–550 per person | Best overall |
| Lomprayah high-speed transfer | 1 hour 45 minutes–2 hours 45 minutes | Approximately THB 450–750 per person | Fastest |
Prices and schedules change. Check live schedules, current fares and ticket availability for your travel date.
The normal choice: Combined bus or minivan and ferry
For most travelers, a combined bus or minivan and ferry ticket is the simplest way to reach Koh Samui from Surat Thani. Services operated or arranged by companies such as Phantip, Seatran and Raja Ferry connect the town with the departure piers at Don Sak, approximately 60–70 km away. The road journey generally takes about 1–1.5 hours, followed by a ferry crossing of around 90 minutes. Allow extra time for check-in, boarding and any connection between the vehicle and the boat. Seatran car ferries arrive at Nathon Pier, while Raja Ferry services arrive at Lipa Noi Pier. Both are on the western side of Koh Samui, so travelers staying in Chaweng, Lamai or Bophut will usually need additional transport. The main advantage of a combined ticket is that the land and sea connections are arranged together, reducing the risk of arriving at the wrong pier or missing the intended sailing. Choose a departure from the town office, bus terminal, railway station or airport that matches your actual starting point, as these locations are not interchangeable. Hotel transfers on Koh Samui may be available at an additional cost.
Other ways to make the trip
Surat Thani to Koh Samui by Lomprayah high-speed transfer
Lomprayah is a useful alternative for travelers who want to reduce their journey time and prefer a high-speed boat over a conventional car ferry. Tickets are available from the operator's Tapee Pier meeting point in the Surat Thani area, with scheduled connections to Koh Samui. An important detail is that some services sold as departures from Tapee Pier include a bus transfer to the actual boat departure pier at Don Sak, rather than a direct sea crossing from central Surat Thani. The full journey can take approximately 1 hour 45 minutes to 2 hours 45 minutes depending on the scheduled connection. Lomprayah itineraries from Tapee commonly arrive at Nathon Pier, although travelers should always check the exact arrival location on their ticket. This option is particularly attractive when the departure time matches your plans, but it generally offers fewer convenient departures than the standard bus-and-car-ferry network. Arrive at the designated meeting point at least 30 minutes before departure and allow additional time for any transfer from your hotel, the airport or the railway station. High-speed boats can also be more sensitive to rough sea conditions.
Departure and arrival points
| Mode | Surat Thani | Koh Samui |
|---|---|---|
| Combined bus or minivan and ferry | Surat Thani town operator offices, including Seatran office on Talad Mai Road, or the departure point specified on the combined ticket. | Nathon Pier (Seatran) or Lipa Noi Pier (Raja Ferry), Koh Samui. |
| Lomprayah high-speed transfer | Lomprayah Tapee Pier office, Bang Kung area, Surat Thani; mainland bus transfer to Don Sak may be included. | Lomprayah Nathon Pier, Koh Samui. |
Normal Things to do in Koh Samui
Koh Samui offers a mix of tropical beaches, local markets, temples and quieter coastal villages. Chaweng is a popular choice for beach activities, restaurants and nightlife, while Lamai has a more relaxed atmosphere with plenty of places to eat and stay. Fisherman's Village in Bophut is worth visiting for its waterfront restaurants, shops and evening market atmosphere. For a cultural stop, explore the Big Buddha temple near Bang Rak or visit Wat Plai Laem, known for its colorful statues and lakeside setting. Maenam and Lipa Noi offer quieter stretches of coastline, and the western side of the island is a good place to enjoy the sunset. Travelers interested in nature can also consider a boat excursion to Ang Thong National Marine Park when weather and park access permit. Because the island is relatively large, choosing accommodation near your preferred activities can save significant transport time.
Find a place to stay
Koh Samui
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Practical tips
Surat Thani town, Surat Thani Airport and Surat Thani Railway Station are three different starting points. The railway station is in Phun Phin, approximately 15 km from the city center, so do not assume a town departure is accessible directly from your train. Always book the combined ticket from the location where you will actually arrive. Check both the ferry operator and the arrival pier: Seatran normally reaches Nathon, Raja Ferry reaches Lipa Noi, and other high-speed services may use different piers. Neither Nathon nor Lipa Noi is in the main Chaweng beach area, so budget extra time and money for transport to your hotel. If booking a shared transfer, confirm whether hotel drop-off is included or ends at the pier. Ferries are not an overnight shuttle service, and a late flight or train may require staying in Surat Thani until the following day. Allow a comfortable buffer between separate flight, train, road and ferry bookings. Weather in the Gulf of Thailand can disrupt crossings, especially during the wetter northeast-monsoon period, and high-speed boats may be affected before larger vehicle ferries. Bring water, protect your luggage from rain, keep your ticket accessible and arrive early enough to complete check-in. If you are traveling with a vehicle, confirm ferry capacity and your rental company's permission before departure.
Frequently asked questions
What is the practical way from Surat Thani to Koh Samui?
The easiest way to travel from Surat Thani to Koh Samui is with a combined bus or minivan and ferry ticket. From Surat Thani town, the journey usually takes around 3–4 hours and costs approximately THB 350–550 per person. Most services travel by road to Don Sak before crossing to Nathon or Lipa Noi on Koh Samui. Faster Lomprayah connections are also available. If you are arriving at Surat Thani Airport or railway station, choose a combined ticket departing specifically from that location.
Where do the options depart and arrive?
Departure and arrival points depend on the service. See the table above and confirm the exact locations before booking.












