Surat Thani to Koh Samui: Ferry, Bus & Transfer Guide

Featured image: jetalone, CC BY 2.0, via Flickr.

Surat Thani to Koh Samui: the quick answer

Pick a bundled ticket if you want one booking and one hand-off. Pick a fast boat if you want the shortest time on the water. Pick a car ferry from Donsak pier if you plan to bring a vehicle, and confirm vehicle rules with the operator first. Listed bundled fares run from ฿410 to ฿850, depending on drop-off point and operator. Return timetables differ from the mainland-to-island direction, so do not reuse a Samui-to-Surat Thani schedule.

Which Surat Thani are you starting from?

Surat Thani is not one starting point, and your ticket depends on which one you pick. Booking sites list separate drop-off and pick-up points for the airport, the train station, the town and Donsak pier. Fares change with the point, from about ฿410 for a town-based bundle to about ฿570 from the airport on listed examples. Always match the meeting point on your ticket to where you actually arrive.

• Surat Thani Airport: choose a bundle with an airport pickup, or arrange a taxi to the pier yourself.
• Railway station at Phun Phin: pick a bundle that lists the train station as its meeting point. Check train arrival times on the State Railway of Thailand site.
• Surat Thani town and Tapee pier: some fast boat and ferry tickets start here.
• Phantip office in town: a common meeting point for bus and ferry bundles.
• Donsak pier: the car ferry and catamaran departure area, if you already have transport to it.

Ways to travel from Surat Thani to Koh Samui

Three setups cover almost every trip. A bundled ticket sells the bus or van leg and the ferry together, so staff direct you at each change. A catamaran trades a higher fare for speed, and Lomprayah runs high-speed catamarans in the Gulf of Thailand. Car ferries leave from Donsak pier, and Raja Ferry lists its Donsak services on its own site. Larger ferries ride smoother than small vessels, which pitch more in chop. Some ferries add an air-conditioned lounge for around ฿30, and some waive it in high season.

How long Surat Thani to Koh Samui really takes

Door to door, plan on 2.5 to 3 hours for a bundle. A fast boat crossing alone is about 1.5 hours, but you still add the road transfer and check-in. Booking sites list the Donsak route at roughly 80 to 86 km. Arrive at least 45 minutes before departure. Add buffer for the mainland leg if your flight or train runs late.

Costs and what drives the price

Listed bundled fares span ฿410 to ฿850. Three things move the number. Drop-off point matters: a town-based bundle is at the low end, while airport pickups sit higher. Speed matters: a fast boat costs more than a slow ferry. Booking fees can sit on top when you buy through an aggregator. Check the operator's own fare page before you pay, because third-party listings can lag behind.

Timetable and when to book

No single timetable applies to every ticket. Departure times depend on your operator, the service and the date. Departures run through the day, so short-notice booking is often possible. In peak season, boats fill up, so buy ahead. Tickets are generally not interchangeable between operators, and a missed connection can mean buying again. Treat any listed time as a lead and confirm it with the operator.

How to choose: a decision guide

Arriving on a night train? Book a bundle that lists the train station as its meeting point, and leave a buffer after the scheduled arrival. Carrying heavy luggage? A bundle spares you a separate taxi to the pier. On a tight budget? A town-based bundle near ฿410 is the low end of listed fares. Prone to seasickness? A larger car ferry is steadier than a small catamaran. Heading on to Phangan or Tao? Check whether your operator sells that onward ticket as a connection.

• Late flight or train: pick the later departure, not the earliest one that technically fits.
• Fast boat in rough seas: sailings can be cancelled, so keep a flexible day.
• Vehicle or motorbike: confirm with the car ferry operator before you travel.

Arriving in Koh Samui: piers and onward transport

Mainland ferries land at one of several Samui piers, depending on your service. Nathon is one landing point, and Lipa Noi is another on car ferry routes. Check which pier your ticket names before you leave Surat Thani. From the pier, you can use a hotel pickup, a taxi or a shared songthaew. Sort out your onward ride in advance, because touts crowd the arrival area. Our guide to Getting Around Koh Samui: Best Transport by Area compares those options.

Mistakes to avoid

Tight connections are the main risk. A one-hour gap between a late flight and a ferry is too thin. Do not assume every ticket lands at the same pier. Check that your ticket is for the mainland-to-island direction, since return fares and times differ. Watch the weather, as fast boats are the first to be stopped by rough seas.

Alternatives: fly direct or take another route

Flying straight to the island skips the sea crossing entirely. Our Koh Samui airport guide covers that option, and Samui Airport information lists its operator. If you are still deciding how to reach the south from the capital, see Bangkok to Koh Samui: Flights, Bus + Ferry and Which to Choose. For a wider comparison of routes, return to our main Koh Samui access guide. Flights into Surat Thani are listed by Airports of Thailand.

Onward island hopping to Phangan and Tao

Koh Samui connects onward to Koh Phangan and Koh Tao by sea. Boat operators sell those links separately or as part of multi-island tickets. Our Koh Samui ferry guide covers operators, piers and onward hops in more detail.