⛴️ Ferries in Thailand

Thailand's coastline stretches over 3,000 kilometers along both the Andaman Sea and the Gulf of Thailand, dotted with more than 1,400 islands ranging from world-famous party destinations to barely inhabited specks of jungle and sand. Ferries are the lifeblood connecting these islands to the mainland and to each other, and for many travelers, the moment a longtail boat or high-speed catamaran pulls away from a sun-bleached pier marks the true beginning of a Thai island adventure. The ferry experience here is as varied as the islands themselves - from rickety wooden boats chugging between tiny communities to sleek, air-conditioned vessels racing across open water.

The Ferry Network in Thailand

Thailand's ferry network operates across two distinct coastlines. On the Gulf of Thailand side, ferries connect the mainland ports of Surat Thani (primarily Donsak Pier), Chumphon, and Trat to popular islands including Koh Samui, Koh Phangan, Koh Tao, Koh Chang, and Koh Kood. On the Andaman Sea side, boats depart from Krabi, Phuket, and smaller piers to reach Koh Phi Phi, Koh Lanta, Koh Lipe, and the islands of the Trang archipelago.

Several major operators dominate the market. Lomprayah and Seatran Discovery are the two biggest names on the Gulf coast, running high-speed catamarans between the Samui-Phangan-Tao triangle. Raja Ferry operates larger, slower car ferries to Koh Samui that can carry vehicles. On the Andaman side, Tigerline, Satun Pakbara Speed Boat Club, and various Phi Phi-bound operators handle the routes. During high season, inter-island services also link the two coasts, with combination boat-and-bus routes running from Koh Tao all the way to Koh Lipe, crossing the peninsula by road in between.

Network coverage is excellent for the major tourist islands but drops off significantly for less-visited destinations. Remote islands in the Trang or Surin chains may only have one daily boat, and some routes shut down entirely during the monsoon season (roughly May through October on the Andaman side, November through December on the Gulf side). The Gulf coast generally enjoys a longer operating season than the Andaman coast.

Classes and Comfort Levels

Thai ferries come in several distinct categories, and the experience varies dramatically between them.

On high-speed catamarans, most operators offer a single class with air-conditioned interiors and an open upper deck. The upper deck is highly sought after for its views, but it can be scorching under the midday sun. Some Lomprayah vessels have a slightly more spacious section near the front. Car ferries tend to be no-frills affairs with plastic chairs and open-air seating areas, but the slower pace and sea breeze make them pleasant in their own right. Speedboats to destinations like Koh Lipe can be an intense experience in rough seas - those prone to motion sickness should choose the largest available vessel.

Booking and Tickets

Booking ferry tickets in Thailand is straightforward. The most convenient approach is to book online in advance, especially during peak season (December through March) when popular routes sell out. Platforms like GoAsia.cc let you compare operators, departure times, and combination bus-and-ferry packages side by side, which is particularly useful when piecing together multi-leg island-hopping itineraries. Most operators also sell tickets through their own websites.

Walk-up tickets at the pier are available on many routes, but this is a gamble during holidays - Thai New Year (Songkran) and the full moon party weekends on Koh Phangan can see boats completely booked days in advance. For quieter routes and off-peak periods, buying at the pier on the day of travel is usually fine.

Many travelers purchase joint tickets that bundle a minivan or bus transfer from their hotel to the pier along with the ferry crossing. These combination tickets are sold by virtually every travel agency and guesthouse in southern Thailand and offer genuine convenience, though the minivan legs can feel cramped. Payment by credit card is widely accepted online; at piers and travel agencies, cash (Thai baht) is sometimes still preferred.

E-tickets and printed confirmations are both used. Some operators scan a QR code from your phone, while others exchange your booking confirmation for a physical boarding pass at a check-in counter. Arrive at the pier at least 30 minutes before departure to allow time for this process.

What to Expect on Board

The journey itself is often one of the highlights of a Thai trip. Gulf coast routes pass limestone karsts and emerald waters, while Andaman crossings can deliver jaw-dropping views of towering cliffs and scattered islands. The Surat Thani to Koh Tao route takes around five to six hours on a standard ferry or roughly two hours by catamaran, giving you a real sense of leaving the mainland behind.

Food and drink options vary by operator. Lomprayah catamarans have a small snack bar selling drinks, instant noodles, and simple meals. Car ferries sometimes have more extensive food stalls on board. Speedboats and longtails offer nothing, so bring water and snacks. On longer crossings, seasickness medication is worth having - the stretch between Koh Phangan and Koh Tao can get rough, especially outside of calm season.

Luggage is typically stored in a designated area on the lower deck of catamarans or simply placed on the floor of smaller boats. There is no formal baggage check or tagging system on most services, so keep valuables with you. Backpacks and suitcases are handled casually, and on busy days, bags can get jumbled together during loading and unloading.

Wi-Fi and charging ports are rare on Thai ferries, though some newer Seatran Discovery vessels offer USB charging. Bring a power bank and download entertainment in advance for longer crossings. Mobile signal tends to drop out mid-crossing but returns as you approach the islands.

One cultural note: shoes are removed when entering the air-conditioned cabin on some boats, following the broader Thai custom of removing footwear indoors. Watch what other passengers do and follow suit.

Tips for Ferry Travel in Thailand

• Check the monsoon calendar. The Andaman coast (Phuket, Krabi, Koh Lipe) is best from November to April. The Gulf coast (Koh Samui, Koh Tao) has its worst weather from October to December but is otherwise fairly reliable. Some routes simply do not operate in low season.
• Beware of the full moon party effect. Around every full moon, boats to and from Koh Phangan fill up fast. Book at least a few days ahead if your travel coincides with this event.
• Sit near the center of the boat if you are prone to seasickness. The back of a catamaran experiences the most motion. Ginger tablets and motion sickness bands are sold cheaply at pharmacies throughout Thailand.
• Arrive early at the pier. Thai ferry operations can be a bit chaotic, with multiple operators departing from nearby but different piers. Donsak, for instance, has several adjacent departure points. Confirm exactly which pier your operator uses.
• Protect your electronics. Spray and splashing are common on speedboats and longtails. A dry bag is essential for cameras, phones, and passports on open boats.
• Night ferries exist on the Surat Thani to Koh Tao route, offering basic sleeping berths. They save a night of accommodation but are basic - bring a light blanket as the air conditioning can be aggressive.
• Combination tickets save hassle but not always time. Bus-and-ferry packages from Bangkok to the islands are popular and affordable, but the road portion can take many hours. Flying to Surat Thani or Krabi and then catching a ferry is significantly faster.
• Keep your ticket stub. Some operators check tickets again upon disembarkation, and you may need it to claim a connecting minivan transfer on the other side.