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Leaving behind the long beaches of Koh Lanta for Koh Mook (also written Koh Muk) is a trip from a popular holiday hub to a quieter island in the Trang archipelago, known for the Emerald Cave. The route is a sea crossing that depends on the season and the weather, so it is worth planning it before you go. You can compare options and book tickets for routes in the area on GoAsia.cc.
Koh Lanta to Koh Mook by Boat
Koh Mook is a small island without a large pier for car ferries, so the crossing is made by passenger boats and speedboats that connect the Andaman islands. There is no single published Lanta to Mook timetable. Instead, the operator Tigerline Ferry & Siri Lanta Speedboat runs a network of connected route segments that covers Lanta and Mook among more than 20 islands, and its booking system builds the connection between the island you start from and the one you want to reach.[1] Choose Lanta as the starting point and Mook as the destination on the operator's website to see the boats that are running on your date.
Tigerline's boats operate daily between 07:00 and 18:30, with schedules adjusted for route, season and weather.[1] Available islands, stations and routes vary with the season and with demand, so the connection between two smaller islands may not run every day. In the rainy season, which on the west coast of peninsular Thailand lasts from May to October,[2] some smaller routes may be reduced.
What the operator says about prices and times
Tigerline publishes indicative price bands rather than a fare for each route: short routes 500 to 1,000 baht, medium routes 1,000 to 2,000 baht and long routes 2,000 to 3,000 baht, before any commission charged by third-party platforms.[1] Its own list of popular routes gives about 120 to 150 minutes for Koh Lanta to Koh Lipe, which passes through the same southern islands, up to 4 trips daily.[1] Treat the Lanta to Mook crossing as a shorter leg within that stretch and check the exact time and fare when you search.
Tips for Traveling from Koh Lanta to Koh Mook
- Book in advance: In the peak season from November to April, boats can fill up quickly. Reserve your seat a few days before you plan to travel.
- Expect a wet landing: Depending on the tide and the boat, you may have to wade through shallow water to reach the shore on Koh Mook. Wear sandals and keep your luggage in a water-resistant bag.
- Sun protection: The reflection off the water is intense. Wear a hat and apply sunscreen before you board.
- Bring cash: Koh Lanta has more ATMs than Koh Mook, so withdraw enough Thai baht before you leave.
- Travel light: You will move your luggage from the van or taxi to a boat, so a small bag makes the transfer easier.
Timetable
| Taxi Koh Lanta - Koh Muk $ 104.56–125.47 2h 50m | |
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Frequently Asked Questions
Use the booking tool on this page to compare the transport options currently available from Koh Lanta to Koh Muk, including current prices and schedules.
Boats connect the islands in the Andaman network of the operator Tigerline Ferry & Siri Lanta Speedboat, which covers both Lanta and Mook. There is no single fixed Lanta to Mook timetable, so search from Lanta to Mook on the operator's website to see the connections that are running on your date.
The operator lists about 120 to 150 minutes for Koh Lanta to Koh Lipe, which is further south on the same stretch of islands. The Lanta to Mook leg is shorter, and the exact time depends on the boat and the connection. Check it when you search.
The operator publishes price bands instead of a fixed fare: 500 to 1,000 baht for short routes, 1,000 to 2,000 baht for medium routes and 2,000 to 3,000 baht for long routes. Search from Lanta to Mook for the exact fare on your date.
Tigerline's boats operate daily between 07:00 and 18:30, but routes and stations vary with the season, the weather and demand. In the rainy season many smaller routes are reduced, so check that your boat is running before you plan the rest of your trip.
Koh Mook has far fewer banking facilities than Koh Lanta. Withdraw enough Thai baht on Koh Lanta before you leave.
Wear light, breathable clothing and footwear you do not mind getting wet, such as flip-flops or water shoes. You may need to step into the water when you land on Koh Mook if the tide is low.
Sources and background
Numbers in the text such as [1] refer to these sources.
- [1] Tigerline Ferry & Siri Lanta Speedboat: Official Timetables & Pricing Structure of Tigerline Ferry & Siri Lanta Speedboat. Retrieved October 15, 2026.
- [2] Tourism Authority of Thailand: Satun. Retrieved October 15, 2026.
Guide prices and journey times are indicative, not live quotes. A booked package may include transfers and waiting time as well as the main journey. Check the selected offer, pickup point and current conditions before booking.