High season: boats on popular Andaman Coast routes can sell out in December, January and around holidays. Book a day or more ahead.
Koh Yao Yai to Koh Mook departures
Departures listed for 5 Nov 2026 (checked 2 Nov 2026). Fares are per adult, as listed that day. Times can change by date and season: pick your date for live seats.
| Depart → arrive | Operator & piers | Time | Fare | Book |
|---|---|---|---|---|
| 09:20 → 13:20 | Koh Yao Yai Klong Hia Pier → Koh Mook Pier | 4h | €55.29 | Book |
Operator timetable
Seasonal (1 November – 4 May): once a day
Bundhaya lists Koh Yao Yai → Koh Mook for 1 November – 4 May and the return for 15 October – 20 May.
- Koh Yao Yai → Koh Mook: 09:20 → 13:20 (5 Nov and 10 Dec 2026)
- Koh Mook → Koh Yao Yai: 11:00 → 15:50 (5 Nov and 10 Dec 2026)
Source: Bundhaya Speed Boat booking timetable (operator site), checked 26 Oct 2026.
Route facts
| Departs | Klong Hia Pier, Koh Yao Yai, Phang Nga |
|---|---|
| Arrives | Koh Mook (Bundhaya stop), Trang |
| Crossing time | 4h (return 4h 50m) (fastest listed: 4h) |
| Distance | About 61 nautical miles (113 km) |
| Operators | Bundhaya Speed Boat (4h) |
| Boats | Speedboat |
| Season | Seasonal: Bundhaya lists Koh Yao Yai → Koh Mook for 1 November – 4 May and the return for 15 October – 20 May. |
| Vehicles | Passengers only |
| Sea | Andaman Sea |
See every operator, seat availability and the live price.
Before you travel
Good to know
- Koh Yao Yai (Klong Hia Pier) and Koh Yao Noi (Manoh Pier) are separate stops about 2.7 km apart across the channel, often served by the same Bundhaya boat a few minutes apart. Check that your ticket names the right island.
- Bundhaya’s island-hopping routes are seasonal: most start between 15 October and 1 November and stop in early or late May, and they disappear from its booking search outside those dates.
Getting to and from the pier
- The same Bundhaya boats call at Manoh Pier on Koh Yao Noi, about 2.7 km away across the channel; check which pier your ticket names
- Bundhaya’s island-hopping line links Koh Yao Yai and Koh Mook with Phuket, Phi Phi, Koh Lanta, Ao Nang, Railay, Koh Lipe and the Trang islands
Return trip: Koh Mook → Koh Yao Yai: 11:00 → 15:50 (4h 50m), 2,000 THB, listed for 15 October – 20 May.
Koh Yao Yai to Koh Mook ferry: questions
How long is the ferry from Koh Yao Yai to Koh Mook?
Operators publish 4h (return 4h 50m) for Koh Yao Yai to Koh Mook. The sea distance is about 61 nautical miles.
How many ferries a day go from Koh Yao Yai to Koh Mook?
1 departure was listed for 5 Nov 2026 at 09:20 (checked 2 Nov 2026). The operators’ own timetable: Seasonal (1 November – 4 May): once a day. Departures change with the season, so check the date you want to travel.
Where does the Koh Yao Yai to Koh Mook ferry leave from?
The main departure point is Klong Hia Pier, Koh Yao Yai; boats arrive at Koh Mook (Bundhaya stop). The same Bundhaya boats call at Manoh Pier on Koh Yao Noi, about 2.7 km away across the channel; check which pier your ticket names.
How much is the ferry from Koh Yao Yai to Koh Mook?
On 2 Nov 2026, the booking listing showed fares from €55.29 to €55.29 per adult for 5 Nov 2026. The price depends on the operator, the boat (ferry, speedboat or catamaran) and whether a hotel or pier transfer is included. These were the prices on that day: check the live fare for your date before booking.
Which companies run ferries from Koh Yao Yai to Koh Mook?
Bundhaya Speed Boat. Bundhaya Speed Boat: Speedboat.
Does the Koh Yao Yai to Koh Mook ferry run all year?
No, it is seasonal. Bundhaya lists Koh Yao Yai → Koh Mook for 1 November – 4 May and the return for 15 October – 20 May. The southwest monsoon brings rougher seas from roughly May to October. Several island-hopping speedboats, especially in the far south around Koh Lipe and the Trang islands, run only in the high season, roughly November to April.
Can I take a car or motorbike from Koh Yao Yai to Koh Mook?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Mook to Koh Yao Yai?
Koh Mook → Koh Yao Yai: 11:00 → 15:50 (4h 50m), 2,000 THB, listed for 15 October – 20 May.
How long does the boat from Koh Yao Yai to Koh Mook take?
4h. Bundhaya’s speedboat leaves Koh Yao Yai at 09:20 (09:20 → 13:20, 5 November and 10 December 2026).
When does the Koh Yao Yai to Koh Mook speedboat run?
Bundhaya lists it for 1 November – 4 May, once a day. Outside its season the route does not appear in Bundhaya’s booking search.
Sources and checks
We check each route against the operators’ and ports’ own pages, and read our booking partner’s public route page for current departures. Facts we could not confirm are left out.
- bundhayaspeedboat.com, checked 26 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 5 Nov and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 26 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 5 Nov and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 26 Oct 2026: Bundhaya route list: every route it sells, with travel time and starting price (checked 26 Oct 2026).
- Booking partner (12Go) public route page, departures and fares read 2 Nov 2026
Photo: Limestone cliffs of Koh Mook with a longtail boat in the Andaman Sea (Marcin Konsek, Wikimedia Commons, CC BY-SA 4.0).
🙏 Spotted something out of date? Tell us at sawadee@thaiferries.co and we’ll check it.
More ferries from Koh Yao Yai
Onward from Koh Mook
- Koh Mook → Koh Kradanfrom 15 min · 5 departures · from €7.95 · seasonal
- Koh Mook → Koh Lipefrom 2h 10m · 2 departures · from €40.06 · seasonal
- Koh Mook → Langkawifrom 7h 40m · 2 departures · from €68.56 · seasonal
- Koh Mook → Koh Bulonefrom 1h 15m · 1 departures · from €26.70
- Koh Mook → Koh Libongfrom 1h · 1 departures · from €23.26
Other ways to reach Koh Mook
- Koh Lanta → Koh MookPopularfrom 50 min · 2 departures · from €24.11 · seasonal
- Trang → Koh Mookfrom 20 min · 4 departures · from €4.77
- Koh Phi Phi → Koh Mookfrom 1h 50m · 3 departures · from €42.92 · seasonal
- Phuket → Koh Mookfrom 2h 50m · 3 departures · from €58.34 · seasonal
- Koh Ngai → Koh Mookfrom 10 min · 2 departures · from €8.35 · seasonal
- Ao Nang → Koh Mookfrom 3h 10m · 1 departures · from €51.90 · seasonal
- Railay → Koh Mookfrom 2h 50m · 1 departures · from €52.19 · seasonal
- Koh Jum → Koh Mookfrom 2h 10m · 1 departures · from €40.27 · seasonal