Gulf of Thailand and Andaman Sea · Runs all year
Koh Tao to Koh Yao Yai ferry
2 ferry departures are listed from Koh Tao to Koh Yao Yai on Thursday 5 November, between 21:00 and 21:00, run by Southern Transport and Holiday Travel Agency. The fastest takes 15h 30m; operators publish 13h 50m – 15h 40m (overnight). Boats leave from Mae Haad Pier, Koh Tao and arrive at Koh Yao Yai (pier depends on the operator).
- Fastest 15h 30m
- 2 departures listed
- 2 operators
- From €45.83
✓ Checked 2 Nov 2026 against 3 sources
Updated 2 Nov 2026 · Sources · How we check
Book Koh Tao → Koh Yao Yai
E-tickets from trusted operators, with live seats and prices.
Fares from €45.83 per person, seen 2 Nov 2026
- E-ticket on your phone
- 2 operators, 2 departures listed
- Fastest crossing 15h 30m
High season: boats on popular Andaman Coast routes can sell out in December, January and around holidays. Book a day or more ahead.
Koh Tao to Koh Yao Yai 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.
Published schedule
Times from 12Go, check before you travel: 1 departure a day at 21:00 (overnight)
- Koh Tao Booking Center: 21:00 → 12:40 (+1 day)
- Sapthaweephol Tour and Travel: 21:00 → 12:30 (+1 day)
- Future Travel and Service: 21:00 → 10:50 (+1 day)
Times from 12Go’s schedule, checked 26 Oct 2026. No operator publishes a timetable we could check. Confirm on the booking page before you travel.
Route facts
| Departs | Mae Haad Pier, Koh Tao, Surat Thani |
|---|---|
| Arrives | Koh Yao Yai (pier depends on the operator), Phang Nga |
| Crossing time | 13h 50m – 15h 40m (overnight) (fastest listed: 15h 30m) |
| Distance | About 141 nautical miles (261 km) |
| Operators | Koh Tao Booking Center (About 15h 40m), Sapthaweephol Tour and Travel (About 15h 30m), Future Travel and Service (About 13h 50m) |
| Boats | Ferry + van + speedboat, Van + speedboat, Combined ticket |
| Season | Runs all year |
| Vehicles | Passengers only |
| Sea | Gulf of Thailand and Andaman Sea |
See every operator, seat availability and the live price.
Before you travel
Good to know
- No operator or government timetable is published for this crossing. The times on this page are the ones 12Go listed on 26 October 2026; check yours when you book and again before you travel.
- Joint tickets leave in the evening and arrive the next day; the ticket covers the boat to the mainland, the van or bus across, and the boat to the island.
- 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.
Koh Tao to Koh Yao Yai ferry: questions
How long is the ferry from Koh Tao to Koh Yao Yai?
Operators publish 13h 50m – 15h 40m (overnight) for Koh Tao to Koh Yao Yai. On the booking listing for 5 Nov 2026, crossings ranged from 15h 30m to 16h, depending on the boat and the stops it makes. The sea distance is about 141 nautical miles.
How many ferries a day go from Koh Tao to Koh Yao Yai?
2 departures were listed for 5 Nov 2026, the first at 21:00 and the last at 21:00 (checked 2 Nov 2026). The operators’ own timetable: Times from 12Go, check before you travel: 1 departure a day at 21:00 (overnight). Departures change with the season, so check the date you want to travel.
Where does the Koh Tao to Koh Yao Yai ferry leave from?
The main departure point is Mae Haad Pier, Koh Tao; boats arrive at Koh Yao Yai (pier depends on the operator). Some operators use other piers: Koh Tao Night Boat and Mae Haad Pier. Your ticket names the pier.
How much is the ferry from Koh Tao to Koh Yao Yai?
On 2 Nov 2026, the booking listing showed fares from €45.83 to €47.00 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 Tao to Koh Yao Yai?
Southern Transport, Holiday Travel Agency, Koh Tao Booking Center, Sapthaweephol Tour and Travel and Future Travel and Service. Koh Tao Booking Center: Ferry + van + speedboat; Sapthaweephol Tour and Travel: Van + speedboat; Future Travel and Service: Combined ticket.
Does the Koh Tao to Koh Yao Yai ferry run all year?
The sources we checked list it as a year-round service. 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 Tao to Koh Yao Yai?
No. This is a passenger service; vehicles are not carried.
How long does the boat from Koh Tao to Koh Yao Yai take?
13h 50m – 15h 40m (overnight) on the departures 12Go lists. Times depend on the boat and the sea, and no operator timetable is published, so check the time on your ticket.
What time is the first and last boat from Koh Tao to Koh Yao Yai?
12Go lists 1 departure a day at 21:00. These are booking-site times checked on 26 October 2026; they change with the season and the weather, so confirm before you travel.
Who runs the boats from Koh Tao to Koh Yao Yai?
12Go lists Koh Tao Booking Center, Sapthaweephol Tour and Travel and Future Travel and Service. 12Go's tickets start from THB 2,000.
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.
- 12go.asia, checked 26 Oct 2026: 12Go (booking site): schedule table of bookable departures with operator, boat type, departure and arrival times, read 26 Oct 2026. No operator timetable is published for this crossing.
- bookaway.com, checked 26 Oct 2026: Bookaway (booking site): route page (3 operators, 13h 50m to 15h 40m; no departure times shown), read 26 Oct 2026.
- Booking partner (12Go) public route page, departures and fares read 2 Nov 2026
Photo: Coconut palms on a white sand spit at Koh Yao Yai, with forested hills across the water (Tom Ek, Wikimedia Commons, CC BY-SA 2.0).
🙏 Spotted something out of date? Tell us at sawadee@thaiferries.co and we’ll check it.
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Onward from Koh Yao Yai
Other ways to reach Koh Yao Yai
- Phuket → Koh Yao Yaifrom 30 min · 17 departures · from €10.33 · seasonal
- Phuket (Laem Hin) → Koh Yao Yaifrom 30 min · 17 departures · from €10.33
- Koh Phi Phi → Koh Yao Yaifrom 1h · 6 departures · from €30.47 · seasonal
- Ao Nang → Koh Yao Yaifrom 40 min · 5 departures · from €16.33 · seasonal
- Railay → Koh Yao Yaifrom 40 min · 5 departures · from €17.22 · seasonal
- Koh Lanta → Koh Yao Yaifrom 2h 20m · 3 departures · from €33.62 · seasonal
- Koh Jum → Koh Yao Yaifrom 1h 50m · 1 departures · from €36.90 · seasonal
- Koh Phangan → Koh Yao Yaifrom 12h 35m · 1 departures · from €48.77