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 Ngai 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 → 13:00 | Koh Yao Yai Klong Hia Pier → Koh Ngai Resort | 3h 40m | €48.98 | Book |
Operator timetable
Seasonal (1 November – 4 May): 1 speedboat a day
Bundhaya lists Koh Yao Yai → Koh Ngai for 1 November – 4 May and the return for 15 October – 20 May.
- Koh Yao Yai → Koh Ngai: 09:20 → 13:00 (5 Nov and 10 Dec 2026)
- Koh Ngai → Koh Yao Yai: 11:30 → 15:50 (5 Nov and 10 Dec 2026)
Source: Bundhaya Speed Boat booking timetable (operator site), checked 25 Oct 2026.
Route facts
| Departs | Klong Hia Pier, Koh Yao Yai, Phang Nga |
|---|---|
| Arrives | Koh Ngai (Bundhaya stop), Trang |
| Crossing time | 3h 40m – 4h 20m (fastest listed: 3h 40m) |
| Distance | About 54 nautical miles (100 km) |
| Operators | Bundhaya Speed Boat (About 3h 40m) |
| Boats | Speedboat |
| Season | Seasonal: Bundhaya lists Koh Yao Yai → Koh Ngai 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
- 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 link Koh Yao Yai and Koh Ngai with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang, Koh Lipe and the Trang islands)
Return trip: Koh Ngai → Koh Yao Yai: 11:30 → 15:50 (about 4h 20m), 1,850 THB, listed for 15 October – 20 May.
Koh Yao Yai to Koh Ngai ferry: questions
How long is the ferry from Koh Yao Yai to Koh Ngai?
Operators publish 3h 40m – 4h 20m for Koh Yao Yai to Koh Ngai. The sea distance is about 54 nautical miles.
How many ferries a day go from Koh Yao Yai to Koh Ngai?
1 departure was listed for 5 Nov 2026 at 09:20 (checked 2 Nov 2026). The operators’ own timetable: Seasonal (1 November – 4 May): 1 speedboat a day. Departures change with the season, so check the date you want to travel.
Where does the Koh Yao Yai to Koh Ngai ferry leave from?
The main departure point is Klong Hia Pier, Koh Yao Yai; boats arrive at Koh Ngai (Bundhaya stop). The same Bundhaya boats link Koh Yao Yai and Koh Ngai with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang, Koh Lipe and the Trang islands).
How much is the ferry from Koh Yao Yai to Koh Ngai?
On 2 Nov 2026, the booking listing showed fares from €48.98 to €48.98 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 Ngai?
Bundhaya Speed Boat. Bundhaya Speed Boat: Speedboat.
Does the Koh Yao Yai to Koh Ngai ferry run all year?
No, it is seasonal. Bundhaya lists Koh Yao Yai → Koh Ngai 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 Ngai?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Ngai to Koh Yao Yai?
Koh Ngai → Koh Yao Yai: 11:30 → 15:50 (about 4h 20m), 1,850 THB, listed for 15 October – 20 May.
How long does the boat from Koh Yao Yai to Koh Ngai take?
About 3h 40m. Bundhaya’s speedboat leaves Koh Yao Yai at 09:20 and arrives at 13:00 (5 November and 10 December 2026).
When does the Koh Yao Yai to Koh Ngai speedboat run?
Bundhaya lists it for 1 November – 4 May, with one boat 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 25 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, legs, adult fare and season window, queried for 5 Nov and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 25 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, legs, adult fare and season window, queried for 5 Nov and 10 Dec 2026 and 15 Jun 2027.
- bundhayaspeedboat.com, checked 25 Oct 2026: Bundhaya route list: every route it sells, with travel time and starting price (checked 25 Oct 2026).
- Booking partner (12Go) public route page, departures and fares read 2 Nov 2026
Photo: Palm-lined beach and turquoise reef on Koh Ngai, with limestone islets offshore (Siamways, 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 Ngai
- Koh Ngai → Koh Lipefrom 2h 20m · 2 departures · from €42.92 · seasonal
- Koh Ngai → Koh Mookfrom 10 min · 2 departures · from €8.35 · seasonal
- Koh Ngai → Koh Kradanfrom 25 min · 2 departures · from €10.01 · seasonal
- Koh Ngai → Langkawifrom 7h 50m · 2 departures · from €74.18 · seasonal
- Koh Ngai → Koh Bulonefrom 1h 25m · 1 departures · from €31.71
- Koh Ngai → Koh Libongfrom 2h · 1 departures · from €31.79
- Koh Ngai → Koh Yao Noifrom 4h 10m · 1 departures · from €48.98 · seasonal
Other ways to reach Koh Ngai
- Koh Phi Phi → Koh Ngaifrom 1h 30m · 4 departures · from €35.05 · seasonal
- Phuket → Koh Ngaifrom 2h 30m · 3 departures · from €54.47 · seasonal
- Koh Lanta → Koh Ngaifrom 30 min · 2 departures · from €16.69 · seasonal
- Ao Nang → Koh Ngaifrom 2h 50m · 1 departures · from €51.92 · seasonal
- Railay → Koh Ngaifrom 2h 30m · 1 departures · from €50.07 · seasonal
- Koh Jum → Koh Ngaifrom 1h 50m · 1 departures · from €39.21 · seasonal
- Trang → Koh Ngai20m – 1h 45m