Andaman Sea · Seasonal
Railay to Koh Ngai ferry
1 ferry departure is listed from Railay to Koh Ngai on Thursday 5 November at 10:30, run by Bundhaya Speed Boat. The fastest takes 2h 30m; operators publish About 2h 30m. Boats leave from Railay East floating pier and arrive at Koh Ngai. Seasonal: Bundhaya lists Railay → Koh Ngai for 1 November – 4 May and the return for 15 October – 20 May.
- Fastest 2h 30m
- 1 departures listed
- 1 operator
- From €50.07
✓ Checked 2 Nov 2026 against 4 sources
Updated 2 Nov 2026 · Sources · How we check
Book Railay → Koh Ngai
E-tickets from trusted operators, with live seats and prices.
Fares from €50.07 per person, seen 2 Nov 2026
- E-ticket on your phone
- 1 operators, 1 departures listed
- Fastest crossing 2h 30m
High season: boats on popular Andaman Coast routes can sell out in December, January and around holidays. Book a day or more ahead.
Railay 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 |
|---|---|---|---|---|
| 10:30 → 13:00 | Bundhaya Speed Boat Railay East Pier → Koh Ngai Resort | 2h 30m | €50.07 | Book |
Getting to Railay East floating pier? Taxi and transfer options from Krabi airport, Krabi
Operator timetable
Seasonal (1 November – 4 May): 1 speedboat a day in December
Bundhaya lists Railay → Koh Ngai for 1 November – 4 May and the return for 15 October – 20 May.
- Railay → Koh Ngai: 10:30 → 13:00 (10 Dec 2026)
- Koh Ngai → Railay: 11:30 → 14:40 (10 Dec 2026)
Source: Bundhaya Speed Boat booking timetable (operator site), checked 8 Oct 2026.
Route facts
| Departs | Railay East floating pier, Krabi |
|---|---|
| Arrives | Koh Ngai, Trang |
| Crossing time | About 2h 30m (fastest listed: 2h 30m) |
| Distance | About 41 nautical miles (76 km) |
| Operators | Bundhaya Speed Boat (2h 30m) |
| Boats | Speedboat |
| Season | Seasonal: Bundhaya lists Railay → 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
- From Koh Ngai, Bundhaya’s boats continue to Koh Mook, Koh Kradan and Koh Lipe
Return trip: Koh Ngai → Railay: 11:30 → 14:40 on 10 December 2026 (about 3 hours 10 minutes).
Railay to Koh Ngai ferry: questions
How long is the ferry from Railay to Koh Ngai?
Operators publish About 2h 30m for Railay to Koh Ngai. The sea distance is about 41 nautical miles.
How many ferries a day go from Railay to Koh Ngai?
1 departure was listed for 5 Nov 2026 at 10:30 (checked 2 Nov 2026). The operators’ own timetable: Seasonal (1 November – 4 May): 1 speedboat a day in December. Departures change with the season, so check the date you want to travel.
Where does the Railay to Koh Ngai ferry leave from?
The main departure point is Railay East floating pier; boats arrive at Koh Ngai. From Koh Ngai, Bundhaya’s boats continue to Koh Mook, Koh Kradan and Koh Lipe.
How much is the ferry from Railay to Koh Ngai?
On 2 Nov 2026, the booking listing showed fares from €50.07 to €50.07 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 Railay to Koh Ngai?
Bundhaya Speed Boat. Bundhaya Speed Boat: Speedboat.
Does the Railay to Koh Ngai ferry run all year?
No, it is seasonal. Bundhaya lists Railay → 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 Railay to Koh Ngai?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Ngai to Railay?
Koh Ngai → Railay: 11:30 → 14:40 on 10 December 2026 (about 3 hours 10 minutes).
How long does the boat from Railay to Koh Ngai take?
About 2 hours 30 minutes. On 10 December 2026 Bundhaya’s speedboat leaves at 10:30 (arriving 13:00).
When does the Railay to Koh Ngai speedboat run?
Bundhaya lists it for 1 November – 4 May. There were no sailings on 20 October 2026; in December there is 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 8 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 20 Oct and 10 Dec 2026.
- bundhayaspeedboat.com, checked 8 Oct 2026: Bundhaya booking search (operator site, served by its own booking API): departure and arrival times, adult fare and season window, queried for 20 Oct and 10 Dec 2026.
- bundhayaspeedboat.com, checked 8 Oct 2026: Bundhaya route list: every route it sells, with travel time and starting price (checked 8 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 Railay
- Railay → Koh Yao Noifrom 30 min · 6 departures · from €17.22 · seasonal
- Railay → Koh Yao Yaifrom 40 min · 5 departures · from €17.22 · seasonal
- Railay → Koh Lipefrom 5h · 1 departures · from €60.93 · seasonal
- Railay → Koh Mookfrom 2h 50m · 1 departures · from €52.19 · seasonal
- Railay → Koh Kradanfrom 3h 10m · 1 departures · from €52.19 · seasonal
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
- Koh Jum → Koh Ngaifrom 1h 50m · 1 departures · from €39.21 · seasonal
- Koh Yao Yai → Koh Ngaifrom 3h 40m · 1 departures · from €48.98 · seasonal
- Trang → Koh Ngai20m – 1h 45m