Andaman Sea · Seasonal
Railay to Koh Yao Yai ferry
5 ferry departures are listed from Railay to Koh Yao Yai on Thursday 5 November, between 09:20 and 13:00, run by Green Planet, Bundhaya Speed Boat, Koh Yao Sun Smile and Supaporn Speedboat. The fastest takes 40 min; operators publish 1h 10m – 1h 40m (return 1h 10m). Boats leave from Railay East floating pier and arrive at Klong Hia Pier, Koh Yao Yai. Seasonal: Bundhaya lists Railay → Koh Yao Yai for 15 October – 20 May and 1 November – 4 May and the return for 15 October – 4 May and 1 November – 4 May.
- Fastest 40 min
- 5 departures listed
- 4 operators
- From €17.22
✓ Checked 2 Nov 2026 against 4 sources
Updated 2 Nov 2026 · Sources · How we check
Book Railay → Koh Yao Yai
E-tickets from trusted operators, with live seats and prices.
Fares from €17.22 per person, seen 2 Nov 2026
- E-ticket on your phone
- 4 operators, 5 departures listed
- Fastest crossing 40 min
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 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.
| Depart → arrive | Operator & piers | Time | Fare | Book |
|---|---|---|---|---|
| 09:20 → 10:50 | EarliestCheapestGreen Planet Floating Pier East Railay → Klong Hia Pier Koh Yao Yai | 1h 30m | €17.22 | Book |
| 10:10 → 11:20 | Bundhaya Speed Boat Railay East Pier → Koh Yao Yai Klong Hia Pier | 1h 10m | €17.22 | Book |
| 11:40 → 12:40 | Koh Yao Sun Smile Floating Pier East Railay → Chong Lard Pier Koh Yao Yai | 1h | €18.15 | Book |
| 12:50 → 13:30 | FastestGreen Planet Floating Pier East Railay → Klong Hia Pier Koh Yao Yai | 40 min | €17.22 | Book |
| 13:00 → 14:10 | Last boatSupaporn Speedboat Floating Pier East Railay → Klong Hia Pier | 1h 10m | €17.22 | Book |
Getting to Railay East floating pier? Taxi and transfer options from Krabi airport, Krabi
Operator timetable
Seasonal (15 October – 20 May and 1 November – 4 May): 2 boats a day
Bundhaya lists Railay → Koh Yao Yai for 15 October – 20 May and 1 November – 4 May and the return for 15 October – 4 May and 1 November – 4 May.
- Railay → Koh Yao Yai: 10:10 → 11:50, 14:40 → 15:50 (5 Nov and 10 Dec 2026)
- Koh Yao Yai → Railay: 09:20 → 10:30, 12:10 → 13:20 (5 Nov and 10 Dec 2026)
Source: Bundhaya Speed Boat booking timetable (operator site), checked 26 Oct 2026.
Route facts
| Departs | Railay East floating pier, Krabi |
|---|---|
| Arrives | Klong Hia Pier, Koh Yao Yai, Phang Nga |
| Crossing time | 1h 10m – 1h 40m (return 1h 10m) (fastest listed: 40 min) |
| Distance | About 17 nautical miles (31 km) |
| Operators | Bundhaya Speed Boat (1h 10m – 1h 40m) |
| Boats | Speedboat |
| Season | Seasonal: Bundhaya lists Railay → Koh Yao Yai for 15 October – 20 May and 1 November – 4 May and the return for 15 October – 4 May and 1 November – 4 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 Railay and Koh Yao Yai with Phuket, Phi Phi, Koh Lanta, Ao Nang, Railay, Koh Lipe and the Trang islands
Return trip: Koh Yao Yai → Railay: 09:20 → 10:30, 12:10 → 13:20 (1h 10m), 800 THB, listed for 15 October – 4 May and 1 November – 4 May.
Railay to Koh Yao Yai ferry: questions
How long is the ferry from Railay to Koh Yao Yai?
Operators publish 1h 10m – 1h 40m (return 1h 10m) for Railay to Koh Yao Yai. On the booking listing for 5 Nov 2026, crossings ranged from 40 min to 1h 30m, depending on the boat and the stops it makes. The sea distance is about 17 nautical miles.
How many ferries a day go from Railay to Koh Yao Yai?
5 departures were listed for 5 Nov 2026, the first at 09:20 and the last at 13:00 (checked 2 Nov 2026). The operators’ own timetable: Seasonal (15 October – 20 May and 1 November – 4 May): 2 boats a day. Departures change with the season, so check the date you want to travel.
Where does the Railay to Koh Yao Yai ferry leave from?
The main departure point is Railay East floating pier; boats arrive at Klong Hia Pier, Koh Yao Yai. Some operators use other piers: Floating Pier East Railay and Railay East Pier. Your ticket names 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.
How much is the ferry from Railay to Koh Yao Yai?
On 2 Nov 2026, the booking listing showed fares from €17.22 to €18.15 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 Yao Yai?
Green Planet, Bundhaya Speed Boat, Koh Yao Sun Smile and Supaporn Speedboat. Bundhaya Speed Boat: Speedboat.
Does the Railay to Koh Yao Yai ferry run all year?
No, it is seasonal. Bundhaya lists Railay → Koh Yao Yai for 15 October – 20 May and 1 November – 4 May and the return for 15 October – 4 May and 1 November – 4 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 Yao Yai?
No. This is a passenger service; vehicles are not carried.
How do I get back from Koh Yao Yai to Railay?
Koh Yao Yai → Railay: 09:20 → 10:30, 12:10 → 13:20 (1h 10m), 800 THB, listed for 15 October – 4 May and 1 November – 4 May.
How long does the boat from Railay to Koh Yao Yai take?
1h 10m – 1h 40m. Bundhaya’s speedboats leave Railay at 10:10 and 14:40 (10:10 → 11:50, 14:40 → 15:50, 5 November and 10 December 2026).
When does the Railay to Koh Yao Yai speedboat run?
Bundhaya lists it for 15 October – 20 May and 1 November – 4 May, 2 boats 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: 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.
More ferries from Railay
- Railay → Koh Yao Noifrom 30 min · 6 departures · from €17.22 · seasonal
- Railay → Koh Lipefrom 5h · 1 departures · from €60.93 · seasonal
- Railay → Koh Ngaifrom 2h 30m · 1 departures · from €50.07 · 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 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
- Koh Lanta → Koh Yao Yaifrom 2h 20m · 3 departures · from €33.62 · seasonal
- Koh Tao → Koh Yao Yaifrom 15h 30m · 2 departures · from €45.83
- 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