Thailand
Koh Yao Yai → Koh Kradan
Bundhaya Speed Boat runs a seasonal island-hopping speedboat from Koh Yao Yai to Koh Kradan, leaving Klong Hia at 09:20 and arriving at 13:40 (about 4h 20m). Bundhaya lists the route for 1 November – 4 May.
Koh Yao Yai to Koh Kradan ferry at a glance
The ferry from Koh Yao Yai to Koh Kradan takes 4h 20m – 5h across the Andaman Sea, operated by Bundhaya Speed Boat. It is a foot-passenger service; vehicles are not carried. Typical frequency: bundhaya speedboat, once a day each way in the high season.
Crossing times and frequencies are typical figures and vary by season. Confirm the current timetable with the operator or booking partner before you travel. Route facts last reviewed 2026-10-25.
Sources: bundhayaspeedboat.com · bundhayaspeedboat.com · bundhayaspeedboat.com · How we verify
Return crossing: Koh Kradan to Koh Yao Yai
Bundhaya Speed Boat also sails Koh Kradan to Koh Yao Yai, taking 4h 20m – 5h. Koh Kradan → Koh Yao Yai: 10:50 → 15:50 (about 5h), 2,000 THB, listed for 15 October – 20 May.
Koh Yao Yai to Koh Kradan ferry timetable & sailing pattern
Seasonal (1 November – 4 May): 1 speedboat a day
Bundhaya lists Koh Yao Yai → Koh Kradan for 1 November – 4 May and the return for 15 October – 20 May.
Published departure times
- Koh Yao Yai → Koh Kradan: 09:20 → 13:40 (5 Nov and 10 Dec 2026)
- Koh Kradan → Koh Yao Yai: 10:50 → 15:50 (5 Nov and 10 Dec 2026)
Return: Koh Kradan → Koh Yao Yai: 10:50 → 15:50 (about 5h), 2,000 THB, listed for 15 October – 20 May.
Timetables change by season and date. Check exact departures for your travel date on the official timetable.
Official Bundhaya Speed Boat timetable →Check prices & book on 12Go →Source: Bundhaya Speed Boat booking timetable (operator site). Verified 2026-10-25.
Maritime Crossing Route Map
Interactive sea passage between Koh Yao Yai and Koh Kradan
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Operators on This Route
| Operator | Crossing Time | Vessels |
|---|---|---|
| Bundhaya Speed Boat | About 4h 20m | Speedboat |
Route Features
Vehicles
Foot passengers only
Foot Passengers
Walk-on passengers welcome
Pets
No pet facilities
Distance
62 nautical miles
Getting There & Onward Transport
- The same Bundhaya boats link Koh Yao Yai and Koh Kradan with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang, Koh Lipe and the Trang islands)
Tips for the Koh Yao Yai to Koh Kradan Crossing
- 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.