Thailand
Koh Jum → Koh Ngai
Bundhaya Speed Boat runs a seasonal island-hopping speedboat from Koh Jum to Koh Ngai, taking about 1h 50m. In the high season it leaves at 11:10; the season starts on 1 November.
Koh Jum to Koh Ngai ferry at a glance
The ferry from Koh Jum to Koh Ngai takes 1h 50m – 2h 30m 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 2026-10-08.
Sources: bundhayaspeedboat.com · bundhayaspeedboat.com · bundhayaspeedboat.com · How we verify
Return crossing: Koh Ngai to Koh Jum
Bundhaya Speed Boat also sails Koh Ngai to Koh Jum, taking 1h 50m – 2h 30m. Koh Ngai → Koh Jum: 11:30 → 14:00 on 10 December 2026 (about 2h 30m).
Koh Jum to Koh Ngai ferry timetable & sailing pattern
Seasonal (1 November – 4 May): 1 speedboat a day in December
Bundhaya lists Koh Jum → Koh Ngai for 1 November – 4 May and the return for 15 October – 4 May.
Published departure times
- Koh Jum → Koh Ngai: 11:10 → 13:00 (10 Dec 2026)
- Koh Ngai → Koh Jum: 11:30 → 14:00 (10 Dec 2026); 11:30 → 14:00 (20 Oct 2026)
Return: Koh Ngai → Koh Jum: 11:30 → 14:00 on 10 December 2026 (about 2h 30m).
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 2026-10-08.
Maritime Crossing Route Map
Interactive sea passage between Koh Jum and Koh Ngai
Ready to cross from Koh Jum to Koh Ngai?
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Operators on This Route
| Operator | Crossing Time | Vessels |
|---|---|---|
| Bundhaya Speed Boat | About 1h 50m | Speedboat |
Route Features
Vehicles
Foot passengers only
Foot Passengers
Walk-on passengers welcome
Pets
No pet facilities
Distance
22 nautical miles
Getting There & Onward Transport
- The same Bundhaya boats link Koh Jum and Koh Ngai with the other Andaman stops on the line (Phi Phi, Koh Lanta, Railay, Ao Nang and the Trang islands)
Tips for the Koh Jum to Koh Ngai 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.