FerryConnect

Thailand

Koh Jum → Railay

Bundhaya Speed Boat runs a seasonal island-hopping speedboat from Koh Jum to Railay, taking about 40m. In the high season it leaves at 09:30, 14:00; the season starts on 1 November.

Koh Jum to Railay ferry at a glance

The ferry from Koh Jum to Railay takes About 40m across the Andaman Sea, operated by Bundhaya Speed Boat. It is a foot-passenger service; vehicles are not carried. Typical frequency: bundhaya speedboat, 2 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: Railay to Koh Jum

Bundhaya Speed Boat also sails Railay to Koh Jum, taking About 1h. Railay → Koh Jum: 10:30 → 11:10, 13:20 → 14:00 on 10 December 2026 (about 40m).

Ao Nang (Krabi) to Koh Jum ferry guide →

Koh Jum to Railay ferry timetable & sailing pattern

Seasonal (1 November – 4 May and 15 October – 20 May): 2 speedboats a day in December

Bundhaya lists Koh Jum → Railay for 1 November – 4 May and 15 October – 20 May and the return for 15 October – 4 May and 1 November – 4 May.

Published departure times

  • Koh Jum → Railay: 09:30 → 10:10, 14:00 → 14:40 (10 Dec 2026); 14:00 → 14:40 (20 Oct 2026)
  • Railay → Koh Jum: 10:30 → 11:10, 13:20 → 14:00 (10 Dec 2026); 10:30 → 11:10 (20 Oct 2026)

Return: Railay → Koh Jum: 10:30 → 11:10, 13:20 → 14:00 on 10 December 2026 (about 40m).

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 Railay

📐 19 Nautical Miles
Koh Jum⇄Railay
⏱ About 40m · 📐 19 nm
⚡ Instant E-Ticket

Ready to cross from Koh Jum to Railay?

Book your crossing with 12Go: live fares, availability and sailing times.

Operators on This Route

OperatorCrossing TimeVessels
Bundhaya Speed BoatAbout 40mSpeedboat

Route Features

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Vehicles

Foot passengers only

🚶

Foot Passengers

Walk-on passengers welcome

🐕

Pets

No pet facilities

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Distance

19 nautical miles

Getting There & Onward Transport

  • The same Bundhaya boats link Koh Jum and Railay 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 Railay 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.

Frequently Asked Questions

How long does the boat from Koh Jum to Railay take?
About 40m. On 10 December 2026 Bundhaya’s speedboats leave at 09:30 (arriving 10:10) and 14:00 (arriving 14:40).
When does the Koh Jum to Railay speedboat run?
Bundhaya lists it for 1 November – 4 May and 15 October – 20 May. On 20 October 2026 it already ran (14:00 → 14:40). Outside its season the route does not appear in Bundhaya’s booking search.
How much is the speedboat from Koh Jum to Railay?
Bundhaya’s booking system shows 900 THB per adult for 10 December 2026, bought direct from the operator. Prices on partner sites such as 12Go can differ.
How often does the Koh Jum to Railay ferry sail?
Seasonal (1 November – 4 May and 15 October – 20 May): 2 speedboats a day in December. Bundhaya lists Koh Jum → Railay for 1 November – 4 May and 15 October – 20 May and the return for 15 October – 4 May and 1 November – 4 May. This is the pattern published in the Bundhaya Speed Boat booking timetable (operator site) (checked 2026-10-08); confirm exact departure times on the official timetable before you travel.
Which ferry companies sail from Koh Jum to Railay?
Bundhaya Speed Boat operates this route. Compare sailing times and ticket types before booking, as they often differ between operators.
Can I take my car on the Koh Jum to Railay ferry?
No. This is a foot-passenger service and vehicles are not carried. Use parking near the departure pier or public transport to reach it.
Can I take the Koh Jum to Railay ferry as a foot passenger?
Yes. Foot passengers can travel on this route. Allow time to reach the passenger terminal and check the operator’s check-in closing time.
Are dogs and pets allowed on the Koh Jum to Railay ferry?
This route has no dedicated pet facilities. Assistance dogs are normally carried, but confirm with the operator before travelling.
How far is Koh Jum from Railay by ferry?
The sea crossing is about 19 nautical miles (roughly 35 km).