FerryConnect

Thailand

Koh Samui → Khao Sok

Boonsiri sells a joint bus-and-boat ticket from Koh Samui to Khao Sok: one departure a day (10:20 → 15:30), by Boonsiri boat from Nathon to Donsak, then by van to Khao Sok village. One ticket covers the boat and the road legs; fares start at ฿1,250.

⏱ About 5h 10m (bus + boat)🚢 1 operator📅 Boonsiri joint ticket: 1 departure a day (10:20)
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Koh Samui to Khao Sok ferry at a glance

The ferry from Koh Samui to Khao Sok takes About 5h 10m (bus + boat) across the Gulf of Thailand, operated by Boonsiri High Speed Ferries. It is a foot-passenger service; vehicles are not carried. Typical frequency: boonsiri joint ticket: 1 departure a day (10:20).

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: boonsiriferry.com · boonsiriferry.com · How we verify

Return crossing: Khao Sok to Koh Samui

Boonsiri High Speed Ferries also sails Khao Sok to Koh Samui, taking About 5h 10m (bus + boat). Khao Sok (van station or hotel) → Koh Samui (Nathon Pier): 09:00 → 14:15, ฿1,250 on Boonsiri’s timetable.

Koh Samui to Khao Sok ferry timetable & sailing pattern

1 joint bus + boat departure a day (Boonsiri timetable, 1 October 2026 – 31 May 2027)

Published departure times

  • Koh Samui → Khao Sok: 10:20 → 15:30 (฿1,250)
  • Khao Sok (van station or hotel) → Koh Samui (Nathon Pier): 09:00 → 14:15 (฿1,250)

Return: Khao Sok (van station or hotel) → Koh Samui (Nathon Pier): 09:00 → 14:15, ฿1,250 on Boonsiri’s timetable.

Timetables change by season and date. Check exact departures for your travel date on the official timetable.

Official Boonsiri High Speed Ferries timetable →Check prices & book on 12Go →

Source: Boonsiri High Speed Catamaran timetable (operator). Verified 2026-10-25.

Maritime Crossing Route Map

Interactive sea passage between Koh Samui and Khao Sok

📐 19 Nautical Miles
Koh Samui⇄Khao Sok
⏱ About 5h 10m (bus + boat) · 📐 19 nm
© OpenFreeMap / OSM
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Operators on This Route

OperatorCrossing TimeVessels
Boonsiri High Speed FerriesAbout 5h 10m door to doorHigh-speed catamaran, Coach / van

Route Features

🚗

Vehicles

Foot passengers only

🚶

Foot Passengers

Walk-on passengers welcome

🐕

Pets

No pet facilities

📐

Distance

19 nautical miles

Getting There & Onward Transport

  • Boonsiri also sells the trip on to the Ratchaprapha Dam pier (Cheow Lan Lake) at 10:20, arriving 15:00 (฿1,550)
  • Khao Sok village is at the entrance to Khao Sok National Park

Tips for the Koh Samui to Khao Sok Crossing

  • One Boonsiri ticket covers the boat and the road legs; times are from its timetable for 1 October 2026 – 31 May 2027, so check the operator’s site before travelling. Boonsiri asks passengers to check in 30 minutes before departure.

Related Ferry Crossings

Also sails from Koh SamuiSurat Thani (Donsak) → Koh Samui45m – 1h 30m · Seatran Ferry, Raja Ferry, LomprayahAlso sails from Koh SamuiKoh Samui → Koh Phangan20m – 1h · Lomprayah, Seatran Discovery, Boonsiri High Speed Ferries, Songserm, Raja FerryAlso sails from Koh SamuiKoh Samui → Koh Tao1h 25m – 2h 30m (longer with a change on Koh Phangan or on the slow ferry) · Lomprayah, Boonsiri High Speed Ferries, SongsermAlso sails from Koh SamuiChumphon → Koh Samui3h 45m – 4h 45m · Lomprayah, Boonsiri High Speed FerriesAlso sails from Koh SamuiSurat Thani → Koh Samui1h 30m – 2h · LomprayahAlso sails from Koh SamuiBangkok → Koh Samui14h – 14h 15m (bus + boat) · Lomprayah
⛴ All ferries from Koh Samui⛴ All ferries from Khao Sok🌊 Gulf of Thailand ferries🗺 All ferries in Thailand🔎 Search all routes

Frequently Asked Questions

How long does it take from Koh Samui to Khao Sok?
About 5h 10m on Boonsiri’s joint ticket: 10:20 → 15:30. Times from Boonsiri’s timetable for 1 October 2026 – 31 May 2027.
How much is the Koh Samui to Khao Sok joint ticket?
฿1,250 per person on Boonsiri’s timetable (1 October 2026 – 31 May 2027); prices on partner sites such as 12Go can differ.
Is Koh Samui to Khao Sok a direct ferry?
No. It is a combined boat and bus (or van) trip on one Boonsiri ticket, by Boonsiri boat from Nathon to Donsak, then by van to Khao Sok village.
What time does the Khao Sok to Koh Samui trip leave?
Boonsiri’s timetable lists Khao Sok (van station or hotel) → Koh Samui (Nathon Pier): 09:00 → 14:15 (฿1,250).
How often does the Koh Samui to Khao Sok ferry sail?
1 joint bus + boat departure a day (Boonsiri timetable, 1 October 2026 – 31 May 2027). This is the pattern published in the Boonsiri High Speed Catamaran timetable (operator) (checked 2026-10-25); confirm exact departure times on the official timetable before you travel.
Which ferry companies sail from Koh Samui to Khao Sok?
Boonsiri High Speed Ferries 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 Samui to Khao Sok 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 Samui to Khao Sok 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 Samui to Khao Sok ferry?
This route has no dedicated pet facilities. Assistance dogs are normally carried, but confirm with the operator before travelling.
How far is Koh Samui from Khao Sok by ferry?
The sea crossing is about 19 nautical miles (roughly 35 km).