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Gulf of Thailand · Runs all year

Koh Samui to Khao Sok ferry

1 ferry departure is listed from Koh Samui to Khao Sok on Thursday 5 November at 08:30, run by Lomprayah. The fastest takes 5h; operators publish About 5h 10m (bus + boat). Boats leave from Nathon Pier, Koh Samui and arrive at Khao Sok (Boonsiri van station).

  • Fastest 5h
  • 1 departures listed
  • 1 operator
  • From €33.14
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✓ Checked 2 Nov 2026 against 3 sources

Updated 2 Nov 2026 · Sources · How we check

Book Koh Samui → Khao Sok

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Fares from €33.14 per person, seen 2 Nov 2026

  • E-ticket on your phone
  • 1 operators, 1 departures listed
  • Fastest crossing 5h
  • ★ 4.4/5 from 254 traveller reviews of this route on our booking partner
Operators on this route
LomprayahBoonsiri High Speed Ferries
Crossing timefrom 5h
On the waterHigh-speed catamaran, Coach / van
DepartsNathon Pier, Koh Samui
ArrivesKhao Sok (Boonsiri van station)

Koh Samui to Khao Sok 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.

06:0009:0012:0015:0018:0021:00
1 departures between 08:30 and 08:30
Depart → arriveOperator & piersTimeFareBook
08:30 → 13:30 Lomprayah
Lomprayah Nathon Pier → Khao Sok Bus Station		 5h €33.14 Book

Operator timetable

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

  • 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)

Source: Boonsiri High Speed Catamaran timetable (operator), checked 25 Oct 2026.

Route facts

DepartsNathon Pier, Koh Samui, Surat Thani
ArrivesKhao Sok (Boonsiri van station), Surat Thani
Crossing timeAbout 5h 10m (bus + boat) (fastest listed: 5h)
DistanceAbout 19 nautical miles (35 km)
OperatorsBoonsiri High Speed Ferries (About 5h 10m door to door)
BoatsHigh-speed catamaran, Coach / van
SeasonRuns all year
VehiclesPassengers only
SeaGulf of Thailand
Koh Samui Khao Sok
Nathon Pier, Koh Samui → Khao Sok (Boonsiri van station) · about 19 nautical miles. Straight line between piers, not the sailing track. Coastline: Natural Earth.
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Before you travel

Good to know

  • 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.

Getting to and from the pier

  • 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

Return trip: 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: questions

How long is the ferry from Koh Samui to Khao Sok?

Operators publish About 5h 10m (bus + boat) for Koh Samui to Khao Sok. The sea distance is about 19 nautical miles.

How many ferries a day go from Koh Samui to Khao Sok?

1 departure was listed for 5 Nov 2026 at 08:30 (checked 2 Nov 2026). The operators’ own timetable: 1 joint bus + boat departure a day (Boonsiri timetable, 1 October 2026 – 31 May 2027). Departures change with the season, so check the date you want to travel.

Where does the Koh Samui to Khao Sok ferry leave from?

The main departure point is Nathon Pier, Koh Samui; boats arrive at Khao Sok (Boonsiri van station). Boonsiri also sells the trip on to the Ratchaprapha Dam pier (Cheow Lan Lake) at 10:20, arriving 15:00 (฿1,550).

How much is the ferry from Koh Samui to Khao Sok?

On 2 Nov 2026, the booking listing showed fares from €33.14 to €33.14 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 Koh Samui to Khao Sok?

Lomprayah and Boonsiri High Speed Ferries. Boonsiri High Speed Ferries: High-speed catamaran, Coach / van.

Does the Koh Samui to Khao Sok ferry run all year?

The sources we checked list it as a year-round service. 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 Koh Samui to Khao Sok?

No. This is a passenger service; vehicles are not carried.

How do I get back from Khao Sok to Koh Samui?

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

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.

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.

  • boonsiriferry.com, checked 25 Oct 2026: Boonsiri High Speed Catamaran timetable (operator site), high-season tables effective 1 October 2026 – 31 May 2027: departure, arrival and fare per departure point.
  • boonsiriferry.com, checked 25 Oct 2026: Boonsiri route list: bus, van and catamaran services it runs.
  • Booking partner (12Go) public route page, departures and fares read 2 Nov 2026

Photo: A longtail boat on the shore of Cheow Lan Lake in Khao Sok National Park, below limestone cliffs (SupawatR, Wikimedia Commons, CC BY-SA 4.0).

🙏 Spotted something out of date? Tell us at sawadee@thaiferries.co and we’ll check it.

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