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Gulf of Thailand · Runs all year

Koh Samui to Ao Nang ferry

Koh Samui to Ao Nang takes About 5h 10m (bus + boat) by high-speed catamaran with Boonsiri High Speed Ferries. Boats leave from Nathon Pier, Koh Samui and arrive at Ao Nang (Boonsiri hotel drop-off).

  • Crossing About 5h 10m (bus + boat)
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✓ Checked 2 Nov 2026 against 3 sources

Updated 2 Nov 2026 · Sources · How we check

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Operators on this route
Boonsiri High Speed Ferries

Return trip: Ao Nang → Koh Samui

Crossing timeAbout 5h 10m (bus + boat)
On the waterHigh-speed catamaran, Coach / van
DepartsNathon Pier, Koh Samui
ArrivesAo Nang (Boonsiri hotel drop-off)

Operator timetable

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

  • Koh Samui → Ao Nang: 10:20 → 15:30 (฿1,100)
  • Ao Nang (hotel pick-up) → Koh Samui (Nathon Pier): 09:00 → 14:15 (฿1,100)

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

Route facts

DepartsNathon Pier, Koh Samui, Surat Thani
ArrivesAo Nang (Boonsiri hotel drop-off), Krabi
Crossing timeAbout 5h 10m (bus + boat)
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 Ao Nang
Nathon Pier, Koh Samui → Ao Nang (Boonsiri hotel drop-off) · 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’s timetable also lists hotel pick-up and drop-off versions of many of these trips at a higher fare

Return trip: Ao Nang (hotel pick-up) → Koh Samui (Nathon Pier): 09:00 → 14:15, ฿1,100 on Boonsiri’s timetable.

Koh Samui to Ao Nang ferry: questions

How long is the ferry from Koh Samui to Ao Nang?

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

How often does the Koh Samui to Ao Nang boat run?

1 joint bus + boat departure a day (Boonsiri timetable, 1 October 2026 – 31 May 2027) (Boonsiri High Speed Catamaran timetable (operator), checked 25 Oct 2026).

Where does the Koh Samui to Ao Nang ferry leave from?

The main departure point is Nathon Pier, Koh Samui; boats arrive at Ao Nang (Boonsiri hotel drop-off). Boonsiri’s timetable also lists hotel pick-up and drop-off versions of many of these trips at a higher fare.

Which companies run ferries from Koh Samui to Ao Nang?

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

Does the Koh Samui to Ao Nang 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 Ao Nang?

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

How do I get back from Ao Nang to Koh Samui?

Ao Nang (hotel pick-up) → Koh Samui (Nathon Pier): 09:00 → 14:15, ฿1,100 on Boonsiri’s timetable.

How long does it take from Koh Samui to Ao Nang?

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 Ao Nang joint ticket?

฿1,100 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 Ao Nang 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 the Krabi coast, ending with a drop-off at Ao Nang hotels.

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: Ao Nang Beach with longtail boats offshore and limestone cliffs at its western end, Krabi (kallerna, Wikimedia Commons, CC BY-SA 3.0).

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

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