Seatran Ferry

Seatran Ferry runs the hourly ferry between its Donsak pier and Nathon on Koh Samui (05:00–19:00 each way, 1 hour 30 minutes) and five daily sailings each way between Donsak and Thong Sala on Koh Phangan (2 hours 30 minutes). Under the Seatran Discovery name it sells high-speed boats from Bangrak on Samui to Thong Sala, and its booking site also resells Boonsiri, Songserm and Haadrin Queen trips.

Seatran Ferry routes

• Koh Samui → Koh Phanganfrom 20 min · 27 departures · from €5.30
• Surat Thani (Donsak) → Koh Samuifrom 45 min · 7 departures · from €7.07
• Donsak → Koh Phanganfrom 1h 15m · 7 departures · from €9.08

Sources

• seatrandiscovery.com, checked 4 Oct 2026: Seatran booking search (route details endpoint), queried for 10 Oct 2026: Bangrak – Thong Sala 08:00, 09:30, 12:30, 14:30 (back 10:30, 11:00, 16:00, 16:45); Seatran Ferry Nathon – Donsak hourly 05:00–19:00 both ways (1h 30m).
• seatranferry.com, checked 4 Oct 2026: Returned HTTP 503 on 4 Oct 2026; schedules taken from the Seatran booking site seatrandiscovery.com.