Phnom Penh → Sihanoukville (230 km, 4-5h): Giant Ibis bus (USD 8-12) or Cambodia Angkor Air flight (40 min, USD 60-90 return).
Phnom Penh → Kampot/Kep (150 km, 3-4h): Giant Ibis bus (USD 8-10), private taxi (USD 60-80).
Sihanoukville → Koh Rong / Koh Rong Samloem: fast ferry from Serendipity Beach port (Speed Ferry Cambodia, Buva Sea) — 45 min to Koh Rong, 1h to Koh Rong Samloem, USD 25-30 return. Several departures per day in high season.
Kampot → Kep (35 km, 45 min): tuk-tuk USD 8-12 (negotiated), shared minivan USD 3-5.
On the islands: everything is done on foot. In Kampot and Kep: tuk-tuks for rides (USD 1-3 in town, USD 8-15 for pepper plantations or Bokor), motorcycle/scooter rental (USD 5-8/day).
Read also
- Koh Rong — The paradise island of the Gulf of Thailand: 7 km Koh Toch beach, bioluminescent plankton, backpacker bungalows.
- Cambodia — Complete country guide: visa, currency, regions, best time to visit.
- Siem Reap and Angkor — The Angkor archaeological site (UNESCO) — to combine with the south coast.
- Phnom Penh and the South — The capital and the south-east — access to the islands goes through Phnom Penh or Sihanoukville.