Koh Puos: Cambodia’s Quiet Island Escape Near Sihanoukville

Why Koh Puos Stands Out

Koh Puos sits just off the coast of Preah Sihanouk Municipality, a short boat ride from Sihanoukville. Its modest size keeps crowds thin compared with larger neighbors like Koh Rong. Visitors find clean sandy stretches, shallow snorkeling spots, and a relaxed pace without resorts or heavy development.

Getting There

Most travelers depart from Sihanoukville’s main pier or Victory Beach. Local long-tail boats make the crossing in roughly 30 to 45 minutes depending on sea conditions. Arrange transport through guesthouses or independent operators the day before; departures are typically morning and early afternoon. Return boats follow similar schedules, so note the last departure time before heading out.

Best Time to Visit

The dry season from November through April brings calmer seas and clearer water ideal for swimming and snorkeling. May to October sees more rain and occasional rough passages, though the island remains accessible on many days. Weekdays are quieter than weekends when local visitors arrive.

Things to Do on Koh Puos

Swim and relax on the main beach facing the mainland. Snorkel along the rocky points where small schools of fish gather around scattered coral heads. Walk the short inland trails that cross low scrub and offer views back toward Sihanoukville’s skyline. Some visitors combine the trip with a stop at nearby islets for additional snorkeling.

Marine Life and Snorkeling

Expect parrotfish, angelfish, and occasional sea cucumbers in the shallows. Visibility is best on calm mornings. Bring your own mask and snorkel or rent simple sets from boat operators. Avoid touching coral and watch for strong currents near the headlands.

Nearby Attractions

After returning to Sihanoukville, explore the quieter stretches of Otres Beach or visit Ream National Park for mangrove boat tours. The island itself pairs well with a half-day visit to Koh Ta Kiev or Koh Preab for variety on longer itineraries.

Practical Considerations

There are no large restaurants or shops on Koh Puos. Carry water, snacks, and a hat. Shade is limited outside the tree line, so plan accordingly. Mobile coverage is spotty once you leave the mainland.