Koh Thmei

The Southern Islands

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The large island of Koh Thmei is part of Ream National Park. It was once slated for a major development, including a bridge to the mainland, but as projects elsewhere have taken priority, this bird-laden island has remained miraculously pristine. There’s only one resort on the island, the expat-managed Koh Thmei Resort.

To get to Koh Thmei, make your way to Bat Kokir (Ou Chamnar), on NH4 about 12km east of Sihanoukville airport. All buses heading to or from Sihanoukville pass by Bat Kokir. Next, hire a moto (US$2) to take you 10km to the fishing village of Koh Kchhang. From here, Koh Thmei Resort can arrange private transport to the island, or negotiate in the village if you want to explore the island on your own.

Lonely Planet's must-see attractions

  • Cua Can Beach

    Cua Can Beach

    15.9 MILES

    The most accessible of the northern beaches, Cua Can is about 11km from Duong Dong. It remains mercifully quiet during the week, but can get busy at…

  • Kayaks and water bicycle on Long Beach.

    Long Beach

    22.21 MILES

    Long Beach is draped invitingly along the west coast from Duong Dong to An Thoi. Development concentrates in the north, near Duong Dong, where the…

  • Tourists on Otres Beach

    Otres Beach

    16.87 MILES

    Past the southern end of Ochheuteal Beach, beyond the Phnom Som Nak Sdach (Hill of the King’s Palace) headland, lies stunning Otres Beach, a seemingly…

  • PHU QUOC, VIETNAM - 2006/02/10: Fish Sauce Nưoc Mam Vats -Besides fishing, fish sauce - a popular form of seasoning in Southeast Asian food, is the other main source of income on Phu Quoc island. Giant vats of fish sauce, such as these, are used for fermentation before bottling.. (Photo by John S Lander/LightRocket via Getty Images)

    Fish Sauce Factory

    21.55 MILES

    The distillery of Nuoc Mam Hung Thanh is the largest of Phu Quoc’s fish-sauce makers, a short walk from the market in Duong Dong. At first glance, the…

  • Jungle landscape with flowing water at deep tropical rain forest. National Park Phu Quoc Vietnam.

    Phu Quoc National Park

    17.86 MILES

    About 70% of Phu Quoc is forested and the trees and adjoining marine environment enjoy official protection. This is the last large stand of forest in the…

  • A taxi boat that returns visitors to the mainland.

    Lamherkay Beach

    21.51 MILES

    About 1.5km southwest of Victory Beach, next to a shady grove, is Lamherkay Beach, also known as Hawaii Beach. Koh Pos (Snake Island), the island 800m…

  • Serendipity Beach in Sihanoukville, Cambodia

    Ochheuteal Beach

    19.15 MILES

    This 4km-long beach qualifies as Sihanoukville’s main beach, but it's no place to swim these days as the rapid development of high-rise casinos along its…

  • Tranh Waterfall (Suoi Tranh)

    Suoi Da Ban

    26.23 MILES

    Suoi Da Ban is a white-water creek tumbling across some attractive large granite boulders. There are deep pools and it’s nice enough for a dip. Bring…

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Nearby The Southern Islands attractions

1. Dai Beach

10.46 MILES

A relatively isolated northern beach that retains its remote tropical charm.

2. Ream Beach

11.34 MILES

Lined with barbecue shacks, this is not Ream's prettiest beach but this is the main jumping-off point for boats to Koh Ta Kiev. It's the first beach you…

3. Vung Bau Beach

13.36 MILES

This is an appealing northern beach accessible via the coastal road. The waves are rough and it's a little neglected, with rubbish in parts, but it means…

4. Cua Can Beach

15.9 MILES

The most accessible of the northern beaches, Cua Can is about 11km from Duong Dong. It remains mercifully quiet during the week, but can get busy at…

5. Otres 2 Beach

15.96 MILES

The most southern section of Otres Beach, known as Otres 2, is mainly the domain of Chinese developers these days, with a few Western-oriented holdouts.

6. Otres Beach

16.87 MILES

Past the southern end of Ochheuteal Beach, beyond the Phnom Som Nak Sdach (Hill of the King’s Palace) headland, lies stunning Otres Beach, a seemingly…

7. Otres 1 Beach

16.94 MILES

Otres 1 is the first stretch of sand along Otres Beach. It's changing fast as Chinese companies take over from predominantly Western-owned businesses and…

8. Kbal Chhay Cascades

17.64 MILES

Thanks to their appearance in Pous Keng Kong (The Giant Snake; 2000), one of the most successful Cambodian films of the post-civil-war era, these cascades…

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