About this landmark
Koh Thmei is a small but breathtaking island located off the southern coast of Cambodia, part of the Ream National Park. This serene island is a haven for nature lovers, providing a unique blend of lush tropical forests and pristine beaches. The crystal-clear waters surrounding the island teem with marine life, making it an ideal spot for underwater exploration.
Visitors to Koh Thmei will be enchanted by the island's untouched beauty, characterized by dense mangroves and diverse wildlife including several species of rare birds. The tranquility of the environment offers an escape from the bustle of modern life, making it a must-visit for those seeking respite in nature. The island is home to a small eco-resort committed to preserving the natural habitat, ensuring minimal impact on the delicate ecosystem.
The biodiversity on Koh Thmei is particularly noteworthy, with over 150 species of birds and numerous types of tropical fish. The surrounding coral reefs provide excellent opportunities for snorkeling and diving, while the interior jungle invites exploration. Though the island lacks modern amenities, its unspoiled landscapes provide a unique opportunity to experience Cambodia’s natural beauty in its purest form.
Adventure Guide
Adventure Guide To Koh Thmei
Snorkeling and Diving
- Location: Waters around Koh Thmei
- Special Features: Vibrant coral reefs and abundant marine life
- Local Insights: The best snorkeling spots are on the eastern coast, where visibility is high.
- Visitor Tips:
- Best Times to Visit: November to April for calm waters and clear visibility.
- What to Bring: Snorkel gear, reef-safe sunscreen.
Bird Watching
- Location: Koh Thmei's interior jungle and coastlines
- Special Features: Over 150 species of birds
- Local Insights: Early mornings are best for spotting rare species.
- Visitor Tips:
- Best Times to Visit: Early morning or late afternoon.
- What to Bring: Binoculars, guidebook on local bird species.
Jungle Trekking
- Location: Trails through the interior of Koh Thmei
- Special Features: Dense mangroves, exotic flora, and fauna
- Visitor Tips:
- Best Times to Visit: Dry season for safer and easier trekking conditions.
- What to Bring: Lightweight hiking boots, plenty of water, insect repellent.
Getting There
- Travel from Sihanoukville, approximately 1.5 hours by boat.
Visitor Tips
- Best Times:November to April for favorable conditions and optimal lighting.
- What to Bring:Plenty of water, sun protection, a camera, and respectful Leave-No-Trace mindset.












