Koh Kong Island – Cambodia’s largest island at 103 km² – is the coastline the country forgot to develop. While Koh Rong battles party boats and Sihanoukville drowns in casinos, this granite giant off Koh Kong Province remains almost untouched: seven virgin beaches, jungle tumbling straight to turquoise water, and not a single resort tower in sight. In 2025, with only three eco-lodges and a daily boat limit of 200 visitors, it’s the closest you’ll get to owning a private tropical island without buying one.
The Seven Beaches – Choose Your Paradise
- Alatang Beach (north tip) – 4 km of powder-white sand backed by primary rainforest. The only place with accommodation (Nomad’s Land bungalows).
- Koh Sralao Beach – perfect half-moon bay with bioluminescent plankton that lights up like blue fire when you swim at night.
- Secret Beach #3 – no official name, only reachable by 20-minute jungle trek from Alatang. Locals call it “the beach with the heart-shaped rock.”
- Coral Beach – best snorkelling on the island, shallow reef just 10 metres offshore teeming with parrotfish and giant clams. 5–7. The southern trio – reachable only by private longtail, often completely empty even in peak season.
Where to Stay – Three Eco-Lodges Only
- Nomad’s Land (Alatang) – solar-powered bamboo bungalows US$80–150/night, all meals included
- Koh Kong Island Resort (northwest) – new in 2025, 12 over-water villas US$200–350
- The Castaway (southern beach) – rustic Robinson Crusoe huts US$40/night, bring your own beer
Maximum 60 guests total on the entire island – that’s it.
The 2025 Experiences Most Visitors Miss
- Night snorkelling with bioluminescent plankton – the water explodes in blue stars when you move
- Jungle trek to the island’s interior waterfall – 2-hour guided hike ending in a freshwater pool
- Fishing with the Chong minority – spend a morning with indigenous fishermen using traditional bamboo traps
- Sunrise from the abandoned lighthouse – 30-minute climb for 360° views of the Cardamoms meeting the sea
How to Get There
- Speedboat from Koh Kong town pier: 90 minutes, US$25 return (departs 8:30 a.m., returns 3:30 p.m.)
- Private longtail charter: US$100–150/day for total freedom
- Stay overnight: most lodges include transfers
Practical Tips
- No ATMs, no 4G (only weak Wi-Fi at Nomad’s Land)
- Bring cash, reef-safe sunscreen, and a good book
- December–April = calmest seas, May–October = dramatic storms and fewer people
Koh Kong Island isn’t trying to be the next Koh Rong. It’s the anti-Koh Rong – no bars, no parties, no concrete. Just seven perfect beaches, jungle that smells like cardamom at dawn, and the sound of waves on sand that hasn’t felt a human footprint in days. In a country rapidly developing its coast, this is the last place where “untouched” still means something. Come before the secret spreads. Or better yet – keep it to yourself.