Things to do at the beach and in the water.
Snorkeling
The waters around Koh Rong, Koh Rong Samloem, and Koh Ta Kiev offer Cambodia's best snorkeling with coral gardens and colorful fish. Visibility is best November to May when seas are calmer.
Best at: Saracen Bay on Koh Rong Samloem and Sok San Beach on Koh Rong
Scuba Diving
Cambodia's islands offer beginner-friendly dive sites at 12-25 meter depths with hard and soft coral, reef fish, and occasional whale sharks in season. PADI certification courses available.
Best at: Koh Rong and Koh Rong Samloem — several dive schools based in Long Set Beach village
Bioluminescent Night Swimming
Swimming at night through the bioluminescent plankton creates a magical blue glow around your body. Best experienced on dark moonless nights from October to March on Koh Rong.
Best at: Long Set Beach, Koh Rong, and Koh Ta Kiev
Kayaking
Single and double kayaks available for rent at most beaches to explore sea caves, mangroves, and nearby islets. Koh Rong's coastline has excellent kayaking with calm sheltered bays.
Best at: Otres Beach, Saracen Bay, and Koh Ta Kiev
Island Hopping
Speedboat and longtail boat tours connect the main Cambodian islands, allowing a full day visiting multiple beaches, snorkel spots, and fishing villages in one trip.
Best at: Departs from Sihanoukville pier — visits Koh Rong, Koh Rong Samloem, and Koh Ta Kiev