Koh Rong 7-day itinerary

Take the morning speed ferry from Sihanoukville's Serendipity pier to Koh Rong — a 45-minute crossing over the Gulf of Thailand. The ferry docks at Koh Toch village, the island's main (and still very small) tourist hub. Drop your bags at your chosen guesthouse and orient yourself — Koh Toch has a small beach, a cluster of restaurants and bars, dive shops, and the island's only ATM. Pick up any supplies you need before heading out to explore, as facilities outside of Koh Toch are extremely basic.

Take a boat taxi ($5) or walk the jungle trail (45 minutes) to Long Set Beach on the west coast. This 7-kilometre stretch of pristine white sand is the main reason most people come to Koh Rong — it is genuinely one of the most beautiful beaches in Southeast Asia. The sand is fine as flour, the water is bathtub-warm and crystal clear, and the jungle behind is thick and untouched. Find a bungalow or hammock spot, swim, read, and decompress from mainland life. The pace on Koh Rong is wonderfully slow and there is no pressure to do anything but exist.

The beach bungalow restaurants along Long Set serve simple but satisfying meals — grilled fish, fried rice, vegetable curry, and banana pancakes are the staples. Many places set up beach BBQs in the evening where freshly caught fish and squid are grilled over coconut husks on the sand. The island has very little light pollution and the night sky from Long Set Beach is extraordinary — the Milky Way stretches from horizon to horizon and shooting stars are common. Lie on the sand and stargaze while listening to the gentle waves — this is island life at its most elemental.

Head to the southern end of Long Set Beach where a rocky reef extends into deeper water. This is the best shore-accessible snorkelling on Koh Rong with healthy hard and soft coral, lionfish, pufferfish, moray eels, and dense schools of damselfish and butterflyfish. The visibility during the dry season regularly exceeds 10 metres and the water is calm and warm. Spend the morning alternating between the reef and the beach — the snorkelling is easy and suitable for all levels. For the best marine life, swim beyond the shallow rocks to the deeper coral formations.

Spend the afternoon exploring Long Set Beach at your own pace. Walk north along the sand to the less-visited stretches where you can have entire sections of beach to yourself. The jungle treeline is full of coconut palms, sea almond trees, and the occasional hermit crab making its way across the sand. Find a hammock at one of the scattered beach bars, order a fruit shake, and settle into the rhythm of the island. Read a book, journal, or simply watch the waves — Koh Rong rewards those who slow down completely.

After dinner, head to the water's edge for the island's most unforgettable experience — bioluminescent plankton. When darkness is complete (best on moonless nights), walk into the shallows and every step creates an explosion of electric blue light. Swimming creates glowing trails that follow your body through the water. Splash the surface and watch the blue sparks scatter like underwater fireworks. The phenomenon is caused by dinoflagellates — single-celled organisms that produce light when mechanically disturbed. It is completely natural, completely harmless, and completely mind-blowing.

Join a morning two-tank dive trip with a local operator. The dive sites around Koh Rong include Japanese Garden — a gently sloping coral reef with seahorses, nudibranchs, and vibrant soft corals — and deeper offshore reefs where larger marine life patrols. The water temperature is a comfortable 28-30°C year-round so a thin wetsuit or rash guard is sufficient. A two-dive trip for certified divers costs $65-80 including gear. If you have never dived before, discover scuba experiences start at about $80 and include pool training before an open water dive.

After diving, spend the afternoon at Koh Toch village recovering with food and rest. The small cluster of restaurants serves both Khmer and international food — try the fish amok (Cambodia's national dish, a coconut curry steamed in banana leaf) or a simple fried rice with egg. Browse the handful of shops selling island essentials, hammock-weave bracelets, and basic snorkel gear. If you have energy, walk to the small headland south of Koh Toch for elevated views back over the village and out to Koh Rong Samloem, the quieter neighbouring island visible across the channel.

Koh Toch's small but lively bar scene is the social hub of Koh Rong. The waterfront bars serve cheap Angkor beer ($1-2), cocktails, and buckets while fire dancers perform on the beach after dark. The crowd is an international mix of backpackers, dive instructors, and expats — conversation flows easily and the atmosphere is friendly and unpretentious. The Nest Beach Club plays electronic music and attracts a younger crowd, while the quieter bars further from the pier offer hammocks and reggae for a more relaxed vibe.

Hike the cross-island jungle trail from the main pier area to Sok San village on the east coast. The 40-60 minute trail passes through dense tropical forest alive with the sounds of insects, birds, and cracking branches from macaques in the canopy. The vegetation is thick — massive dipterocarp trees, wild banana plants, and tangled vines. Sok San is a traditional Khmer fishing village of about 500 people where wooden stilt houses line the waterfront and fishing nets dry on the shore. Visit the village temple, watch the fish being sorted at the dock, and see a side of Cambodia that has nothing to do with tourism.

Sok San Beach on the east coast is a quieter alternative to Long Set Beach with a different character — the sand is slightly coarser, the water is shallower, and the view looks east over the channel to the mainland coast. A handful of basic bungalow operations have set up here, catering to travellers who want even more seclusion than the west coast offers. Swim, sunbathe, and enjoy the solitude — on a weekday you may be the only visitor on the entire beach. The local fishermen sometimes sell fresh seafood at the waterfront which the bungalow restaurants will cook for you.

Return to the west coast via the jungle trail in time for sunset. Climb the small hill behind Koh Toch village for an elevated view over the bay and offshore islands as the sun drops into the Gulf of Thailand. The sky turns dramatic shades of orange and pink reflected in the calm water below. Head down for dinner at one of the Khmer restaurants — the seafood fried rice and tom yum soup are consistently good and cost $3-5. End the evening in a hammock on the beach with a cold drink, listening to the waves.

Take a morning boat taxi or local ferry to Koh Rong Samloem — Koh Rong's smaller, quieter sister island, 20 minutes south across the channel. Saracen Bay on the east coast is the main beach — a perfect horseshoe of white sand fringed by coconut palms with calm, shallow water ideal for swimming. The island has fewer facilities and visitors than Koh Rong, making it feel even more remote and unspoiled. The water clarity here is exceptional — you can see the sandy bottom in 5 metres of water from the beach.

Walk or boat around to Lazy Beach on the south coast of Koh Rong Samloem — a secluded bay with just one small resort and some of the best snorkelling accessible from shore in the entire archipelago. The reef here is healthy and diverse with hard table corals, brain corals, and an impressive variety of tropical fish. Bamboo sharks rest on the sandy bottom in the shallows and clownfish nestle in their anemone homes along the reef edge. The beach itself is tiny and intimate — white sand, clear water, and jungle on all sides.

Take the boat back to Koh Rong in the late afternoon and spend a quiet evening on Long Set Beach. The contrast between the two islands is interesting — Koh Rong Samloem is even more raw and undeveloped, while Koh Rong has just enough infrastructure to be comfortable without losing its wild character. Grab dinner at your favourite beach spot and watch the stars come out. If conditions are right, walk to the water for another session with the bioluminescent plankton — it never gets old, no matter how many times you see it.

Walk south from Koh Toch to Police Beach — a pretty sheltered bay with clear snorkelling water and a handful of beach bars. From the southern end of Police Beach, scramble along the rocky coastline to find a series of tiny hidden coves that most visitors never discover. These pocket-sized beaches are completely private on most days — perfect for swimming, snorkelling, and feeling like a castaway. The rock formations between the coves are fascinating, shaped by millennia of waves into arches, overhangs, and tide pools teeming with crabs and small fish.

Rent a sea kayak from one of the beach operations and paddle along the west coast of Koh Rong. The coastline from the water is stunning — unbroken jungle rising from white sand beaches, rocky headlands with crashing waves, and small coves accessible only by boat. Paddle south from Long Set Beach and you will find deserted stretches of sand where you can pull up the kayak and swim without another person in sight. The water is usually calm in the dry season and the paddling is easy and meditative. Look out for sea eagles hunting above the treeline and fish jumping in the shallows.

Return the kayak and find a spot on Long Set Beach for the sunset — the west coast faces directly into the setting sun and the display is consistently spectacular. Several beach bungalow restaurants set up evening BBQs where fresh fish, squid, and prawns are grilled over coals on the sand. Sit on a beach cushion with a plate of grilled seafood, a cold beer, and the afterglow of the sunset painting the sky in fading pastels. Koh Rong's simplicity is its greatest charm — no fancy restaurants, no nightclubs, just sand, sea, and honest food.

Wake early for a final sunrise swim on Long Set Beach. The east-facing sunrise illuminates the jungle canopy behind the beach in golden light while the water takes on a glassy, mirror-like quality in the still morning air. Walk the full length of the beach one last time — 7 kilometres of uninterrupted white sand that in a few years may look very different as development creeps in. For now, Koh Rong remains one of Southeast Asia's last truly wild island beaches. Take your time and commit the feeling to memory.

Spend your final morning snorkelling the reef one last time or simply lying on the beach soaking up the last of the island atmosphere. Pack up your belongings and walk or boat back to Koh Toch village for the ferry departure. Grab lunch at one of the village restaurants — a final fish amok and iced coffee make a fitting farewell meal. Browse the small souvenir stalls for handmade bracelets and coconut crafts. Say goodbye to the dive instructors, bar staff, and fellow travellers who have made your island week memorable.

Catch the afternoon ferry back to Sihanoukville and reflect on a week spent on one of Southeast Asia's most beautiful and unspoiled islands. Koh Rong is changing rapidly — new resorts and an international airport are planned — so the raw, wild character you experienced may not last forever. From Sihanoukville you can bus to Phnom Penh (5 hours), Kampot (3 hours), or continue exploring the Cambodian coast. Alternatively, night buses run directly to Bangkok and Ho Chi Minh City for those continuing their Southeast Asia journey.