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Finding a clean and unspoiled beach (apart from private Sokha Beach) is challenging in Sihanoukville, but can be found a couple of hours away on the islands, Koh Rong Sanloem and Koh Rong. Sihanoukville in 2024 is mostly used by travelers as a hub to go to the islands. Daily ferries can take you there from Sihanoukville tourist pier, the best option is with GTVC as they have the best and most boats, running to the island 4 times a day at 08:00, 11:00, 14:00 and 16:00. There are other ferry companies such as Buva Sea, Speed Ferry Cambodia or Island Speed Ferry Cambodia.
Amazing 4-km-long stretch of clean, white sands. Far less crowded and more relaxed than other beaches in Sihanoukville. Every season more and more beach bars and guesthouses pop up along the beach. Tourists will find accommodation in rooms or bungalows (prices ranging from US$5-30), e.g., Cinderella Beach Bungalows, Castaways Beach Bar and Bungalows. Like most of Sihanoukville's budget accommodation, no air-con is available in Otres Beach lodgings, except for the Secret Garden Resort, at the far end of "Old Otres" (Otres 2). Otres Beach is a great place for lazy sunbathing, but other activities also available (catamarans, windsurfing, kayaks, various boat trips, bicycles.) Unlike Serendipity Beach, marijuana and marijuana-based baked goods are openly and safely smoked and sold at the beach side bars/guesthouses and on the beach itself, which is now attracting a young Western crowd to the area. A second part of Otres Beach about a 5-10 min tuk-tuk ride away, referred to as "Otres 2", has several guesthouses open and is beginning to attract tourists looking for an even less crowded beach than the relaxed main strip of Otres Beach. Otres 2 is far less developed and less crowded, but offers only minimal activities and locations. There are no stores of any kind in Otres 2, though in the main strip of Otres 1 there's a bank machine. Adjoining that on the road in from Occhuteal is a Khmer village with various stores and a few Khmer restaurants; with a small, modern convenience store on the side road out of the village that leads to and from Occhuteal. Otres has a different climate than Snooky; it may be sunny all day when downtown Sihanoukville and the other beaches are raining and flooding. It's also known in the area as having the best sunset, and people staying in closer beaches often drive out to watch it from there (with few vendors or other harassment unlike closer to the city). Otres is fairly large away from the beach; side roads lead to other areas inland, including along the small river that flows through the broad prairie that lies inland from the beach strip. Along it, another village lies, and a few small resorts, and during high season, a small public market with entertainment. There's a couple of resorts and bars there, including a funky westerner-run backpackery bar and stage, and another more modern one with dining room and also a stage. The river can be navigated by kayak, and fish from it is part of the menu among local Khmer. The beach at Otres is very shallow for a couple of hundred meters out, or more, depending on the tide. The bottom is soft sand and clean and when there are no waves very safe for children and novice swimmers.
A waterfall approximately 7 km from the city of Sihanoukville and then a further 9 km along a red dust track. Popular swimming area, families come to spend the day, many food stalls, rest houses and other facilities line the stream. The swimming is the attraction more than the waterfall so don't expect much nature at the stream.