five. Otres Seashore: It's a quiet and tranquil Beach front located a couple of kilometers down from Sihanoukville, great for peace and sunbathing.3. Otres Seashore - A tranquil and fewer crowded choice to the favored Serendipity Beach front, Otres Seashore is ideal for All those seeking a relaxing crack. The beach is lined with dining establishmen