Koh Preab, Khmer: កោះព្រាប, "Dove Island", named "Île du Départ" during the French colonial period is an island of Cambodia, situated in the Bay of Kompong Saom Sihanoukville Province near its south-eastern coast. This small island has been integrated into the local harbor's breakwater just north of the Sihanoukville Autonomous Port. The estimated terrain elevation above sea level is 3 meters. A unit of the Royal Cambodian Navy is based on the island.