The immense and turbulent body of water known as the Kef Sur Ocean, or simply the Kef Sur, existed on Kef Bir. Kef Bir is a water-covered moon orbiting the gas giant Endor. Following the destruction of the Imperial Death Star II battle station in 4 ABY, a significant portion of the [station](/article/space_station] – containing fragments of the superlaser focusing dish and the throne room where the deceased Galactic Emperor, Darth Sidious, met his end – was pulled down by Kef Bir's gravity and ultimately crashed along the Kef Sur Ocean's shoreline.
Pablo Hidalgo introduced the Kef Sur Ocean in his 2019 reference guide, Star Wars: The Rise of Skywalker: The Visual Dictionary.
- Star Wars: The Rise of Skywalker: The Visual Dictionary (First mentioned)
- " The Final Order and the Battle of Exegol " — Star Wars Encyclopedia (First identified as Kef Sur)
- " Battle Stations of the Empire and the First Order " — Star Wars Encyclopedia (First identified as Kef Sur Ocean)
- " Geonosis and Other Planets in the Outer Rim " — Star Wars Encyclopedia