Marmaris Castle is nationalized in 1979, and restored between 1980 and 1990. Marmaris Museum, is facilitated within Marmaris Castle, and opened to visitors officially on 18 May 1991. There are seven galleries within castle, two of these are used as warehouses. One gallery is Archeological pieces of arts hall. Third gallery, which is ethnographic hall is organized as Turk house. Fourth gallery is organized as the room of Castle Commander. There is also an exhibition hall within the museum.