Marmaris Archaeology Museum; thought to have been constructed by the Ionians, this small castle on the hill was repaired during the time of Alexander the Great. It's widened and repaired again by Kanuni Sultan Suleyman the Magnificent 1522, during which time his 200,000 troops attacked and seized the island of Rhodes.
The castle opened as a museum in 1991, after restorations that took ten years. It's seven galleries and has a collection of archaeological, historical, ethnographic and nautical exhibits. The views of the city are wonderful, with a wonderful panorama day and night.
Marmaris Castle's nationalized on 1979 and restored between 1980 and 1990. Marmaris Museum's facilitated within Marmaris Castle, and opened for visitors officially on XVIII. May, 1991. There're seven galleries within castle, two of these are used as warehouses. One gallery is Archeological pieces of arts hall. III. gallery, which is ethnographic hall is organized as Türk house. IV. gallery is organized as the room of Castle Commander. There is also an exhibition hall within the museum.