Arwad Castle is one of the most important historical monuments that characterize the city of Tartus, which is described as one of the most important ancient historical castles, located in the center of Arwad Island. It was designed based on an architectural and engineering approach commensurate with the necessities of marine and war life in the ancient time, and its military method of construction shows its great contribution that helped protect the island, and its important defensive role during wars and repeated invasions in the ancient time. The castle is perched on a large natural rock, which is entered by an indirect side staircase for the military necessities at the time. Today, many restorations have been made in it and it has become the golden record of the island.