Arwad island is a small piece of land at 3 km distance from shore of Syrian coast at Tartous city. Brave people go by swimming from the south of the city to the island where it is the shortest distance. The port where boats collect people to island is at 6 km distance.
And this is the castle, which is old, built in ancient times, and used French during colonial times as prison for independence seekers. Now it is a museum, and popular destination like Syria's other castles.
In the middle of the sea: