On fifth day of the blue cruise, the boat goes to Kekova ruins and Sunken City. A swimming break and lunch in Tersane Bay where you can see the ruins of Romain Shipyard and Byzantium Church. The biggest island of Turkey’s Mediteranean Coast, Kekova Island lies parallel to the shore off the Teke Peninsula. There is an apse of a Byzantine church in Tersane Bay on Kekova Island. The region starting from Tersane Bay till the coast of Kekova Island facing Kalekoy contains many ruins of a sunken settlement and is an unique area for underwater archeology lovers. After Sunken City, the boats set to sail to Gokkaya for dinner and overnight stay.