There are many historical sites to visit in Kas, and Antiphilos is one of them, as Kas was built on its ruins. Although not much ruins remain at Antiphilos, its most famous landmark, the Hellenistic Theatre, still stands. The theater is characterized by a large view of the sea coast, you can sit on one of its steps, and enjoy the picturesque sea view from the stands of the unique theater, built of limestone. You can also stroll through the narrow lanes, and see the ruins of a small temple, as well as a number of rock tombs.