When the ancient island city of Cedrai was founded is unknown. It joined the Attica-Delos Maritime league during the Peloponnesian wars in 450 BC. The spartan commander who took the part of Athenians, attacked and conquered the city, and sold of the population as slaves.
Sedir Island, in the Gulf of Gökova, is the ancient Cedrai. Its old city walls, theatre and temples can be visited by driving from Marmaris north to Gelibolu Bay and then crossing by boat. This voyage also offers an unforgettable panoramic view of the mountain scenery across the bay. At the head of the gulf is the village of Gökova Whose houses seem to cascade down the mountainside. Restaurants built over bubbling, fresh water streams that fall from the highlands create an ,unforgettable setting. The towering pines and cool breezes of Gökova Park are often a welcome respite from the hot sun.

The Datça Peninsula provides a natural boundary between the Aegean Sea, the Gulf of Gökova to the north, and the Mediterranean Sea, the Gulf of Hisarönü to the south. Along all the 75 km from Marmaris to Datça, the road winds among trees and hills, permitting lovely views over the expanse of blue. Campers have many perfect settings to choose from; the less adventurous can stay in one of the many comfortable holiday villages. 25 km to Datça is the beautiful Aktur beach. In Datça white-washed buildings hung with bougainvilleas decorate the town. The marina is on the southern bay; while swimmers prefer the northern bay. Around the marina bars, cafes and a wide selection of shops keep the tourist interested. Some shops remain open well into the evening. Relaxing over a pre-dinner drink and then a delicious meal in a welcoming restaurant is a popular way to spend the evening hours. Of course, the local eateries offer both fresh fish and classical Turkish cuisine. With any remaining energy, take a stroll and find a disco to your liking to while away until the early morning hours. 10 km north of Datça, the Körmen Harbour is connected to Bodrum by a daily ferry line.