Koycegiz Gulf is located 15 miles to east of the entrance of Marmaris Bay. Ekincik Bay with a small yacht marina is located of north of Ekincik bay. There are many anchorages in Ekincik Bay and on the west side of Koicegiz Bay.
In the eastern part of the Koycegiz Gulf is the river delta Dalyan with the famous beach where sea turtles lay their eggs. Excursions along the Dalyan River to the ancient city of Kaunas by small Turkish boats are also very popular.