Dereköy is a neighborhood in Ortaca District, in Muğla Province, Türkiye. Dereköy lies in the Güre Dağı mountains. It has 357 inhabitants. The nearest city is Ortaca, 4.2 km to the northeast. Beaches nearby: Iztuzu Beach (9.6 km), Sarıgerme (13 km), Sarıgerme (13 km). Among the landmarks around are Kaunos (9.1 km), Calynda (12.7 km) and Passanda (5.1 km).