Sarnıç is a neighborhood in Çine District, in Aydın Province, Türkiye. Sarnıç lies at 633 m above sea level, in the Topçambaba mountains. It has 202 inhabitants. The nearest city is Çine, 7.8 km to the southwest. Among the landmarks around are Alabanda (14.5 km), Nysa on the Maeander (24 km) and Stratonicea (41 km).

Also written Sarnıçköy.