Çaylıoğlu is a village in Ayancık District, in Sinop Province, Türkiye. Çaylıoğlu lies at 1 m above sea level, in the Küre mountains. It has 189 inhabitants. The nearest city is Sinop, 54 km to the east. Beaches nearby: Ayancık (7.4 km), Ayancık Köyü (8.6 km), Ali Köyü (13 km).