İshakça is a village in Cide District, in Kastamonu Province, Türkiye. İshakça lies at 327 m above sea level, in the Küre mountains. It has 234 inhabitants. The nearest city is Kastamonu, 74 km to the southeast. Among the landmarks around are Carambis (14.8 km) and Kerempe Lighthouse (14.2 km).