Kinsale is a historic port and fishing town in County Cork, Ireland. Located approximately 25 km south of Cork City on the southeast coast near t…Kinsale is a historic port and fishing town in County Cork, Ireland. Located approximately 25 km south of Cork City on the southeast coast near the Old Head of Kinsale, it sits at the mouth of the River Bandon, and has a population of 5,991 which increases in the summer when tourism peaks. The town is in a civil parish of the same name.