Ballycastle is a small seaside town in County Antrim, Northern Ireland. It is on the north-easternmost coastal tip of Ireland, in the Antrim Coast a…Ballycastle is a small seaside town in County Antrim, Northern Ireland. It is on the north-easternmost coastal tip of Ireland, in the Antrim Coast and Glens Area of Outstanding Natural Beauty. Ballycastle lies at roughly the mid point of the Causeway Coastal Route and is a gateway to both the Glens of Antrim and the North Coast. With a number of attractions on the town's doorstep such as the Giant's Causeway, Carrick-a-Rede Rope Bridge and the Dark Hedges it is a popular destination and stopping point for tourists. The town also benefits from a sweeping bay and beach on its eastern side, with views to Fair Head and Knocklayde mountain dominating the landscape.