High Quality Content by WIKIPEDIA articles! Donabate (Irish: Domhnach Bat) is a small suburban coastal town in Ireland, some 20 km north-northeast of Dublin City. The town is situated on a peninsula which it shares with the town of Portrane. This peninsula lies on Ireland`s east coast, between the Rogerstown Estuary to the north and Broadmeadow Estuary to the south. Donabate is in the administrative county of Fingal within the traditional County Dublin.