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Portmarnock is a coastal suburban town in Fingal, Ireland. It is also a civil parish in the ancient barony of Coolock.LocationPortmarnock lies on the coast between Malahide and Baldoyle, along the northern commuter railway line out of Dublin (also the Dublin-Belfast line); Portmarnock railway station opened on 25 May 1844, is now on the DART network. The village is served by Dublin Bus routes 102, 32, 32X, 42, 42N (Nitelink) and 142. Owing to its proximity to Dublin city, it is a form of dormitory village 15km north-northeast of the city centre. In the 2002 census the population was 8,975 and by 2011 had climbed to 9,285.At sea, Portmarnock could be said to border Sutton and perhaps Howth in the form of Ireland's Eye. The beach is monitored by a life guard during the summer season from early April to the start of October.Portmarnock lies in the Dublin North-East Dáil Éireann constituency and in the modern administrative county of Fingal.Portmarnock is in County Dublin. Plan your visit to Portmarnock and other destinations in Ireland using our Ireland trip itinerary planner.
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