Portmarnock

Portmarnock Port Mearnóg (Irish)
Suburb (village core)
Portmarnock, Dublin
Portmarnock Location in Ireland
Coordinates: 53.4217°N 6.1372°W / 53.4217; -6.1372
Country	Ireland
Province	Leinster
County	Dublin
Local government area	Fingal
Elevation	3 m (9.8 ft)
Population  (2022)
• Total	10,750
Eircode routing key	D13

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Portmarnock (Irish: Port Mearnóg) is a coastal town in County Dublin, Ireland, north of the city of Dublin, with significant beaches, a modest commercial core and inland residential estates, and two golf courses, including one of Ireland's best known, Portmarnock Golf Club. As of 2022, the population was 10,750, an increase of 13.5% on the 2016 census figure of 9,466.

Portmarnock is also a civil parish in the ancient barony of Coolock. It is in the local government area of Fingal.