Portmarnock () is a coastal town in
County Dublin
County Dublin ( or ) is a Counties of Ireland, county in Republic of Ireland, Ireland, and holds its capital city, Dublin. It is located on the island's east coast, within the Provinces of Ireland, province of Leinster. Until 1994, County Dubli ...
, Ireland, north of the city of
Dublin
Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...
, with significant beaches, a modest commercial core and inland residential estates, and two golf courses, including one of Ireland's best-known golf clubs. , 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 England, a civil parish is a type of administrative parish used for local government. It is a territorial designation which is the lowest tier of local government. Civil parishes can trace their origin to the ancient system of parishes, w ...
in the ancient
barony Barony may refer to:
* Barony, the peerage, office of, or territory held by a baron
* Barony, the title and land held in fealty by a feudal baron
* Barony (county division), a type of administrative or geographical division in parts of the British ...
of
Coolock. It is in the
local government area
A local government area (LGA) is an administrative division of a country that a local government is responsible for. The size of an LGA varies by country but it is generally a subdivision of a federated state, state, province, division (politica ...
of
Fingal
Fingal ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Leinster and is part of the Eastern and Midland Region. It is one of three successor counties to County Dublin, which ...
.
Location
Portmarnock lies on the coast between
Malahide and
Baldoyle. Portmarnock could also be said to border, at sea,
Sutton
Sutton (''south settlement'' or ''south town'' in Old English) may refer to:
Places
United Kingdom
England
In alphabetical order by county:
* Sutton, Bedfordshire
* Sutton, Berkshire, a List of United Kingdom locations: Stu-Sz#Su, location
* S ...
and perhaps
Howth
Howth ( ; ; ) is a peninsular village and outer suburb of Dublin, Republic of Ireland, Ireland. The district as a whole occupies the greater part of the peninsula of Howth Head, which forms the northern boundary of Dublin Bay, and includes the ...
in the form of
Ireland's Eye. Its major beach, the Velvet Strand, is monitored by a lifeguard during the summer season from early April to the start of October.
Velvet Strand, Portmarnock beach

Adjacent to Portmarnock is a narrow beach which extends onto a sandy peninsula with beaches on all sides. Portmarnock's beach is nicknamed the Velvet Strand due to the smooth sand along the beach, and is popular with wind- and kite-surfers.

The beach was the starting point for two important pioneering flights. On 23 June 1930, Australian aviator
Charles Kingsford Smith and his crew took off in the
''Southern Cross'' on the second westbound transatlantic flight (to
Newfoundland
Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the population ...
), after which they continued on to
Oakland, California
Oakland is a city in the East Bay region of the San Francisco Bay Area in the U.S. state of California. It is the county seat and most populous city in Alameda County, California, Alameda County, with a population of 440,646 in 2020. A major We ...
, completing a circumnavigation of the world. The first ''solo'' westbound transatlantic flight began from Portmarnock beach when
Jim Mollison, a British pilot, took off in a
de Havilland Puss Moth on 18 August 1932 bound for
Pennfield Ridge, New Brunswick, Canada.
The sculpture Eccentric Orbit (by
Rachel Joynt and
Remco de Fouw, erected 2002) on the seafront is of limestone, bronze and stainless steel. The needle points to the North Star, an age-old navigation point. The sculpture commemorates the epic flights of the ''Southern Cross'' (the second non-stop east–west North Atlantic flight, in 1930), the ''Heart's Content'' (the first east–west non-stop solo North Atlantic flight, 1932) and the abandoned solo North-Atlantic flight of ''Faith in Australia'' (1933).
Portmarnock is home to one of the 29
Napoleonic Martello Towers in the Greater Dublin Area.
Etymology and history
The district's name derives from the Irish word ''port'' – meaning "port" – and
Saint Marnoch or Mernoc, said
to have arrived in what is now Portmarnock in the fifth century AD.
The area had been settled in
Neolithic
The Neolithic or New Stone Age (from Ancient Greek, Greek 'new' and 'stone') is an archaeological period, the final division of the Stone Age in Mesopotamia, Asia, Europe and Africa (c. 10,000 BCE to c. 2,000 BCE). It saw the Neolithic Revo ...
times, as evidenced by flints and other tools excavated on the northern fringe of Portmarnock and the remains of a ring fort visible from the air at the south of the town. The son of Queen Maedhbh of
Connaught – Maine – is also said to have been buried locally.
During the
Irish War of Independence
The Irish War of Independence (), also known as the Anglo-Irish War, was a guerrilla war fought in Ireland from 1919 to 1921 between the Irish Republican Army (1919–1922), Irish Republican Army (IRA, the army of the Irish Republic) and Unite ...
,
Michael Collins stayed at the Portmarnock house of
Moya Llewelyn Davies, using it as a
safe house
A safe house (also spelled safehouse) is a dwelling place or building whose unassuming appearance makes it an inconspicuous location where one can hide out, take shelter, or conduct clandestine activities.
Historical usage
It may also refer to ...
.
In February 1988,
An Garda Siochana discovered a
Provisional IRA
The Provisional Irish Republican Army (Provisional IRA), officially known as the Irish Republican Army (IRA; ) and informally known as the Provos, was an Irish republican paramilitary force that sought to end British rule in Northern Ireland ...
arms cache at Station Road. 30
AK-47
The AK-47, officially known as the Avtomat Kalashnikova (; also known as the Kalashnikov or just AK), is an assault rifle that is chambered for the 7.62×39mm cartridge. Developed in the Soviet Union by Russian small-arms designer Mikhail Kala ...
s, 3 machine gun
tripod
A tripod is a portable three-legged frame or stand, used as a platform for supporting the weight and maintaining the stability of some other object. The three-legged (triangular stance) design provides good stability against gravitational loads ...
s, 12
RPG
RPG may refer to:
Military
* Rocket-propelled grenade, a shoulder-launched anti-tank weapon
**''Ruchnoi Protivotankoviy Granatomyot'' (Russian: ''Ручной Противотанковый Гранатомёт''), hand-held anti-tank grenade laun ...
s, 31,000
rounds of ammunition and 227 kg of
Semtex
Semtex is a general-purpose plastic explosive containing RDX and PETN. It is used in commercial blasting, demolition, and in certain military applications.
Semtex was developed and manufactured in Czechoslovakia, originally under the name B 1 a ...
was discovered.
Transport
Portmarnock is on the
northern commuter railway line out of Dublin (also the
Dublin–Belfast main line);
Portmarnock railway station, opened on 25 May 1844 upon the opening of the
Dublin and Drogheda Railway
Dublin and Drogheda Railway (D&D) was a railway company in Ireland which publicly opened its 31¾ mile main line between Dublin and Drogheda in May 1844. It was the third railway company in Ireland to operate passenger trains and the first to use ...
, and is now on the
DART network. The village is served by
Dublin Bus
Dublin Bus () is an Irish State-owned enterprise, state-owned bus operator providing services in Dublin. By far the largest bus operator in the city, it carried 145 million passengers in 2023. It is a subsidiary of CIÉ, Córas Iompair Éireann ...
routes 32, 32X, 42, 42N (Nitelink) and 142 and
Go-Ahead Ireland
Go-Ahead Transport Services (Dublin) Limited, trading as Go-Ahead Ireland, is a bus operator in Dublin that commenced trading in September 2018. It is a subsidiary of the Go-Ahead Group.
History
With the aim of improving efficiency, in 2015 t ...
routes 102 and its a/c/p/t branches. Owing to its proximity to
Dublin
Dublin is the capital and largest city of Republic of Ireland, Ireland. Situated on Dublin Bay at the mouth of the River Liffey, it is in the Provinces of Ireland, province of Leinster, and is bordered on the south by the Dublin Mountains, pa ...
city, it is a form of
dormitory village north-northeast of the city centre.
Education
There are two primary schools – St. Marnock's and St. Helen's – and also a secondary school,
Portmarnock Community School.
Religion
Situated on the coast of Portmarnock are the ruins of the old Saint Marnock's Church, with an adjacent cemetery. Today, Portmarnock holds a
Roman Catholic
The Catholic Church (), also known as the Roman Catholic Church, is the largest Christian church, with 1.27 to 1.41 billion baptized Catholics worldwide as of 2025. It is among the world's oldest and largest international institut ...
parish and the church of St Anne.
The
Church of Ireland
The Church of Ireland (, ; , ) is a Christian church in Ireland, and an autonomy, autonomous province of the Anglican Communion. It is organised on an all-Ireland basis and is the Christianity in Ireland, second-largest Christian church on the ...
parish of Portmarnock was united with
Malahide in 1873, and the newer St Marnock's Church, consecrated in 1790, operated up until 1960; parishioners are now served by churches in Malahide and north of Balgriffin.
Sport
Portmarnock is famous for the world-class golf course at
Portmarnock Golf Club, which formally opened on 26 December 1894. Occupying much of the sandy
peninsula
A peninsula is a landform that extends from a mainland and is only connected to land on one side. Peninsulas exist on each continent. The largest peninsula in the world is the Arabian Peninsula.
Etymology
The word ''peninsula'' derives , . T ...
to the south of the village, the club has hosted many golf tournaments, including the 1960 Canada Cup (now known as the World Cup), the 1991
Walker Cup
The Walker Cup is a golf trophy contested in odd-numbered years by leading male amateur golfers in two teams: United States, and Great Britain and Ireland featuring players from the United Kingdom and Ireland. The official name is the Walker Cup ...
and the
Irish Open on many occasions. Another links course, part of the Portmarnock Hotel and Golf Links complex, that opened in the 1990s, was designed by German golfer
Bernhard Langer
Bernhard Langer (; born 27 August 1957) is a German professional golfer. He is a two-time Masters champion and was one of the world's leading golfers throughout the 1980s and 1990s. In 1986, he became the sport's first number one ranked playe ...
. That golfing hotel is built around St. Marnock's, the former home of a branch of the
Jameson distilling family, which had its own private golf course. St. Marnock's was largely built in the late 1890s to the designs of British architect
Sir Robert Lorimer.
Naomh Mearnóg is the local
Gaelic Athletic Association
The Gaelic Athletic Association (GAA; ; CLG) is an Irish international amateur sports, amateur sporting and cultural organisation, focused primarily on promoting indigenous Gaelic games and pastimes, which include the traditional Irish sports o ...
club.
Other local sports clubs include Portmarnock Tennis Club, Portmarnock A.F.C., AUL Premier A side Seaview Celtic F.C., and the Portmarnock Sport & Leisure Club, which encompasses 16 sporting activities and has a swimming pool with some public access hours.
Portmarnock Pitch & Putt Club was founded in 1958 and moved to its current location in 1961. It has been affiliated with the
Pitch and Putt Union of Ireland since its foundation in 1961 and is currently a members club with over 400 adult and 120 under-16 members in 2023.
Representation
Portmarnock lies in the
Dublin Fingal Dáil constituency and in the modern administrative county of
Fingal
Fingal ( ; ) is a Counties of Ireland, county in Republic of Ireland, Ireland. It is in the Provinces of Ireland, province of Leinster and is part of the Eastern and Midland Region. It is one of three successor counties to County Dublin, which ...
. Before 2016 it was in the
Dublin North-East constituency.
Notable people
*
Eamonn Andrews, broadcaster, lived in Portmarnock from 1969 to his death in 1987
*
Joanna Donnelly, weather forecaster, resident
*
Oisin Fagan, Irish boxer, lived in Portmarnock
*
Ian Garry, mixed martial artist and former Cage Warriors welterweight champion, was born and grew up in Portmarnock
*
Brian McFadden, musician and former Westlife singer, lived in Portmarnock until 2004, when he emigrated to the UK with his Australian then-fiancée
Delta Goodrem
Delta Lea Goodrem Order of Australia, AM (born 9 November 1984) is an Australian singer, songwriter, television personality and actress based in Sydney. Goodrem signed a recording contract with Sony Music at the age of 15. Her debut studio album ...
*
Laurence O'Neill, Lord Mayor of Dublin, Senator and TD.
*
Stephen Ward, international footballer, grew up in Portmarnock
*
Marty Whelan, radio and television personality, lived with his family in Portmarnock for 25 years before relocating to the nearby village of
Malahide
Twinning
Portmarnock is
twinned with the following places:
*
Hlalele Secondary School,
Maseru District
Maseru is a Districts of Lesotho, district of Lesotho. Maseru is also the name of the district's capital city, capital, and is the only city in the district and also the capital of the country. It is the largest urban area in the country, and the ...
, Lesotho
See also
*
List of towns and villages in Ireland
References
External links
Portmarnock Community Informationvisitportmarnock.ie
{{Fingal
Beaches of Fingal
Towers in the Republic of Ireland