Seapoint is a small seafront area between Blackrock and Monkstown

Monkstown, Dublin

Monkstown , historically known as Carrickbrennan , is an area in south Dublin, located in Dun Laoghaire-Rathdown County, Ireland. It is on the coast, between Blackrock and Dún Laoghaire...

 in Dublin in the Dún Laoghaire

Dun Laoghaire-Rathdown

Dún Laoghaire–Rathdown is a county in Ireland. It is one of three smaller counties into which County Dublin was divided in 1994. Located to the south-east of Dublin city, its county seat is the town of Dún Laoghaire. It is one of the four constituent parts of the Dublin Region...

 local authority area. It is best known for its beach and bathing areas, beside a Martello Tower

Martello tower

Martello towers are small defensive forts built in several countries of the British Empire during the 19th century, from the time of the Napoleonic Wars onwards....

 on the Dublin Bay

Dublin Bay

Dublin Bay is a C-shaped inlet of the Irish Sea on the east coast of Ireland. The bay is about 10 kilometres wide along its north-south base, and 7 km in length to its apex at the centre of the city of Dublin; stretching from Howth Head in the north to Dalkey Point in the south...

 seashore.

The Martello Tower is now the headquarters of the Genealogical Society of Ireland

Genealogical Society of Ireland

Genealogical Society of Ireland is a voluntary non-governmental organisation promoting the study of genealogy, heraldry, vexillology and social history in Ireland and amongst the Irish Diaspora as open access educational leisure pursuits available to all...

,http://www.familyhistory.ie

The route linking Dún Laoghaire ferryport to the N11 National primary route

Roads in Ireland

The island of Ireland, comprising Northern Ireland and the Republic of Ireland, has an extensive network of tens of thousands of kilometres of public roads, usually surfaced. These roads have been developed and modernised over centuries, from trackways suitable only for walkers and horses, to...

 has itself been designated a National primary route, the N31. Part of the route includes Seapoint Avenue, and the Seapoint area is located on the strip of land, which includes the railway line, between the road and the sea.