National Maritime Museum of Ireland

The Mariners' Church is a former Church of Ireland church located in Haigh Terrace, near the centre of Dún Laoghaire town, southeast of Dublin city. It now houses the National Maritime Museum of Ireland.

DLR Lexicon, branded as dlr LexIcon, is a building in Dún Laoghaire, Ireland, housing the main public library and cultural centre of Dún Laoghaire–Rathdown County Council (DLR CC). It has attracted controversy, with opponents critical of its massive façade and its €36.6m cost at a time of austerity in Ireland, and supporters praising its interior, usability, and environmentally responsible construction.

Dún Laoghaire Lifeboat Station is located at Queen's Road, in Dún Laoghaire , a seaside and harbour town in the administrative region of Dún Laoghaire–Rathdown, historically County Dublin, approximately 11 kilometres (6.8 mi) south east of Dublin, on the east coast of Ireland. Management of the Kingstown Lifeboat Station was transferred to the Royal National Lifeboat Institution (RNLI) in 1862. The station currently operates a Trent-class All-weather lifeboat, 14-05 Anna Livia (ON 1200), on station since 1995, and a smaller D-class (IB1) Inshore lifeboat, Joval (D-865), on station since 2022.

The Royal Irish Yacht Club is a yacht club located in Dún Laoghaire Harbour, County Dún Laoghaire–Rathdown, Republic of Ireland. The club was founded in 1831, with the Marquess of Anglesey, who commanded the cavalry at the Battle of Waterloo being its first Commodore. John Skipton Mulvany designed the clubhouse, which still retains a number of original architectural features since being opened in 1851.

Pavilion Theatre (Irish: Amharclann an Phailliúin) is a theatre, cinema and arts centre in Dún Laoghaire, Ireland.

Dún Laoghaire Harbour and Carlisle Pier were constructed in the nineteenth century for the purposes of sheltering ships and accommodating the mailboat which sailed between Dún Laoghaire and Holyhead. The nearby settlement of Dún Laoghaire has also previously been known as Kingstown and also as Dun Leary. Carlisle Pier has been known previously as Kingston Pier and the Mailboat Pier.

County Hall (Irish: Halla an Chontae, Dún Laoghaire), formerly known as Dún Laoghaire Town Hall, and before that, Kingstown Town Hall, is a municipal facility in Marine Road, Dún Laoghaire in the county of Dún Laoghaire–Rathdown, Ireland.

The People's Park is a small public park in the suburban town of Dún Laoghaire, south of Dublin, Ireland. Located near the East Pier of Dún Laoghaire Harbour and Glasthule, it opened in 1890, and major elements were redeveloped between 1985 and 1997, and again in 2012.

Dún Laoghaire (Mallin) railway station (Irish: Dún Laoghaire Í Mhealláin) is a station in Dún Laoghaire, Dún Laoghaire–Rathdown, Ireland.

The Dún Laoghaire Harbour Police is a small, specialised police force in Dún Laoghaire, County Dublin, Ireland operating under the jurisdiction of the Dún Laoghaire Harbour Company. The force has the power of arrest under Section 54 of the Harbours Act 1996 [1], to arrest persons in connection with offences under the Act, although they are then required to hand them over to the Garda Síochána. Prior to the passage of the Act, the Harbour Police were under the employ of the Department for the Marine and were sworn as constables under the Harbour, Docks & Piers Clauses Act 1847. The force was established in 1836 as the Kingstown Harbour Police under the provisions of the Kingstown Harbour Act 1836, making it the oldest extant police force in Ireland. The current name was taken in 1924.

Sandycove and Glasthule railway station (Irish: Stáisiún Chuas an Ghainimh agus Glas Tuathail) serves the suburban areas of Sandycove (on the coast) and Glasthule (just inland) in Dún Laoghaire–Rathdown, Ireland. The building is on a bridge as the rail line is in a cutting. Because of the station's altitude at sea level and the consequent moisture content of the earth, the track at, and surrounding, this station is laid on concrete rather than wooden sleepers. The ticket office is open between 05:45-00:15 AM, Monday to Sunday.

St. Michael's Hospital (Irish: Ospidéal Naomh Micheál) is a public hospital in Dún Laoghaire in Ireland. It is managed by Ireland East Hospital Group.