Parque Marlay

Marlay Park (Irish: Páirc Mharlaí) is a 86 hectares (210 acres) suburban public park located in Rathfarnham in Dún Laoghaire–Rathdown, Ireland. Lying about nine kilometres (5.5 miles) from Dublin city centre, the parkland comprises woodlands, ponds and walks. Recreational spaces include a nine-hole, par-three golf course (reopened in 2010 after redesign and rebuild), tennis courts, six soccer pitches, five GAA pitches, a cricket pitch, two children's playgrounds and a miniature railway run by the Dublin Society of Model and Experimental Engineers.

Longitude Festival is a music festival that takes place during July every year in Dublin, Ireland. Since 2013, Marlay Park has been home to the festival. It is organised by MCD Productions and Festival Republic.When the festival first started in its early years the line up was mostly bands and singer songwriters such as Phoenix (band), Kodaline, and Sam Smith.

Ballinteer St John's (Irish: Naomh Eoin Bhaile an tSaoir ) is a Gaelic Athletic Association club based in Ballinteer, Dún Laoghaire–Rathdown, Ireland. Gaelic football and hurling are played.Their crowning achievement remains S.E. Board 1983 U/12C Winners (Football)