Coolmine (Irish: Cúl Mhín) is a residential area in Fingal, Ireland. It is also a townland in the civil parish of Clonsilla.
Coolmine is located between the suburban areas of Blanchardstown (to the south-east) and Clonsilla (to the west). It is in the Dublin 15 postal district. It is roughly 15 kilometres from Dublin city. One of the largest shopping outlets in Ireland - the Blanchardstown Centre - is located in the townland.
Public transport in Coolmine is provided by Dublin Bus and a train station on the Maynooth/M3 Parkway Western Commuter line. Coolmine railway station was opened on 2 July 1990. Those Dublin Bus routes serving Coolmine are 37 & 39.
The N3 Navan Road is the main road artery. The interchange to Coolmine via auxiliary lanes between the M1 and N3 junction.
In the centre of Coolmine is the Coolmine woods. Its main path is often used as a shortcut for people heading towards the Blanchardstown Shopping Centre or by schoolchildren attending Coolmine Community School. The woods offers a pleasant and peaceful atmosphere away from the noise and traffic of the busy roads of Coolmine. Its flat and open grass make it very popular for joggers and dog-walkers while during the summer, local football teams train on the grass.
The Millenium Park is located in between Coolmine and the Blanchardstown Shopping Centre. The park is run by Fingal County Council and is home to a number or free amenities such as: two all weather astro pitches, children's playground, dog pen, skatepark, exercise stations and acres of open grass. The park is well used by all age group due to its wide number of facilities.