Dalkey Quarry is a disused granite quarry, stone from which was used in the 19th century to build Dún Laoghaire harbour, and is now a popular rock-climbing location within Killiney Hill Park. During the construction of the harbour, the quarry was connected to Dún Laoghaire via a metal tram way known as 'The Metals' which are still visible in some parts of Dalkey.Dalkey is a great place for fishing.
Cuala CLG, a prominent Gaelic Athletic Association sports club, and Dalkey United, an association football club, are both based at Hyde Park, just outside the town. Early in his soccer career Paul McGrath, played for Dalkey United. In 1940s the town produced another footballer of note - Peter Farrell.
There are three schools in Loreto Abbey caters for boys from junior infants to first class and for girls up to sixth year, Harold Boy's National School caters for boys from second class to sixth class and St Patrick's National School caters for boys and girls from junior infants to sixth class.
There are several small harbours on the cost of Dalkey. Bulloch harbour is the biggest in size, it is situated towards the North entrance of the town, and it is a declared seal sanctuary; Coleimore harbour is much smaller, and it is situated in the middle Soth part of the town. These harbours are used by tourists to hire boats for nearby fishing and for getting to Dalkey Island.