Here are some links to some interesting local sites you might want to visit, these sites contain information on anything from bus timetables to entertainment:
www.dun-laoghaire.com
A comprehesive guide to Dun Laoghaire. Go here first for information
on the Dun Laoghaire area.
www.dlrcoco.ie
Dun Laoghaire county council homepage. Information on local events.
www.dublinbus.ie
Dublin Bus homepage. Lots of information on timetables, estimates on
travel time etc.
www.irishrail.ie
Irish Rail homepage. Timetables etc.
www.wow.ie
Whats On Where. A guide to entertainment in Ireland, anything from
festivals to concerts.