Want to make the effort of getting here under your own steam but don't know the best route to use? Why not use the One Small Step Campaign route planner to get you here.
http://www.dto.ie/web2006/jp.htm
High Speed Ferry daily to Holyhead in Wales
www.stenaline.ie
Plan your route

M50
Route Guide HTML Version
M50
Route Guide to Dún Laoghaire, available in PDF file format (330Kb)
Link to AA 'plan your route'
www.aaireland.ie/routes
Dublin Area Rapid Transport system, every 20 minutes serving stations
between Greystones and Howth including Dublin City centre and Mainline services
http://www.irishrail.ie/your_journey/timetables.asp

The Patton Flyer is a new scheduled bus service from Dublin Airport directly to the Royal Marine Hotel in Dun Laogaire via the Port Tunnel.

For further details please follow the link below:
Web Link: http://www.thepattonflyer.ie
Dún Laoghaire is served by the following Dublin Bus routes and timetables:
7 City Centre (O'Connell St to Loughlinstown Park Timetable:
www.dublinbus.ie/your_journey/viewer.asp?route=7
7A City Centre (O'Connell St) to Mackintosh Park
www.dublinbus.ie/your_journey/viewer.asp?route=7A
45A Dún Laoghaire to Bray Dart Station
www.dublinbus.ie/your_journey/viewer.asp?route=45A
46A Fleet St to Dún Laoghaire
www.dublinbus.ie/your_journey/viewer.asp?route=46A
59 Dún Laoghaire to Killiney
www.dublinbus.ie/your_journey/viewer.asp?route=59
59A Dún Laoghaire to Mackintosh Park
www.dublinbus.ie/your_journey/viewer.asp?route=59A
75 Tallaght (The Square) to Dún Laoghaire
www.dublinbus.ie/your_journey/viewer.asp?route=75
111 Dún Laoghaire to Loughlinstown Park
www.dublinbus.ie/your_journey/viewer.asp?route=111
746 Dún Laoghaire to Dublin Airport
www.dublinbus.ie/your_journey/viewer.asp?route=746
7N (Nitelink) College Green to Shankill
www.dublinbus.ie/your_journey/viewer.asp?route=7N
46N (Nitelink) College Green to Dalkey
www.dublinbus.ie/your_journey/viewer.asp?route=46N
Parking
at the Dún Laoghaire Harbour facility.
Pay
and Display Information