I found these web sites. Maybe they can give you better information. Sorry if I gave you too much information, but I'm not that familiar with Irish geography.

Model Aeronautics Council of Ireland
Website: http://www.maci.ie/
(The official governing body for RC flying in Ireland)

Irish Slope Soaring PSS and RC Glider Group
Website: http://www.greenhobbymodel.com/slopesoaring/index.htm
Location: Slope Soaring flying sites located all over Ireland



Dublin Kestrel Model Flying Club
Website: http://uk.geocities.com/kestrelmfc/index.htm
Location: Off Blessington Road, near Brittas, Co Dublin

Dublin Model Flying Club
Website: http://www.airvideofred.com/dmfc.html
Location: Bray, Co. Wicklow

Ennis Model Flying Club
Website: http://homepage.eircom.net/~ennismodelflyingclub/
Location: Ennis area, Co. Clare

Longford M.A.C
Website: http://homepage.eircom.net/~justsounds/
Location: Longford town, Co. Longford

Newbridge & District Model Flying Club
Website: http://www.simpley.com/mambo/
Location: The Gallops, Curragh, Co. Kildare

Shankhill Radio Flying Club
Website: http://www.srfc.net/
Location: Bray area, Co. Wicklow

Shannon Model Flying Club
Website: http://www.smfc.org/
Location: Shannon

As far as shipping from here goes.

www.towerhobbies.com or www.horizonhobby.com would be the best places to start.

Try here if you want to stay local.

http://www.greenhobbymodel.com/index.html

I hope this helps.