Karen smoking i banned in Ireland, but you have to 18 to drink, not 21.
The Giant's Causeway is pretty cool, and all up around the Antrim Coast is quite beautiful, if u can go to Donegal and Cork, IMHO the best scenery in Ireland. Donegal is quite remote.
Dublin, go to trinity college, Landsdowne Rd, That drink we all drink, god wot do u call it
it has a cool factory and u get a free drink!!!!lol
Belfast, the black cab tours are pretty cool, city hall area has good shops, go to queen's university, and teh docks to see where the titantic was build, althou in r defence it had an english captain sailing it