Irlandando
Lingua: 
  
Irlandando is the largest Italian portal dedicated to the Emerald Isle, is done really well and I think it is very useful to find information, not to be missed.
Irlanda Online
Lingua: 
  
The great Italian guide about Ireland.
GalwayNeT
Lingua:   
Information on the city of Galway.
Conquer Northern
Lingua: 
 
 
Official website of Ireland, all the information you need to plan your trip.