Glasgow ferry/bus to Belfast. (3 nights)
Private car to Sligo (2 nights)
Bus to Galway (4 nights) day trip to Aran Islands
Train to Limerick (3 nights) Killarney? Ring of Kerry?
Train to Dublin (4 nights)
Of course side trips and tours at each stop - we aren't renting a car. Any suggestions welcome! We prefer cities to mountains and views. We are 60's and in good shape. Thank you!