Irish Rail–Iarnród Éireann runs direct hourly trains from Dublin Heuston Station to Cork's Kent Station; the trip takes just under three hours. Suburban trains serve Fota Island, Midleton, and Cobh. The journey time to Midleton or Cobh is about 25 minutes.
Irish Rail–Iarnód Éireann (01/836–6222 for inquiries and booking; 1850/366–222 in Ireland; 021/450–4777 in Cork. www.irishrail.ie.)