Irish Seaports are important ports of call for ships travelling to and from Ireland. Sligo is a 5 letter port located in the northwest of Ireland, on the estuary of the Garavogue River. Cobh is a 4 letter port located in County Cork, on the south coast of Ireland. Sigo is a 4 letter port located in County Donegal, on the northwest coast of Ireland. Tralee is a 6 letter port located in County Kerry, on the southwest coast of Ireland.