Here's a list of ways to get off the islands.
Stena Line
Dublin Port - Holyhead
Rosslare - Fishguard
Belfast - Stranraer
Larne - Fleetwood
Harwich - Hook of Holland
Newcastle - Amsterdam (Holland)
Harwich - Esbjerg
(Denmark)
Cork - Roscoff (France)
Dublin - Holyhead
Dublin - Cherbourg (France) NEW
Rosslare - Pembroke
Rosslare - Roscoff (France)
Rosslare - Cherbourg (France)
Dublin - Liverpool
Dover - Calais (France)
Larne - Troon
Larne - Cairnryan
Folkestone - Calais (France)