Ferries etc.
Here's a list of ways to get off the islands.
Dun Laoghaire - Holyhead
Dublin Port - Holyhead
Rosslare - Fishguard
Belfast - Stranraer
Larne - Fleetwood
Harwich - Hook of Holland
Newcastle - Amsterdam (Holland)
Harwich - Esbjerg
(Denmark)
Cork - Roscoff
Fastnet Line
Cork - Swansea
Dublin - Holyhead
Rosslare - Pembroke
Rosslare - Roscoff
Rosslare - Cherbourg
Rosslare - Cherbourg
Dublin - Liverpool
Dover - Calais
Larne - Troon
Larne - Cairnryan
Norfolk Line
Dublin - Liverpool
Belfast - Liverpool
Dover - Dunkirk
Sea France
Dover - Calais
LD Lines Network
Portsmouth - Le Havre
Dover - Boulogne
Newhaven - Dieppe
Ramsgate - Ostend
Folkestone - Calais