P&O Ferries (click here for their web site) operate the Cairnryan to Larne ferry.

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Ferries to Northern Ireland

From England

• Liverpool to Belfast (Stena Line). Up to 2 sailing per day. Duration 8 hours.

From Isle of Man

• Isle of Man to Belfast (Steam Packet Company). Up to 2 sailings per week. Duration 2 hours 45 minutes.

From Scotland

• Cairnryan to Larne (P&O Ferries). Up to 8 sailings per day. Duration 1 hour.
• Stranraer to Belfast. Up to 7 sailings per day. Duration 2 hours.
• Troon to Larne (P&O Ferries). Up to 2 sailings per day. Duration 2 hours.