Clipper Group's Seatruck Ferries has beefed up capacity on its Liverpool to Dublin route.
The smallest vessel on the service, the 7,600-gt Clipper Ranger (built 1998), has been replaced by a larger P-series vessel offering almost twice the capacity.
And additional Friday sailings have been introduced, giving Seatruck 44 crossings per week on what is its busiest Irish Sea service.