Pelagos is a RoPax ferry owned and operated by French shipping company La Méridionale.

Pelagos was built in October 1997 as the Lagan Viking, entering service with Norse Irish Ferries Belfast to Liverpool route.

In November 2005 the Norse Merchant Group was acquired by Maersk and integrated into Norfolkline.

On May 24, 2019, it was reported in the French media that Liverpool Seaways had been sold to La Méridionale.

The ship has several facilities on board such as restaurants, bars, shops, cabins and reclining seats