 In July 2008, the first transatlantic liner, the Maasdam arrived in Milford Haven.The town of Milford Haven was founded as a whaling center in the 18th century, and today the town's port is the fourth largest in the United Kingdom in terms of tonnage and plays an important role in the United Kingdom's energy sector with several oil refineries and one of the biggest LNG terminals in the world.Milford Haven is the second largest settlement in Pembrokeshire, with a population of 13,100; though its community boundaries make it the most populous in the county, with 13,096 people.