Rotterdam has a distinctive sleek black hull and offers sophisticated interiors and an outstanding display of art throughout the ship as well as a three deck high atrium.  Rotterdam passengers tend to be 40-60, some families and Mainly American. When all cabins have double occupancy, the ship provides a space ratio of 47.1 tons per passenger and a crew to passenger ratio of one for every 2.2 passengers. At full capacity the space ratio is 37.2 tons per passenger and the crew ratio is one to 2.8 passengers.