Former Names: Axel Johnson Costa Marina is a converted container ship that has been transformed into a fun cruise ship with lots of glass. Costa Marina passengers tend to be lively, mixed ages and mostly Italian with other Europeans. When all cabins have double occupancy, the ship provides a space ratio of 33.7 tons per passenger and a crew to passenger ratio of one for every 2 passengers. At full capacity the space ratio is 27.8 tons per passenger and the crew ratio is one to 2.4 passengers.