Expand your horizons on an elegant ship, with wrap-around private verandas; a domed main pool and an infinity pool; a sauna and a "snow grotto"; a two-deck Explorers' Lounge and multiple restaurants; a three-deck atrium; and an onboard cooking school. Viking Sea passengers tend to be 45+ and Europeans & Americans. When all cabins have double occupancy, the ship provides a space ratio of 51.5 tons per passenger and a crew to passenger ratio of one for every 1.7 passengers. At full capacity the space ratio is 51.5 tons per passenger and the crew ratio is one to 1.7 passengers.