Built in 1999 and refurbished in 2001, the Viking River Cruises Viking Sky carries 150 guests in 71 riverview cabins and 4 suites. These upper deck suites feature a seating area and extra bathrooms in addition to the showers, safes, telephones, televisions, and more found in standard cabins. For entertainment onboard the Viking Sky, guests can be found in the spacious library or in the central lounge. The Viking Sky also features a swimming pool and plenty of deck space for lounging in the sunshine and enjoying the passing scenery.