Seven Seas Navigator is a cruise ship for Regent Seven Seas Cruises. The vessel entered service for Radisson Seven Seas Cruises in 1999. She is built for the luxury market. Ninety percent of her cabins have their own private verandas. She has no sister ships. The Hull was constructed by former USSR (Russia) as an ice class naval support vessel. The hull was purchased by RSSC and the super structure was finished by Mariotti Yards Italy.