Seven Seas Navigator is a luxury cruise ship operated by Regent Seven Seas Cruises. She entered service for Radisson Seven Seas Cruises in 1999. Ninety percent of her cabins have their own private verandas. She has no sister ships. The hull was constructed by former USSR (Russia) as a satellite tracking ship. The hull was purchased by RSSC and the superstructure was finished by Mariotti Yards, Italy.