Ship

Ship Simulator 2008 is a mission-based motorboat simulator which also features free roaming in various locations and weather conditions, multiplayer mode and a mission editor.

Ship Simulator 2006 is a motorboat sim from VSTEP and Lighthouse Interactive. It is the first release of Ship Simulator, and features eight motorboats ranging from water taxis to the Titanic, various weather conditions, and a number of harbors modeled after real-life ones. Gameplay consists of a series of missions in which objectives need to be completed within a certain amount of time.

Virtual Skipper 3 is a sailing sim from Nadeo and Enlight Software. You compete in a series of sailing races with a variety of boats in detailed settings spanning from San Fransisco to Sydney.