The vessel has 88 suites for rent, as well as shops, restaurants, a golf centre with real grass, two swimming pools, an art gallery and a medical centre with an operating theatre. "This is a new lifestyle - to travel the world without leaving your home," said billionaire Norwegian shipowner Knut Kloster, who came up with the idea in 1996. The ship was built in Norway by Bahamas-based firm ResidenSea.