This article is about the former Princess Cruise Lines ship known as the Ocean Princess from 2000 to 2002. For the current Princess cruise ship see Ocean Princess (ship).MV Oceana (previously Ocean Princess), is a cruise ship of the P&O Cruises fleet. The ship was built by Fincantieri at their shipyard in Monfalcone, Italy. At over 77,000 tonnes, Oceana is the fifth largest of eight ships currently in service with P&O Cruises.