8. Al Salamah Length: 457 feet Top speed: 22 knots Total power: 17,540 hp The Al Salamah was built in the late 1990s for the late crown prince of Saudi Arabia, Prince Sultan bin Abdul Aziz, in Germany by HDW and Lurssen Yachts. Details about much of the ship is secret, but it is believed to have over 80 rooms, a helipad and an indoor swimming pool with a glass roof. During its construction it was code named “Mipos,” standing for “Mission Impossible”.
4. Al-Said - Al-Said is a 508ft (155m) motor yacht which was custom built in 2008 by Lurssen. This magnificent yacht features exterior styling by Espen Oeino, with interior design by Redman Whitely Dixon. Picture: Claus Schaefe TheYachtPhoto.com
Joint 5th. Topaz - Topaz is a 482ft (147m) motor yacht, custom built in 2012 by Lurssen Yachts. The yacht's interior has been designed by Terence Disdale and has exterior styling by Tim Heywood Design. Picture: Peter Seyfferth, TheYachtPhoto.com