The second largest yacht in the world, Eclipse, is owned by Russian billionaire Roman Abramovich. Besides having an intruder detection system missile detection system, the yacht features 2 helipads, 24 guest cabins, a disco hall, two swimming pools and hot tubs. It has been built by Blohm and Voss of Germany and designed by Terence Disdale.  The 533 feet long yacht also has mini-submarine that is capable of submerging upto 50 metres underwater. The master bedroom and the bridge of the yacht are fitted with armour plating and bulletproof windows. The yacht also features an anti-paparazzi shield which consists of lasers sweeping the surrounding areas.