One of the world’s biggest and most luxurious yachts is anchored of Key West, Florida on December 6, 2011. Built by the Italian yacht builder, Fincantieri, and designed by Espen Oeino, the Serene series yacht is 134 meters (440 feet) long, a beam of 18.5 meters (60.7 feet), and a maximum draught of 5.5 meters (18.04 feet). The yacht has 2 helicopter landing platforms (1 with a hangar), storage for a large submarine able to reach a depth of more than 100 meters, a huge internal sea water pool that can be also used for tender docking and 2,700 square metres of luxury interior space designed by Pascale Reymond of Reymond Langton Design. There are 12 staterooms which can accommodate 24 guests and the yacht has a crew of 52. The yacht with hull number 6154 has 8 diesel-electric engines and was completed in 2011 by Fincantieri Yachts in Muggiano, Italy and is registered in the Cayman Islands.