Topping the list for the most expensive item ever sold at Harrod’s is the luxury yacht, Project Mars. While the lavish yacht features a horseshoe shaped exterior lounge, it is adorned with multiple luxury amenities including a VIP room, children’s quarter, a private ‘Beach Club’, private gym, and a jacuzzi. Project Mars was created by Fincantieri Yachts and H2 Yacht Design, and is manned by a 34-person crew.