The Silvestris Sports Cabriolet speed boat from Silvestris Aquamotive is a rather unique speedboat as it focuses both on performance and comfort. Silvestris Aquamotive was founded by the Dutch makers of Spyker as a way to use the same technologies and materials as used in their cars in a marine environment. The hull is made of aluminum and is bonded and riveted to an aluminum space frame, the deck features two rows of seats which are stored in a hatch and can be opened using a remote control. The boat has the option of being powered by a number of different engines the most powerful being a five hundred and sixty horsepower eight liter V8 engine made for Silvestris by Bones Marine which has a a top speed of fifty five knots.