Shark cat for sale. On the arrival of Black Sharks hull to Rendsburg Imperial Director Julia Stewart said its a new milestone achieved for this exciting project a step closer to the final delivery. Aussie Boat Sales is a continuation of a long line of boating-related enterprises from a family of devoted boating enthusiastsEstablished in 1984 operated originally as a part of the Anchorage Parsons Marina in Williamstown Victoria and has grown into a highly regarded national New and Used boat brokerage.