2017 Riviera 57 Enclosed Flybridge 2017 Riviera 57 Enclosed Flybridge : Available For PurchaseNotably, the 57 is available with your choice of either conventional shaft drive or innovative pod propulsion – one of the first yachts in the world to offer owners such flexibility. Of course such world-leading thinking and creativity in design is evident right throughout this world-class Riviera, which has been built to last with global best-practice standards foremost in mind.