Transformerlike properties make the Valhalla 55 Sport Yacht well-suited for at-sea entertaining. Courtesy Valhalla Boatworks The sensation was at once thrilling yet whisper-quiet. Capt. Ryan Higgins ...

Powered by twin 725 hp Volvo Penta D11 IPS950s, the Riviera 5600 Sport Yacht Platinum Edition will debut at the Miami International Boat Show in February. Courtesy Riviera Australia-based Riviera has ...