CALL OR TEXT 407-425-2628. The Super Air Nautique S21 brings class-leading performance and modern aesthetics to the 21-foot segment. With the next generation of exterior style and design, the S21 delivers on the Nautique reputation of providing wakes and waves suitable for every age and skill level. Interior features that keep the S21 the ultimate companion for summer, the driving experience at the helm is second to none along with the quality craftsmanship and reliability you only get from a Nautique.