SAIRU is the largest Riva ever built, offering 499 GT across four expansive decks with a full‑beam Owner’s suite on the main deck. A 5‑metre beach club pool with fold‑out sea terraces and fold‑out bulwarks create generous over‑water living spaces, all connected by a passenger lift serving every deck. Powered by twin MTU engines, she reaches an 18‑knot top speed with a 3,600nm range.