Aeolus...The Keeper of the Winds. This Lagoon SEVENTY7 is the pinnacle of Luxury Catamarans floating on our seas... Every detail has been designed to maximize your experience and your pleasure while you and your guests are onboard. The SEVENTY 7 is exemplary of Lagoon’s savoir-faire and technical competence, representing the excellence of the brand. Naval architects and designers have conceived a catamaran where harmony unites interior and exterior spaces.