LAGOON 55 2024 FULL EQUIP, 5 CABINS 5 TOILETS + CREW 2. Developed by passionate designers for those who love the sea, the Lagoon 55 is a catamaran with a distinctive allure. The perfect blend of Lagoon’s heritage and contemporary design, her sinuous lines make this catamaran instantly recognizable. Offering an exceptional quality of life on board, directly inspired by Lagoon yachts, the interior enables you to take full advantage of the sea, the sky, the sunshine, and the beauty of your environment: a design challenge successfully met by the Lagoon 55.