THE LAGOON 400, A SAILING CATAMARAN BY THE MANUFACTURER LAGOON With its 4 double cabins and 2 forward points, you can easily set off with family or friends on the Lagoon 400 S2. A HARMONIOUS LIVING SPACE On the Lagoon 400 S2, the deck and the cockpit are directly connected, which provides an exceptional living space. Vertical living room windows maximize space and light entry.