[1][2] The boat is fitted with twin Swedish Volvo Penta diesel engines of 40 hp (30 kW) each, for docking and maneuvering.
A hybrid electric/diesel propulsion system was a factory option, which included the ability to charge the batteries using the propellers regeneratively while sailing.
The owner's interior has two cabins, with a double berth in each, fore and aft in the port hull, each with their own private head.
[2] In a 2006 Sail Magazine review, Tom Dove wrote, "the Lagoon 440 is a well-made vessel with lovely, luxurious accommodations.
The panoramic view through the saloon windows is not only appealing, it’s practical in inclement weather as you can sail the boat via autopilot from the comfort of this living space.
"[7] A catamaranreviews.com review concluded, "the spacious layout of the Lagoon 440 catamaran provides for a good family voyage option while its unique flybridge equipped with winches gives a rather interesting skipper experience.
Its four cabins and four heads along with the seating arrangements in the forward and aft cockpits also offer the exciting opportunity of entertaining guests and hosting a party – the galley, of course, is equipped well enough to provide for the food.