View new or used boats for sale from across the US, Europe and Rest of World on YachtWorld. Offering the best selection of Lagoon models to choose from. think of, and your results will be targeted more exactly. There are Lagoon cats of all sizes and prices. Seach for more Lagoon Catamarans. The Multihull Group (TMG) part of the Windcraft Group sole importers of Lagoon and McConaghy catamarans into Australia. Multihull Brokerage.