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lagoon-bénéteau lagoon 51 - 6 + 2 cab.

lagoon-bénéteau lagoon 51 - 6 + 2 cab. review

Catamaran · 49 ft (15 m) · Trogir

GGetBoat EditorialReviewed September 19, 2026
4.4/ 5
expert score
Design4.5
Performance4.0
Comfort4.8
Handling4.0
Value4.1

Key specs

Builder
lagoon-bénéteau
Model
lagoon 51 - 6 + 2 cab.
Length
49 ft (15 m)
Guests
14
Cabins
8
See how Catamaran asking prices compare — GB Yacht Asking-Price Index

Verdict

The Lagoon 51 is a modern cruising catamaran built for space, stability and charter-friendly living rather than sharp performance. It offers strong comfort and a very practical layout for large groups, while sailing manners are competent but not especially sporty.

Pros

  • +Very large interior and exterior living spaces
  • +Good stability and shallow draft for cruising grounds
  • +Twin 80 hp engines suit docking and low-speed maneuvering
  • +High guest capacity and flexible cabin layouts

Cons

  • Wide beam can make marina berths and docking more demanding
  • Not designed for fast or especially responsive sailing
  • Large size and systems increase operating and upkeep costs

The Lagoon 51 follows the brand’s familiar emphasis on volume, visibility and easy living. With a 51-foot overall length, 8.10 m beam and accommodation for up to 14 guests, it is clearly aimed at family cruising and charter use rather than pure performance sailing. The large flybridge, broad coachroof and generous cockpit areas make it feel more like a floating apartment than a compact sailing boat.

On the water, the boat’s twin 80 hp engines and shallow 1.40 m draft support relaxed coastal cruising and straightforward maneuvering once underway. Its sail plan is substantial for the type, but the Lagoon 51 is still best described as a stable, confidence-building catamaran rather than a quick-reacting one. The wide beam and cruising-focused hull form improve comfort and steadiness, though they also mean less agility in tight harbors and a more deliberate feel under sail.

Inside, the Lagoon 51 is one of its strongest points: it is designed around space, natural light and flexible cabin counts, making it well suited to larger parties. Water and fuel capacities are ample for extended cruising, and the layout should appeal to owners who value liveaboard comfort and charter appeal. In value terms, it is competitive for buyers prioritizing capacity and livability, but the size, complexity and operating costs will matter more than on smaller cruisers.

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lagoon-bénéteau lagoon 51 - 6 + 2 cab. review — expert verdict | GetBoat