
LAGOON 400
Specifications
Hull
| LOA | 39.27 ft |
| LWL | 37.57 ft |
| Beam | 23.79 ft |
| Draft | 3.97 ft |
| Displacement | 22,531 lb |
| Material | 39’ 4”11.97 m |
| Hull speed1.34·√LWL | 8.2 kn |
Rig & Sails
| Mainsail | 602.78 sq ft |
| Jib (100%) | 301.39 sq ft |
| Spinnaker | 818.06 sq ft |
| SA total | 1,420.83 sq ft |
Accommodation
| Cabins | 3 |
| Berths | 4 |
| Heads | 6 |
| Water | 79.3 L |
| Fuel | 105.7 L |
| CE category | N/A€ |
About the LAGOON 400
Downwind sail area: 132 m2/1421 sq.ft Mainsail area: 56 m2/603 dq.ft. Genoa area: 28 m2/301 sq.ft. Gennaker area: 76 m2/818 sq.ft.
The Lagoon 400 is a popular catamaran designed by Van Petheghem/Lauriot-Prévost and built by Lagoon between 2009 and 2012, with a total production of 264 hulls. It represents a significant era in Lagoon's history, bridging the gap between earlier models and the subsequent 42/44 series, known for its spacious interior and fractional sloop rig.
- Best for:
- This vessel is ideally suited for coastal and near-shore cruising couples or small families who prioritize interior volume and ease of handling over extreme performance. Its moderate displacement and beam make it a comfortable liveaboard option for those who do not require heavy bluewater certification.
- Bluewater capability:
- With a displacement of 22531.0 lb and a capsize ratio of 3.37, the Lagoon 400 is generally considered suitable for coastal and protected offshore passages rather than extended open-ocean expeditions due to its relatively light displacement and wide beam.
- Comparables:
- Comparable boats include the Lagoon 42 and 44, which share similar design philosophies and interior layouts but offer updated hull forms and rigging. It also competes with the Fountaine-Pajot Astrea 42 and Beneteo First 40.7, which offer similar beam and interior space from the same era.
Performance
Estimated Value
High ConfidenceAsking price by model year
95 listings · boat years 2009–2018 · median $286,200
Each dot is one listing · hover for details · dashed red line marks the median · obvious data-entry outliers (top & bottom 2.5%) excluded.
Estimated Cost of Ownership
Based on 39.27ft LOA. Actual costs vary by condition, usage, and local rates.
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Articles & Reviews
Known Issues & Pre-Purchase Inspection
23 reported issues across 9 systems for the LAGOON 400, compiled from owner reports in sailing forums and owner-association material.
Unlock the full inspection report
Thinking of buying a LAGOON 400? This is an in-depth report on the faults this model is known for — so you know exactly what to check when you walk the boat. For the price of a coffee.
- ✓ All 23 specific issues — severity, symptoms & fixes
- ✓ Model-specific pre-purchase inspection checklist
- ✓ Downloadable PDF to take to your surveyor — yours to keep
One-time $2.99 · secure checkout by Stripe · instant access · 30 days online, PDF yours to keep
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Used sails that fit the LAGOON 400
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