BoatsLagoon 400

Lagoon 400

Catamaran, twin keels · Fractional Sloop · 2009–2012

A VPLP-designed catamaran featuring a shallow 1.21-meter draft and a stable, high-volume hull for coastal cruising

Designed by Van Petheghem & Lauriot-Prevost.

LOA
Beam
Draft (max)
Displacement
Hull type
Catamaran Twin Keel

See her sail

The Lagoon 400, on the water

The fleet's own footage — the truest look at how she really moves.

Footage from Sailing Sunday

Is it for you?

Character

Where this design lands on the numbers a shopper trusts — read straight from her own ratios.

LightHeavy

190 — moderately heavy for her waterline, a balanced cruising weight.

Displacement / length 190
EasygoingPowered-up

18.2 — plenty of sail for her weight; lively and quick to respond.

Sail area / displacement 18.2
  • Heavier than ~75% of boats her size on file

Compared with 242 boats of the same type within a quarter of her length.

What the fleet has seen

The Lagoon 400, as the fleet has seen it

Derived from the videos the fleet has analysed of this model. ▶ marks open the moment aboard.

The Lagoon 400 is a fractional sloop catamaran built by Lagoon Catamaran between 2009 and 2012, designed by Van Petheghem, Lauriot-Prevost, and Van Peteghem. It measures 12.0 m LOA, with a 7.2 m beam, 1.2 m draft, and 10,219 kg displacement. Aboard *navegandoporelglobo*, a 2011 Lagoon 400 prepares for a transatlantic crossing from Ibiza, Spain, to Martinique and Panama, accommodating 10 berths for the passage. *Sailing Doodles* chartered a Lagoon 400 from Island Spirit in Thailand, noting its 560 watts of solar power, B&G electronics, and an engine-driven watermaker.watch The crew motored 10 miles to Koh Mak in light winds, briefly deploying the genoa for an extra half-knot of speed.9:44 They observed a manual dinghy davit winch and utilized the boat's generator and air conditioning to keep pets comfortable.4:38 Alexandros Retsinas, reviewing a Lagoon 400, demonstrated Mediterranean mooring techniques, emphasizing dropping the anchor further out than with a monohull and using the anchor and windlass to manage the boat in 15–20 knot crosswinds, rather than relying on the stern-mounted engines.2:29

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen 8 times across 5 channels of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

On the water

The Lagoon 400 on video

Catamaran Crosswind Docking | Kill the Monohull HabitsAlexandros Retsinas demonstrates Mediterranean mooring for a Lagoon 400 catamaran in 15–20 knot crosswinds.Epic Navigator$15 Beach Bungalows in Thailand?! (Sailing Into a Storm)Beachfront bungalows on Koh Wai, Thailand cost 900–1,500 baht ($28–$45) per night, bookable only via Facebook.Sailing DoodlesI Think I Want to Move to This Island in ThailandCruising the Koh Chang archipelago offers inexpensive anchorages and resorts with significant tidal ranges in Thailand.Sailing DoodlesSailing Thailand! Lagoon 400 Day Sail to Koh Mak (With the Dogs!)A crew charters a Lagoon 400 in Thailand for a five-day cruise through the Koh Chang Archipelago.Sailing DoodlesWE CROSSED THE ATLANTIC. WE ARE GOING TO THE CARIBBEAN.A 2011 Lagoon 400 catamaran will depart Ibiza in late October for a transatlantic crossing to Panama.navegandoporelglobo

What broke, what changed

Gear aboard, as the crews told it

Moments from individual boats of this model that the fleet has filmed — one crew, one piece of kit, one day on the water. Not a review of the class, and not a count of anything.

Each line is one crew's account of their own boat. Another Lagoon 400 may be fitted out entirely differently.

What they go for

Market signal

Where the fleet has seen this model come up for sale.

1seen for sale
1channel looked into buying
  • A 2012 model belonging to friends, currently for sale, but passed on for a project boat

    from Sailing Sundayseen September 20262:45

From the fleet's own footage — our observed signal, not broker listings.

The record

Full specifications

The complete reference set — tap any figure to switch between metric and imperial.

Dimensions
Weights
Rig & sail area
Rig
Fractional Sloop
Ratios
SA / displacement
18.2
Displacement / length
189.7
Hull
Hull type
Catamaran Twin Keel
Construction
Fiberglass
Production
Years built
2009–2012
Units built
264
Designer
Van Petheghem, Lauriot-Prevost
Builder
Lagoon

Boats like this, on the water

More boats like her, on the water

Comparable boats the fleet has on camera: same type, within a quarter of her length. Open the boat, or watch the video — a timestamp means she only appears in passing.

Lagoon 4011.74 mSame hull family0.2 m shorterA 2017 successor to the 39 and 400 models, featuring a 1.35-meter draft and a high-volume twin-keel hull
Lagoon 3911.70 mSame hull family0.3 m shorterA VPLP-designed catamaran featuring a mast stepped further aft for easier handling and a balanced sail plan
Fp 4112.10 mSame hull familyNear-identical lengthA 2025 catamaran successor to the Astrea 42, featuring a 1.35m draft and the choice of diesel or electric propulsion
Leopard 40 (2015-2020)11.99 mSame hull familyNear-identical lengthA 12-metre catamaran featuring a 22.07 sail area-to-displacement ratio for a balance of speed and charter comfort
Isla 4011.93 mSame hull familyNear-identical lengthA modern twin-keel catamaran from Berret-Racoupeau, designed as the successor to the Lucia 40 with a high sail area ratio
Bali Catspace12.05 mSame hull familyNear-identical lengthA 12-meter catamaran featuring a self-tacking solent and gennaker rig designed for efficient, spacious cruising

The family

Related models

The designs closest to hers — usually the rest of the builder's range, sometimes the same hull sold under another name.

Keep asking

The fleet has more to say

Search what's been said about the Lagoon 400, or ask a specific question — the answer comes back written out, with links to the moments it draws on.

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