Lagoon 420

BoatsLagoon 420

See her sail

The Lagoon 420, on the water

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

Footage from Sailing Doodles

Is it for you?

Character

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

LightHeavy

109 — light for her waterline, so she is easily driven and quick to accelerate.

Displacement / length 109

EasygoingPowered-up

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

Sail area / displacement 20.4

What the fleet has seen

The Lagoon 420, as the fleet has seen it

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

The Lagoon 420 is a 12.6-meter fractional sloop catamaran, introduced in 2006 with a 2007 model year, and designed by Van Peteghem, Lauriot Prevost, and Lauriot-Prevost. Built by Lagoon Catamaran, it was advertised as the first series-produced sailboat with diesel-electric drives as standard equipment.4:11 The 420 has a 7.5-meter beam, a 1.3-meter draft, and displaces 7275 kg. It was offered in owner or charter versions and was available for sale and charter through The Moorings.3:46 The Lagoon 420 Hybrid model faced reliability issues and undersized wiring, leading to its cancellation.8:07 It was later updated as the Lagoon 421 and replaced by the 2015 Lagoon 42.8:15

The living fleet

Sailed by the fleet

Where the fleet has filmed this boat.

Seen once across one channel of the fleet.

Basemap © Wikimedia Commons · CC BY-SA 4.0

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

20.4

Displacement / length

109.2

Hull

Hull type

Catamaran Twin Keel

Construction

Fiberglass

Production

Years built

First built 2007

Units built

270

Designer

Van Peteghem, Lauriot Prevost, Lauriot-Prevost

Builder

Lagoon Catamaran

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.

Island Spirit 41012.63 mSame hull familyNear-identical lengthA high-performance fractional sloop catamaran from Albatross Marine Design, featuring a 24.24 SA/displacement ratio

Unexpected Powerboat Races in Thailand! Sailing from Koh Sichang to Monkey Island from Sailing Doodles

Lagoon 41012.37 mSame hull family0.2 m shorterA French-built fractional sloop catamaran designed by VPLP to succeed the US-built Lagoon 42

Lagoon 410 for $190,000! What's the Catch? Ep 341 - Lady K Sailing from Lady K Sailing

Lagoon 4212.95 mSame hull family0.4 m longerA Van Peteghem and Lauriot-Prevost catamaran featuring a versatile fractional rig with a staysail for offshore cruising

This video will save your batteries. Energy management on board a boat from Epic Navigator

Neel 4313.11 mSame hull family0.5 m longerA 13.11-meter trimaran with a fixed unballasted keel and a high 24.02 sail area-to-displacement ratio

We got a NEW BOAT! A Neel Trimaran from Sailing Doodles

Dragonfly 4012.40 mSame hull family0.2 m shorterA high-performance swing-wing trimaran featuring carbon-fiber construction and a high sail-area-to-displacement ratio

This is what the MOST MODERN BOATS look like with CHEZ TEAM [Ep.90] The Bohemia Voyage7:25 from El Viaje de Bohemia

Dazcat 129512.95 mSame hull family0.4 m longerA Darren Newton-designed performance catamaran with a 29.47 sail area-to-displacement ratio and 2.3-meter draft

Sailing Cape Horn on a Catamaran? [Ep. 113]0:14 from Sailing Sweet Ruca

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.

Lagoon 42-2A 12.8-meter catamaran produced from 2016 to 2025, including a limited-run Millennium edition in a fixed cabin layout Lagoon 42A Van Peteghem and Lauriot-Prevost catamaran featuring a versatile fractional rig with a staysail for offshore cruising Lagoon 410A French-built fractional sloop catamaran designed by VPLP to succeed the US-built Lagoon 42 Lagoon 470Fractional Sloop · 14.50 m Lagoon 40A 2017 successor to the 39 and 400 models, featuring a 1.35-meter draft and a high-volume twin-keel hull

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The fleet has more to say

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