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Lagoon 400
Development
Designer	Van Peteghem/Lauriot-Prevost
Location	France
Year	2009
No. built	264 (excluding S2)
Builder(s)	Lagoon Catamaran
Role	Cruiser
Name	Lagoon 400
Boat
Displacement	22,531 lb (10,220 kg)
Draft	3.97 ft (1.21 m)
Hull
Type	catamaran
Construction	fiberglass
LOA	39.27 ft (11.97 m)
LWL	37.57 ft (11.45 m)
Beam	23.79 ft (7.25 m)
Engine type	Two 29 hp (22 kW) diesel engines
Hull appendages
Keel/board type	twin keels
Rudder(s)	Twin spade-type rudders
Rig
Rig type	Bermuda rig
Sails
Sailplan	fractional rigged sloop masthead sloop
Mainsail area	603 sq ft (56.0 m2)
Jib/genoa area	301 sq ft (28.0 m2)
Gennaker area	818 sq ft (76.0 m2)
Upwind sail area	903 sq ft (83.9 m2)
Downwind sail area	1,421 sq ft (132.0 m2)
	← Lagoon 410 Lagoon 420 → ; [edit on Wikidata]

The Lagoon 400 is a French sailboat that was designed by Van Peteghem/Lauriot-Prevost as a cruiser and first built in 2009.^[1]^[2]^[3]^[4]^[5]^[6]^[7]

The boat is a development of the 1997 Lagoon 410.^[8]

Production

The design was built by Lagoon catamaran in France, 2009 to 2012 with 264 boats completed and then in its improved S2 version from 2012 to 2017, but it is now out of production.^[1]^[2]^[3]^[8]^[9]^[10]^[11]

Design

The Lagoon 400 is a recreational catamaran, built predominantly of polyester fiberglass, with wood trim. It has a fractional sloop rig, with a deck-stepped mast, two sets of swept diamond spreaders and aluminum spars with 1X19 stainless steel wire rigging. A bowsprit and square-headed mainsail were optional. The hulls have nearly plumb stems, reverse transoms with swimming platforms, dual internally mounted spade-type rudders controlled by a wheel and twin fixed fin keels. The original production version displaces 22,531 lb (10,220 kg) and the S2 version displaces 22,818 lb (10,350 kg).^[1]^[2]^[3]^[8]^[12]

The improved S2 model introduced improved galley cupboard storage, a new electrical panel and changes to the cabin layouts, as well as other minor interior cosmetic changes.^[4]^[8]

The boat has a draft of 3.97 ft (1.21 m) with the standard twin keels.^[1]^[2]^[3]

The boat is fitted with twin Yanmar diesel engines of 29 or 40 hp (22 or 30 kW) each, for docking and maneuvering. The fuel tank holds 106 U.S. gallons (400 L; 88 imp gal) and the fresh water tank has a capacity of 79 U.S. gallons (300 L; 66 imp gal).^[1]^[2]^[3]^[12]

The design has sleeping accommodation for four to eight people with up to four cabins, with double berth cabins fitted fore and aft in each hull. The main salon has an L-shaped settee plus there is a U-shaped settee in the cockpit. The galley is located in the salon on the starboard side. The galley is L-shaped and is equipped with a three-burner stove, an ice box and a double sink. A navigation station is opposite the galley, on the port side. Two to four heads can be fitted in the hulls. Cabin maximum headroom is 84 in (213 cm).^[1]^[2]^[3]

For sailing downwind the design may be equipped with a gennaker of 818 sq ft (76.0 m²) or a code 0 sail.^[1]^[2]^[3]^[8]

The design has a hull speed of 8.21 kn (15.20 km/h).^[2]^[3]

Operational history

In a review, katamarans.com reported, "the 400 is one of Lagoon's 3rd generation designs that evolved from their classic 410. Although Lagoon veered to more comfort over performance in this generation, the 400 is still a competent sailor in a breeze, but she's no lightweight and struggles in lighter airs (under 10 knots) unless you have the bowsprit to fly the larger sails (gennaker, code 0 for example)."^[8]

In a 2010 Cruising World review, Steve Callahan wrote, "under sail, the 400 also tacks well. The small jib is a cinch to handle, and with the roll-up screecher, one gains a simple and minimal sail plan that's very easy to power up or down. That said, 75 inches of freeboard to the deck plus a high superstructure and low-aspect keels mean this is a boat that shouldn't be pinched up; it performs best when sailed fully powered and backed off a few degrees from a closehauled heading."^[12]

In a review for Cruising Sea, Daniella Wender wrote, "it's not much of a vacation if the boat is too cramped or passengers are falling over each other, but at the same time, the 400 invites social activity and conversation, almost creating the illusion that the entire vessel is a floating family rec room."^[13]

References

^ ^a ^b ^c ^d ^e ^f ^g McArthur, Bruce (2023). "Lagoon 400 sailboat". sailboatdata.com. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ ^a ^b ^c ^d ^e ^f ^g ^h Sea Time Tech, LLC (2023). "Lagoon 400". sailboat.guide. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ ^a ^b ^c ^d ^e ^f ^g ^h "Lagoon 400 Sailboat specifications". Boat-Specs.com. 2023. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ ^a ^b "Lagoon 400 S2 Sailboat specifications". Boat-Specs.com. 2023. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ McArthur, Bruce (2023). "Van Peteghem/Lauriot-Prevost". sailboatdata.com. Archived from the original on 18 December 2022. Retrieved 18 December 2022.
^ Sea Time Tech, LLC (2023). "Van Peteghem/Lauriot-Prevost". sailboat.guide. Archived from the original on 18 December 2022. Retrieved 18 December 2022.
^ "VPLP Design Sailboat designer". Boat-Specs.com. 2023. Archived from the original on 19 January 2023. Retrieved 20 March 2023.
^ ^a ^b ^c ^d ^e ^f "Lagoon 400". katamarans.com. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ McArthur, Bruce (2023). "Lagoon Catamaran". sailboatdata.com. Archived from the original on 18 December 2022. Retrieved 20 March 2023.
^ Sea Time Tech, LLC (2023). "Lagoon Catamaran". sailboat.guide. Archived from the original on 18 December 2022. Retrieved 20 March 2023.
^ "Lagoon Sailboat builder". Boat-Specs.com. 2023. Archived from the original on 19 January 2023. Retrieved 20 March 2023.
^ ^a ^b ^c Callahan, Steve (6 April 2010). "Lagoon 400". Cruising World. Archived from the original on 20 March 2023. Retrieved 20 March 2023.
^ Wender, Daniella (13 July 2015). "Lagoon 400 Catamaran Review – Focus on What Really Matters!". Cruising Sea. Archived from the original on 20 March 2023. Retrieved 20 March 2023.