Catamaran For Sale -- Lagoon 400 S2 (Caribbean)

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Price Reduced! $327,000 (USD) Location: Le Marin, Martinique (Caribbean)
S/V Katarina 3 is a Le Marin, Martinique based 2014 Lagoon 400 S2 Catamaran For Sale By Owner
This catamaran owner requires financial settlement only. Trades will not be considered.
This seller is open to offers via CatamaranSite escrow.

S/V Katarina 3 is a 2014 Lagoon 400 S2 Cruising Catamaran for sale by owner. This wonderful turnkey catamaran is a fully loaded blue water cruising beauty. The 400 is a remarkably designed, “galley up” catamaran, the most popular of its category with more than 600 hulls built.

The Lagoon 400 is the most spacious of 40 ft cat on the market, standing height 7.3 ft throughout the boat! Easy to manoeuvre single handed, having 3 electric winches at the helm make all sail maneuvers super easy! These boats are one of the French yard’s most successful models to date. Lagoon began building this model in 2009, production finished in 2017, so a lengthy run of 8 years. The innovation in the Lagoon 400 is the amount of living space that VPLP have managed to pack into this boat.

There is sliding window connecting the galley to the cockpit keeping everyone in the conversation, creating an large open space. There are four cabins and 4 heads with their own private bath and showers. There are “V” berths at the forward of each hull that can be used as extra cabin for extra storage. Cabins are light and bright and well ventilated along with fans in all.

Katarina 3 has had an extensive refit this year, including solar, lithium, galley, full size refrigerator, new head sail and net, oversized anchor and windlass, etc…


The 400 is built using Lagoon’s tried and trusted method: : solid laminate below the waterline and balsa core above, including the decks. The hulls and decks are infused with polyester, and Lagoon adds vinylester resin to the hulls as an osmotic barrier.

We rebuilt the main bulkhead and all the floor under the water tanks, fixed the water problem that comes from the mast (on all 400), we built it back stronger that original also modified the drainage slope inside the floor under the water tanks so that water drains out… not in (this is a major flaw in the Lagoon fix bulletin from 2015 on these models). Tons of pictures are available detailing the work we did.


Sailors won’t be disappointed with the Lagoon 400, especially off the wind. Sure, there is a trade off for all of that living space, but you should comfortably achieve 7 knots and over in a breeze, even upwind. She tacks well if you boost the speed before coming through the wind. The genoa is easy enough to handle. In a breeze, she’ll comfortably claw off a lee shore. A Good Sailor in a Breeze, Especially Off the Wind.

In moderate winds (10-20 kts), the Lagoon 400 sails well from 50° to 140° TWA. Like most cats, running directly downwind is not really an option unless you have a parasailor or spinnaker as the shrouds stop you from opening up the mainsail. You are better off “tacking” downwind and moving the apparent wind forward. You can expect a SOG of around half of the apparent wind, up to 10 kts of boat speed. All the sail handling is done from the elevated helm station at the port main bulkhead which has become a Lagoon trademark for this sized boat.

Easy to Handle

The running rigging is simple, all lines, sheets and halyards come back to the helm and all the work can be done on one of the tree electrical winches. Raising and lowering the main and reefing works well from the helm.

Getting about the boat feels safe, as the layout has been kept clean with wide flush decks with recessed hatches. The bow lockers will comfortably store all your lines, fenders, and sails, and they have a false floor giving you an additional lower section to store stuff.

Living Space

This is where Lagoon have excelled on the 400 and the design has stood the test of time. The saloon and galley are very roomy for a boat this size, with plenty of storage under the saloon sofa.  Add a fridge into the cockpit if you don’t have one and you have one fridge for food and one for drinks.

The saloon also includes a handy nav station. Head down below, and you will also note the living space that you get on these boats versus some of the competition. The berths are not that far off a 450, and there is plenty of stowage space.

Recent Updates

  • April 2022
  • New solar arch
  • New air filter in both engines
  • New sail drive oil seals and oil, both sides
  • New upper saidrive anodes
  • New impellers
  • New cooling water exhaust hose, starboard side
  • New mattresses in all cabines
  • May 2022
  • New steering cables
  • New spacers beneath the rudder arms
  • Serviced both rudder arms
  • Replaced all four engine cover panels
  • New 900 amp lithium batteries
  • New 480 watts solar panels x 4, 1920 watts total
  • New Renogy 3000 watt pure sin 120v inverter
  • New 120v circuit with outlets in all cabines, galley and salon with integrated Bluetooth outlet
  • New induction stove top
  • New kitchen sink and faucet
  • New Corian galley counter top
  • New 120v water heater with dedicated timer at the nav station
  • New Victron BMV 712 battery monitor with integrated Bluetooth
  • 2 new Victron MPPT 150/85 solar charge controllers with integrated Bluetooth
  • New Bluetooth AM-FM radio
  • New Raymarine Element 9 chart plotter
  • New Raymarine P70s autopilot control head
  • New Raymarine I60 wind instrument display
  • New AIS transducer
  • New compass at the helm station
  • New Mantus 65 anchor
  • New 40 gallon an hour SeaWater Pro watermaker
  • June 2022
  • New engine mounts on both engines
  • 2 new 16x11 3 blade propellers
  • New seals on all size 44 cabine hatches (4)
  • New seal on port aft head hatch
  • New leather helm wheel cover
  • New full size fridge in the galley
  • New head sail (Genoa)
  • July 2022
  • New brushes in autopilot motor
  • New upgraded windlass gearbox
  • New windlass contactor unit
  • New impellers, alternator belts and water pump belts
  • August 2022
  • New outdoor speakers
  • New Sunbrella Bimini with full enclosure at helm station
Catamaran Name:S/V Katarina 3
Model:400 S2
Year Built:2014
Builder:Lagoon, France
Designer:Van Petheghem/Lauriot Prevost
Loa:39' 3" (11.97 m.)
Lwl:37' 7" (11.46 m.)
Beam:23' 9" (7.25 m.)
Headroom:7 ft 0 inches (salon)
Draft:4' 0" (1.22 m.)
Displacement:22,817 lb. (10,350 kg.)
Mast Height:66' 7" (20.29 m.) (Sloop-Mast Head)
Water Tanks:600
Holding Tanks:4
Galley Location:Up
Engines:2 x 3YM30X1
Engine Hours:4500
Sails:Genoa, new
Mainsail, 2016

Layout Diagram

Catamaran Inventory


  • FRP balsa core above waterline
  • Hulls and decks are infused with polyester
  • Vinylester resin to hulls as an osmotic barrier
  • Solid laminate under the water


  • 4 bedrooms with new mattresses
  • 4 heads with shower
  • 4 black water tanks
  • New faucets in all heads
  • 2 crew cabines with access from top hatches
  • 1 transom shower


  • Seating for 6 with card table
  • New nav station
  • New laminate on wood covering


  • New Corian counter
  • New full size refrigerator
  • New kitchen sink
  • New induction cooktop
  • New stainless steel goos neck kitchen faucet
  • New carbon filter for cold water galley tap
  • Vitrifrigo C130 12V refrigerator
  • Eno propane oven

Cockpit, Deck and Hull

  • New upholstery at helm chair
  • New curtesy night lights on the mast spreaders
  • New fishing rod holders
  • New complete helm enclosure
  • New leather wheel cover
  • New trampoline
  • Complet enclosure for the cockpit area

Electronics and navigation

  • New Raymarine Element 9 chartplotter
  • New Raymarine P70S auto pilot head
  • New Raymarine wind display
  • 1 Raymarine i70 multifunction display
  • 1 Raymarine X30 autopilot computer
  • New AIS transponder with silent mode (sending and receiving)
  • New VHF Standard Horizon GX 2000 with Ram3 remote at the helm
  • New Boss Bluetooth AM FM radio with 4 speakers (2 new speakers in Cockpit)


  • New 4 x 480 Watt panels and stainless steel arch
  • New 2 x Victron MPPT Bluetooth solar controller 150/85
  • New Victron BMV 712 Bluetooth battery monitor
  • New 3 Amper time 300 amp lithium batteries each with a 200 amp BMS
  • New Victron 30 amp DC to DC charger
  • New Renogy 3000 watts inverter 120 V
  • New 6 x 120V outlets with integrated USB connections
  • New 40 GPH SeaWaterPro water maker
  • New 40L electric or engine water heater with timed control
  • 2 Cristec 40 amp charger (for shore power)
  • 220 original European circuit on shore power
  • Shore power cord

Sails & Rigging

  • New genoa
  • Mainsail 2016
  • New lazy jack lines
  • New stainless steel mast compression plate in anchor locker
  • Winch handles
  • 3x Harken 2 speed electric winches at the helm
  • 1x Harken 2 speed manual winch for the dinghy

Engines & Mechanical

  • Port Engine Yanmar 3YM30X1, 4576 hours
  • Starboard Engine Yanmar 3YM30X1, 4536 hours
  • Saildrive: 2 x SD 20
  • New (2) 3 blade propellors 16 x 11
  • Used 2 blade propellors as spares
  • New saildrives lower seals
  • New impeller on both engines


  • Highfiled 310 aluminium with bow locker (to be confirmed)
  • Mercury 8 HP outboard (to be confirmed)


  • 6 person life raft

Anchor & Docking

  • New 65 pound Mantus anchor
  • Quick windlass with new upgraded gear housing
  • Upgraded windlass motor
  • 5 Fenders
  • Docking line
  • Spare anchor with line
  • Boat hook