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Lagoon 450S

US $579,807






45.8 ft

Hull Material


Engine/Fuel Type




About this Boat

This Lagoon 450S “Owners Version” is probably the most extensively fitted out family liveaboard boat we have ever seen! Bought new by her current owners in 2017 they have spent the last 3 years upgrading and adding equipment to make her the perfect floating home!  Being an owners version means that one hull is a huge master suite complete with dressing table, large double walk around bed and ensuite with amazing walking shower. 


The list of equipment on Susan Ann II is almost to long to list but some go the highlights are:

  • Water maker
  • Generator
  • 1000W solar panels
  • 42” LED TV
  • Huge owners suite
  • Washing Machine
  • B&G Navigation
  • Airconditioning 
  • BOSE Sound System 
  • Code Zero
  • Gennaker


Plus much much more! If you are looking for a comfortable safe modern cruising yacht that is ready to go for a couple or family, we think it would be hard to find a better prepared example.

**360 Walkthrough Tour on our Website**

NO Buyers Commission 


  • Designer: Van Peteghem-Lauriot Prevost
  • Keel: Other


  • LOA: 45.8 ft
  • Beam: 25.82 ft
  • LWL:
  • Maximum Draft: 3.94 ft
  • Maximum Displacement:
  • Dry Weight: 34,178 lb

Additional Details



LOA: 13.96m

Beam: 7.87m

Maximum Draft: 1.20m



Builder: Lagoon


Full hull polish and stickers removed ready for new owners



Engine Brand: Yanmar x2

Engine HP: 57hp

984 Hours 

1000 hour service just completed

Full Yanmar service history

Engine Model: 4JH57

SD 60 sail drives x2 ( new seals and antifoul )

Flexfold props

NMEA Backbone enables viewing of engine data on plotter and over wifi

Spares for everything including Genset, AC, Engines, Waterpumps,



Water - 700L

Diesel - 1000L

Holding - 180L



Victron Install replaces factory Lagoon systems

5KVA Victron Quattro Inveter

Victron Colour Control monitoring unit

Victron battery monitor

Victron MPPT Solar controllers x2

1000w Solar panels mounted on stainless frame aft

Paguro 6.5KVA generator 


Sails and Rig

Fully battened main 80m2 with lazy bag

Furling Genoa 50m2

Code Zero 105m2 with Factor FX continuous line fuller and swivel

Gennaker 120m2 with snuffer

All lines and halyard changed to Dyneema

Lots of spare lines, blocks & swivels


Deck Equipment

Harken power winch for main halyards

All lines to helm/cockpit

36kg Spade anchor with 100m of 12mm chain

2x 50m 18mm floating lines in yellow for running long lines ashore

Davits with power winch for raising and lowering dinghy

Gas BBQ on aft rail

3.4m Highfield dinghy with new tube covers

15hp Yamaha 4 stroke outboard


Navigation Equipment

B&G depth, log & wind

B&G ZEUS 2 with NMEA connection to engines for live data

B&G 4G Radar with storm tracking

B&G 500 AIS 

B&G V50 VHF with portable handset at helm

Anchor windlass control at helm



6 berths in 3 double cabins + 2 in saloon

3 heads with walk in showers

New upholstery in saloon including from upgrade to make more comfortable 

Aft cabins have walk around beds and soft mattress toppers

Electric heads

SMEG full size oven and gas hob

42” LED in main saloon

BOSE sound system

120L/hour Sea Recovery Aqua Mini water maker

Washing Machine fitted at factory

Custom install air conditioning that can run overnight on batteries!

2x 12v fridges



Bimini at helm with full clears

Full cockpit enclosure to create enclosed outdoor space

Sunshades forward and aft

Cockpit cushions 



All safety equipment required for 2017 ARC Atlantic crossing

6 man Liferaft

Offshore Flare pack

Fire extinguishers and fire blankets

Life Jackets

Jon Buoy

Rescue Slings and horse shoe buoys

AIS Rescue 1 personal AIS beacons


Bilge alarm system

Extra grab handles added for safety 



3.4m Highfield dinghy with new tube covers

15hp Yamaha 4 stroke outboard

Scuba Gear

Fishing gear


Manufacturer Provided Description

Replacing a catamaran that has come to be seen as a benchmark is no easy task. But the VPLP architects, in partnership with Lagoon and the celebrated Nauta Design studio, have been brilliantly successful in creating the Lagoon 450.

The Lagoon 450 is now available in 2 versions: FlyBridge or SporTop.

Lagoon 450: seeing bigger
- in terms of accommodation
- deck areas
- facilities

Lagoon expertise
- infusion-moulding: weight saving (important for a catamaran), best possible structure, protection for the environment and shipyard workers
- interior joinery in Alpi® reconstituted wood in the interests of sustainable development (choice of finishes: light oak or teak)
- vertical glazing for better protection against the sun, optimisation of space and headroom
- gull-wing bridge deck for greater comfort in heavy seas
- VPLP design: a guarantee of performance under sail!
- and the Nauta Design touch for elegance and comfort

Above decks
- the cabin-top design creates a more elegant and punchier roof outline
- a large sunbathing area on the cabintop
the sail areas are the same with the FlyBridge version. However, the lower mast and boom:
- reduces pitching
- makes the boom easier to access
the cabintop bulkhead fitted steering position fitted on the cabin-top aft bulkhead includes the following:
- all maneuvers
- integrated large helm station seat
- access from the cockpit and the deck
- an optional extra safety system is also offered, with a tilting composite beam (optional) to close off the steering station in bad weather
- a composite bimini above steering area is available as an option

Below decks
- interior design by Nauta: elegance and functionality
- saloon and cabins exceptionally well lit
- natural light in cabins thanks to large glazed panels on hulls
- truly luxurious owner's cabin
- comfortable guest cabins with a side access to the double bed
- "U"-shaped galley for greater comfort at sea, equipped with large hot plates, broad work space and plenty of storage
- optimization of the access between the cockpit and the galley
- engine compartments remote from the living areas and perfectly insulated

The Company offers the details of this vessel in good faith but cannot guarantee or warrant the accuracy of this information nor warrant the condition of the vessel. A buyer should instruct his agents, or his surveyors, to investigate such details as the buyer desires validated. This vessel is offered subject to prior sale, price change, or withdrawal without notice.

This listing is courtesy of the BoatWizard MLS and may be centrally listed with another broker. It is offered as a convenience by this broker/dealer to its clients and is not intended to convey representation of a particular vessel.

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