The Lagoon 450F is one of Lagoon’s most successful and sought‑after models—beloved by owners and charter fleets for reliability, ease of handling, and unmatched comfort in its class. The forward cockpit is a signature Lagoon feature. It gives you a cool, shaded space in the afternoon sun—while the aft cockpit becomes your dining and social hub. Buyers love that it creates “separate lifestyle zones” on board. With its powerful sail plan, balanced design, and lightweight infused construction, the 450F delivers solid cruising performance—even in light conditions—making it ideal for island hopping or long‑range voyaging. Twin engines, excellent helm visibility, and smart control line routing to the flybridge make single‑ or short‑handed operation surprisingly easy for a 45‑foot cat. This is a major reason the 450F is such a popular owner‑operator boat.

Construction

• Polyester and high quality anti osmotic resin 
• Hull and deck laminated by infusion
• Balsa core hull, solid laminate under water line, white gel coat 
• Balsa core bridge deck and deck
• Solid laminate inner liners and deck 
• Laminated marine plywood bulkheads

Deck

• Storage locker on aft cockpit portside 
• Big storage locker
• Access to the windlass and chain locker by a vertical pannel 
• Deck light on mast
• Locker on starboard side (genset as an option) 
• Sun pad
• Settee

Hardware

• 8 mooring cleats
• 1 winch size 60 on starboard side of helm for mainsail halyard and reefing lines and genoa 
• 1 winch, size 50,on port side for genoa halyard, spi (option), toping lift
• 1 winch, size 60, for genoa on port side
• 1 winch, size 50,for main sheet, traveller and furler
• Vertical axe windlass 12V 1700W in anchor locker, with 12 mm gypsy 
• Trampoline with knot-less nylon netting
• Extern stern pulpits
• Inboard stern pulpits including on portside flagpole fittings and buoy support 
• Composite forward longitudinal beam with recessed chain run and mooring cleat 
• Aluminum crossbeam with furler genoa chain plate, anchor roller and navigation lights 
• Mainsheet traveler track and ball-bearing car
• 2 genoa tracks with genoa car and stopper

Cockpit

• Large cockpit usable as deck salon, protected by fixed composite bimini with recessed cockpit lighting
• U-shape foredeck seating area with technical generator locker on the front
• Removable wood varnished cockpit table accommodates 8 / 10 people, with protective cover 
• 2 storage lockers in stern crossbeam
• Large storage locker with possibility to install extra (fridge, icemaker, etc ... ) 
• Synthetic resin countertop
• Sliding window between cockpit and galley
• Direct access from cockpit to helm station on starboard side 
• Lazy boy on starboard side with storage locker
• Bin with upper access and front door
• Storage locker with top access (70 Iiters / 18 gallon US ) with drainage 
• Aeration hatch - Opening roof on the fly for cockpit aeration
• Storage for 2 gas tanks on starboard side of the cockpit 
• Built-in storage area for cockpit table in bimini ceiling 
• Polyester non-streaming toe raiI on the cockpit sides

Interior Salon

• Large main salon with panoramic view - standing headroom approx: 2,05 m / 6'9" 
• Steel pillar with fabric cover
• Varnished coffee table that can be swapped with the large cockpit table 
• Seating for 5 / 6 people
• Storage compartments under bench seats
• Locking aluminium sliding cockpit door with open/closed positions 
• 2 opening hatches on forward windows
• Curtains on forward salon windows

Aft Cabins

• Queen-size berth (2,04m / 6'7"x 1,60m / 5'2" at widest point) 
• Semi-island berth
• 1 drawer under berths.
• 1 hanging lockers
• 1 low shelf
• Shoes storage in the floor 
• Ceiling led spotlight
• 2 reading Iights per berth 
• 2 bed tables with storage 
• 1 opening deck hatch
• 1 opening port hole
• 1 large hull window in plexiglass 
• 1 opening escape hatch
• Curtains on portholes, hatches and fixed one-way windows

Forward Cabins

• Transformable double berth or 2 simple berths Double berth version 2.04 m x 1.63 m x 1.16 on the floor/ 6'7" x 5'3" x 3'8" on the floor
• 2 simple berths version 2.06 m x0.69 m x 0.58 m on the floor/ 6'75" x 2'26" x 1'9" on the floor
• 2 drawers under berths 
• 2 space storages
• 1 bookshelf
• 1 bed table with storage and shoes storage 
• Hanging lockers and shelves
• LED ceiling lights
• 2 reading Iights per berth 
• 1 opening deck hatch
• 1 opening port hole 
• 1 large hull window
• Curtains on portholes, hatches and fixed one-way windows 
• 1 mirror
• 3 lockers storage under the berth

Heads

• Molded GRP units with white laminate walls - standing headroom 2,04m / 6'9" 
• Washbasin with mixer tap/ shower
• Full-size marine toilet
• 1 holding tank with gravity drain/deck pump out in the aft port head 
• Mirror
• Storage locker and 2 mirror doors
• Ceiling lights and spotlights over the mirror 
• Forward heads access from cabin
• Synthetic resin countertop 
• Separated shower
• Shower grating
• 1 opening deck hatch
• Technical access under washbasin

Galley

• Galley in main salon to starboard with directaccess to cockpit through sliding window Synthetic resin countertop
• Double stainless steel sink with chrome-plated mixer tap hot and cold water Integrated dish drainage area.
• Cutlery drawer Storage under sink
• 3 burner stove I oven with grill stainless steel 12V fridge 130L / 34 US Gallons, front loading
• 2nd 12V Fridge 130L / 34 US Gallons - transformable in freezer (optional) 100 I/ 26 US gallons

Electrical 

• Main 12V electrical panel starboard side of salon next to companionway with wood protection LED lights
• Ammeter, voltmeter, circuit breakers, back lighting, water gauge, 12V outlet, fuel gauge
• 2 engine start batteries: 12 v- 110 Amp
• 3 house batteries: 12 v-140 Amp

Flybridge

• Twin deck access stairways from deck 
• Large bench seat for 6 people
• Ergonomically-designed helm station with leathered wheel with brake, engine throttles, engine panels, hour meters, compass, large instrument console for electronic displays, cup holders, rope storage
• Protection cover for helm position
• Space storage around lateral staircases of the flybridge 
• Sun pad place in front of the helm station

Sails 

• 1 dacron full roach full batten mainsail 
• 1 furling genoa with UV protection

Standing Rigging

• Aluminum mast with mainsail track and ball-bearing 
• Double pushing spreader rig
• 1 aluminum boom
• 2 shrouds with chafe guards 
• 2 lower shrouds
• 1 forestay with furler for genoa
• 2 mainsail lazy-jacks for battened main sail

Running Rigging

• 1 double-purchase spectra mainsail halyard 
• 1 spectra genoa halyard
• 1 mainsail sheet pre-stretched
• 2 genoa sheets pre-stretched
• 3 mainsail reefing lines pre-stretched
• 1 genoa furling line pre-stretched
• 2 mainsail traveller car control lines pre-stretched