PRICE REDUCED TO £110,000. The 405 Grand Large proved to be one of the many success stories from the Dufour yard. Marrying a performance orientated hull with a high quality interior, the 405 is arguably the perfect size for cruising couples and families.  “Seaclusion” is the “Adventure” Version, and has been in the same single, private ownership from new. The yacht benefits from an high level of specification, to include Webasto air-conditioning/heating, retractable dinghy davits, bow-thruster and a comprehensive navigation set-up. LOCATED NEAR MARSEILLE – PLEASE CONTACT TO ARRANGE VIEWING.  Fully British registered and EU VAT paid. Immediate purchase available. Construction Built by Dufour Yachts Aft cockpit cruiser GRP Hull – coppercoat first applied 2015, renewed 2024 Bow thruster cavity epoxy re-enforced 2024 Professionally polished 2026 Stainless steel bow protector Fin keel – standard antifoul (2026) Blade Rudder – bearings replacement 2023 Folding transom/swim platform Dimensions Twin helm wheel steering LOA 11.9M LWL 10.63 Beam 3.98m Draft: 2.03m Light Displacement: 8,080 kg Ballast 2,336kg Air draft 16.95m Mechanics Volvo D2-55 engine Hours: Approx 1700 hrs Volvo sail drive to 3 blade folding prop   Last full official Volvo Penta service  September 2024 (no use during 2025) Major Engine works Diaphragm seal replacement 2022 Flywheel replacement 2023 Engine mounts replacement 2023 Cooling System & injectors overhaul 2023 Prop Shaft overhaul 2023 Exhaust replacement 2023 Exhaust elbow Repair 2023 MDU Unit replacement 2024 Installation of emergency engine start 2024 New engine battery (May 2026) New Sea water pump 2026 Retractable Sidepower SR80/185T  bowthruster Tool Kit, cordless polisher/various spare parts including sidepower controller, pumps, jabsco service kits etc Rig and Sails Last full check (Waypoint Marine, lefkas, Greece) 2023 Sloop rigged Continuous standard rigging in single strand stainless steel cable and chrome plated bronze turnbuckles including forestay, double backstay, cap shrouds, inter and lower shrouds Aluminium  Z-spars In mast Mainsail – Elvstrom Sail (new 2018, last serviced in 2023) Genoa Furler – Falcnor LS 180 with  Elvstom Genoa (new in 2019, last serviced 2023) Asymetrical Spinnaker on furler system (2012) All control lines lead back to the cockpit for ease of handling 4 Lewmar winches.   2 x 44ST & 2 x 32ST Adjustable genoa car leads Electrics Domestic Batteries: 3 x  AGM 12V l30 A/h (2023) Engine Battery: 1 x 72 A/h AGM (2026) Bow Thruster Battery: 1 x 95 A/h AGM (2024 Adjustable Solar Panels: 2 x 100w, (2016) Victron Inverter 220/12v Victron Battery Monitor Cristec Main Battery Charger 25 a/h Isolation Transformer Webasto Air-conditioning / heating in cabins and salon 220v Shore power – 12v & 220v systems Stereo with loudspeakers in saloon and cockpit Installation of emergency engine start Tankage & Plumbing Fuel Tank Size: 200 Ltr in Plastic tank Holding: 1 x 50 ltr holding tanks Polyethylene water tanks have a total capacity of approximately 380 litres with inspection plates and electric gauges on tanks . (1 x 200lt in stern, 1 x 180lts in bow) Pressurised water system, 20 litre water heater Electric bilge pump with strainer and controls on switchboard Manual bilge pump operated from the cockpit Drainage of shower water by pumps direct to the sea, easily accessible under the washbasins. Deck Teak decking – side decks, coach roof and cockpit, plus teak handrails on coach roof & wooden toe rails NOTE: TEAK SHOWING AREAS OF WEAR CONSISTENT WITH AGE AND USE. IN SOME LOCALIZED SECTIONS (FORE SECK AND SIDE DECK) THE TEAK HAS THINNED. Quick electric windlass 25kg Delta Anchor with 80 m of 10 mm chain (replaced July 2026), 20m of warp & swivel connection Spare Bruce 15 kg anchor with warp Abundance of warps/ropes (6) and fenders (12+2).   Passerelle Chrome frame supporting solar panels Chrome Retractable and removable Davits for the dinghy Flagpole for 1 1/4 yard flag Sprayhood with removable shades for the windows (2023) Bimini  with removable side and stern shade panels (2023) Cockpit Table  with storage unit, power outlet & lamp Deep Sunbrella cushions for cockpit seats  (2023) Sunbrella Wheel and Winch covers Drop-down swim platform with hot and cold shower Outboard engine bracket Outboard engine hoist 2 large side lockers with lids fitted with padlock hasps GRP steering pedestals Rudder stock head for installing the emergency tiller Rudder bearings replaced 2023 Engine lever and control panel easily to hand for the helmsman on the starboard side Gas cylinder locker starboard aft with 2 gas bottles Life raft stowage in dedicated locker Cockpit shower in port aft locker Telescopic stainless steel bathing ladder Water filter system, 25m hose and numerous adapters 2 x Electric Cable (25 m) with various adapters Navigation Raymarine C90w Chart Plotters- (European chart installed) 2 in cockpit, & in saloon Raymarine ST 60 autopilot display                  Raymarine autopilot –  ST70 linear dirve                                  Raymarine ST70 colour displays 2- port & starboard Raymarine wind                                             Raymarine speed and sonar                             AIS Comar CSB 200 (2012) Radar Compass on each steering wheel VHF – Ray 49E with antenna VHF Loud speaker and extra handset in cockpit Handheld VHF & Garmin Navigation lights Numerous Pilots Guides covering the Mediterranean (Spain, France, Italy, Croatia, Albania, Greece, Turkey) – by separate negotiation Extensive Charts – Imray from the UK through the Mediterranean, and the full set of Eagle Ray Charts for Greece – by separate negotiation Tenders Highfield 240 UL tender  with aluminium hull (new in 2022) – by separate negotiation Sunbrella cover – by separate negotiation 4hp Yahama outboard (new in 2024) – by separate negotiation Huilke Paddleboard (new in 2024) – by separate negotiation Safety Epirb – last serviced and battery replaced 2023 6 person Seatec OFFSHORE PLUS Life Raft / ISO9650-1 Type 2, in canister, (new in 2026) Grab bag with flares and emergency provisions Jonbuoy (last serviced 2023) Danbuoy (last serviced 2023) Fire blankets (1) Fire extinguishers (3) 6 x life jackets (last serviced 2023) Jack stays Manual & electric bilge pumps Radar reflector Emergency tiller Interior All joinery work is finished in Moabi mahogany, with fiddles, mouldings and framings in solid wood Cabin doors have a blocking system in order to keep them open where necessary. Floor in laminated Moabi wood. The cabin linings are in stylish white marine plywood. LED lighting throughout Companionway Sliding companionway hatch and washboard in Plexiglas with stops and lock Curved wooden steps and access to engine by lifting stair case on jacks Two handrails Dedicated stowage for companionway door inside the boat Saloon Wine cellar embedded in Saloon floor (for 20 bottles) Seating for 8 with washable Cream suedette cushions Solid wood table with small centre cupboard Roller blinds/mosquito nets for hatches and windows throughout Chart table with hinged desktop and 12v electrical switch panel Smoke alarmGalley Corian worktop 1 1/2 stainless steel sinks with corian covers & mixer tap 2 burners cooker on gimbals, plus corian cover Inset microwave Large  (180litrs) 12V fridge with top and front access Nespresso machine Full set of Dufour crockery, cutlery, saucepans and utensilsCabins Master cabin (forward) with 195cm long double berth, made to measure mattress cover, duvet, pillows and 2 sets of white egyptian cotton bed linen 2 Double cabins in the stern,  with made to measure mattress cover, duvet, pillows and 2 sets of white egyptian cotton bed linen Heads Master ensuite heads, including Jabsco electric marine toilet Heads with marine toilet, and 50ltr black water tank Bath and hand towels for 6 (2 sets)