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. Fully British registered and EU VAT paid. Immediate purchase available.PLEASE NOTE: THE YACHT IS BASED NEAR MARSEILLE, BUT WILL BE CRUISING BALEARICS JULY 2026, THEN SOUTH FRANCE AUGUST/SEPTEMBER 2026. THE SELLERS WILL MAKE THE YACHT AVAILABLE FOR VIEWINGS DURING THIS PERIOD. ConstructionBuilt by Dufour YachtsAft cockpit cruiserGRP Hull - coppercoat first applied 2015, renewed 2024Bow thruster cavity epoxy re-enforced 2024Professionally polished 2026Stainless steel bow protectorFin keel - standard antifoul (2026)Blade Rudder - bearings replacement 2023Folding transom/swim platformDimensionsTwin helm wheel steeringLOA 11.9MLWL 10.63Beam 3.98mDraft: 2.03mLight Displacement: 8,080 kgBallast 2,336kgAir draft 16.95mMechanicsVolvo D2-55 engineHours: Approx 1700 hrsVolvo 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 2022Flywheel replacement 2023Engine mounts replacement 2023Cooling System & injectors overhaul 2023Prop Shaft overhaul 2023Exhaust replacement 2023Exhaust elbow Repair 2023MDU Unit replacement 2024Installation of emergency engine start 2024New Sea water pump 2026Retractable Sidepower SR80/185T bowthrusterTool Kit, cordless polisher/various spare parts including sidepower controller, pumps, jabsco service kits etcRig and SailsLast full check (Waypoint Marine, lefkas, Greece) 2023Sloop riggedContinuous standard rigging in single strand stainless steel cable and chrome plated bronze turnbuckles including forestay, double backstay, cap shrouds, inter and lower shroudsAluminium Z-sparsIn 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 handling4 Lewmar winches. 2 x 44ST & 2 x 32STAdjustable genoa car leadsElectricsDomestic 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 (2024Adjustable Solar Panels: 2 x 100w, (2016)Victron Inverter 220/12vVictron Battery MonitorCristec Main Battery Charger 25 a/hIsolation TransformerWebasto Air-conditioning / heating in cabins and salon 220vShore power – 12v & 220v systemsStereo with loudspeakers in saloon and cockpitInstallation of emergency engine startTankage & PlumbingFuel Tank Size: 200 Ltr in Plastic tankHolding: 1 x 50 ltr holding tanksPolyethylene 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 heaterElectric bilge pump with strainer and controls on switchboardManual bilge pump operated from the cockpitDrainage of shower water by pumps direct to the sea, easily accessible under the washbasins.DeckTeak decking - side decks, coach roof and cockpit, plus teak handrails on coach roof & wooden toe railsQuick electric windlass25kg Delta Anchor with 80 m of 10 mm chain, 20m of warp & swivel connectionSpare Bruce 15 kg anchor with warpAbundance of warps/ropes (6) and fenders (12+2). PasserelleChrome frame supporting solar panelsChrome Retractable and removable Davits for the dinghyFlagpole for 1 1/4 yard flagSprayhood with removable shades for the windows (2023)Bimini with removable side and stern shade panels (2023)Cockpit Table with storage unit, power outlet & lampDeep Sunbrella cushions for cockpit seats (2023)Sunbrella Wheel and Winch coversDrop-down swim platform with hot and cold showerOutboard engine bracketOutboard engine hoist2 large side lockers with lids fitted with padlock haspsGRP steering pedestalsRudder stock head for installing the emergency tillerEngine lever and control panel easily to hand for the helmsman on the starboard sideGas cylinder locker starboard aft with 2 gas bottlesLife raft stowage in dedicated lockerCockpit shower in port aft lockerTelescopic stainless steel bathing ladderWater filter system, 25m hose and numerous adapters2 x Electric Cable (25 m) with various adaptersNavigationRaymarine C90w Chart Plotters- (European chart installed) 2 in cockpit, & in saloonRaymarine ST 60 autopilot display Raymarine autopilot - ST70 linear dirve Raymarine ST70 colour displays 2- port & starboardRaymarine wind Raymarine speed and sonar AIS Comar CSB 200 (2012)RadarCompass on each steering wheelVHF - Ray 49E with antennaVHF Loud speaker and extra handset in cockpitHandheld VHF & GarminNavigation lightsNumerous Pilots Guides covering the Mediterranean (Spain, France, Italy, Croatia, Albania, Greece, Turkey) - by separate negotiationExtensive Charts - Imray from the UK through the Mediterranean, and the full set of Eagle Ray Charts for Greece - by separate negotiationTendersHighfield 240 UL tender with aluminium hull (new in 2022) - by separate negotiationSunbrella cover - by separate negotiation4hp Yahama outboard (new in 2024) - by separate negotiationHuilke Paddleboard (new in 2024) - by separate negotiationSafetyEpirb - last serviced and battery replaced 20236 person Seatec OFFSHORE PLUS Life Raft / ISO9650-1 Type 2, in canister, (new in 2026)Grab bag with flares and emergency provisionsJonbuoy (last serviced 2023)Danbuoy (last serviced 2023)Fire blankets (1)Fire extinguishers (3)6 x life jackets (last serviced 2023)Jack staysManual & electric bilge pumpsRadar reflectorEmergency tillerInteriorAll joinery work is finished in Moabi mahogany, with fiddles, mouldings and framings in solid woodCabin 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 throughoutCompanionwaySliding companionway hatch and washboard in Plexiglas with stops and lockCurved wooden steps and access to engine by lifting stair case on jacksTwo handrailsDedicated stowage for companionway door inside the boatSaloonWine cellar embedded in Saloon floor (for 20 bottles)Seating for 8 with washable Cream suedette cushionsSolid wood table with small centre cupboardRoller blinds/mosquito nets for hatches and windows throughoutChart table with hinged desktop and 12v electrical switch panelSmoke alarmGalleyCorian worktop1 1/2 stainless steel sinks with corian covers & mixer tap2 burners cooker on gimbals, plus corian coverInset microwaveLarge (180litrs) 12V fridge with top and front accessNespresso machineFull set of Dufour crockery, cutlery, saucepans and utensilsCabinsMaster cabin (forward) with 195cm long double berth, made to measure mattress cover, duvet, pillows and 2 sets of white egyptian cotton bed linen2 Double cabins in the stern, with made to measure mattress cover, duvet, pillows and 2 sets of white egyptian cotton bed linenHeadsMaster ensuite heads, including Jabsco electric marine toiletHeads with marine toilet, and 50ltr black water tankBath and hand towels for 6 (2 sets)