Boat Details This Dufour 310 Grand Large is for sale at our Hamble Point Marina office in the UK.
Launched in 2015 - Calypso is a great example of this remarkably spacious 31 footer. Benefitting from new standing and running rigging in 2023, Elvstrom cruising laminate main and genoa, plus a Doyle top down furling gennaker as well as new skin fittings and seacocks (In 2023). In 2025, both the domestic and starter batteries were replaced with a safety over ride link were installed too.
Get in touch to arrange a viewing 360 Dimensions LOA 9.67 m LWL 9.36 m Beam 3.31 m Draft 1.90 m Displacement 4,917 kg (unloaded)
Hull, Deck & Keel
Hand laminated polyester/GRP hull with NPG gelcoat and fist laminate to create optimum barrier to water penetration
High performance ceramic coating 2025
October 2025 Antifoul
Decorative hull stripes
Internal moulded structural framing
2 x Hull windows
GRP deck with PVC foam sandwich in way of flat panels
Cast iron fin keel through bolted on stainless steel backing plates
Twin semi-elliptical rudders filled with close cell epoxy foam on solid stainless steel stocks.


Deck Equipment
Non slip deck surface
Wooden hand rails on coach roof
Fixed toe rails at hull to deck joint
Self draining anchor locker with built - in windlass shelf, anchor chain eye and lockable hatch cover.
700w anchor windlass
Extended anchor roller with Delta anchor, chain & warp.
Folding transom
Teak on cockpit seats and transom
Flexi-teek on cockpit floor
Removeable cockpit table
Large cockpit locker to starboard
Engine controls
Steering compass
Gas locker to port/aft
Cockpit lazarette locker for life raft/tender
Cockpit shower
2 x Lewmar T30 self tailing halyard winches
2 x Lewmar T40 Self tailing Genoa winches
2 x Double + 1 single spinlock clutches to port
2 x Double spinlock clutches to starboard
2 x Size 44 Coachroof hatches
2 x Size 20 Lewmar hatches with blinds


Interior & Accommodation
Oak interior furniture with oak flooring, Upholstery in 'Bonanza Moon' with removable covers to saloon and fwd cabin.
2 Hull windows, 3 Fixed ports & 1 openable window for a light and airy ambiance.
Numerous spot lights and reading lights.
A wide companionway with easy steps leads down to...
Saloon


Large settees to Port & Starboard
Saloon table with folding leaves and storage below
Stowage under settees and behind back rests
Stainless steel mast support post
Access to transducers fwd of saloon


Galley

L Shaped galley set to port
Corian synthetic resin work top with integrated fiddle in clay
Chrome brass single lever mixer tap to sink
Gimballed 2 burner gas cooker on gimbals with stainless steel rails (Certificated August 2024)
Waste bin below sink
Light and ventilation provided by opening ports above galley

Navigation Station

Large chart table with tilt-up desk to starboard of companionway
1 x reading light
Hinged consol holding the instruments and electrical distribution panel
VHF with second external handset at helm
Stereo controls
Heater controls
Nasa Clipper BM-1 Battery monitor 12v

Forward Cabin

Large V Berth, approx 1.94m with removable bolsters
Stowage below berth
2 x Hanging lockers with shelf

Aft Cabin

Large double berth, approx 2m with 10cm foam mattress with washable cover
Battery isolators

Heads


Manual Marine WC ( Pump and hoses 2025)
Wash basin
Chrome single lever mixer tap and shower head combined.
Electric shower drain
Mirror
Wet weather hanging rail
Deck hatch for ventilation


Navigation Equipment
Raymarine i70 Wind, Speed, Depth at port helm
Autopilot control head at starboard helm
Raymarine Axiom chart plotter - starboard helm with AIS send and receive.
English channel Navionics charts for plotter (2020)



Machinery & Propulsion
Volvo inboard diesel engine (19hp / 13.8kW)
Sail drive to 2 blade folding prop with prop One coating 2025
Heat exchanger
Anti-syphon valve
Fuel filter with water separator
Emergency fuel shut off valve
Alternator charging with battery isolator
Engine room with acoustic & thermal insulation
Webasto hot air central heating to main saloon & berths (2025)


Rig & Sails Rig
Anodized Aluminium single spreader 9/10 fractional deck stepped mast
Anodised aluminium boom with 2 reefs, German mainsheet system (single point mainsheet if desired)
Roller Furler equipment
Self tacking jib
Adjustable Genoa cars
Stainless steel standing rigging (April 2023)
Running rigging (April 2023)
Backstay
Solid kicker/Vang
Stack pack & lazy jacks (2020)
Asymmetric deck gear +bowsprit on deck
Sails

Fully battened Elvstrom laminate mainsail (serviced 2026)
Elvstrom laminate 110% Genoa with UV Strip (serviced 2026)
Doyle top down furling asymmetric (2020)

Electrical Systems
12v ships system with distribution panel
220/240v shore power with battery charger
1 x 75ah Engine battery (2025)
2 x 75ah Auxiliary battery (2025)
Charger/Inverter
3 colour masthead light, Anchor light + remote controlled deck light

Audio Visual Fusion CD Radio Stereo with internal and external speakers (separate controls for cabin and on deck in cockpit) Plumbing & Tankage
160 litre approx Water tank
90 litre approx Fuel tank
45 litre approx holding tank
20 litre approx hot water tank
2023 All skin fittings and associated plumbing professionally replaced.
Hot & Cold water
Cockpit shower

Canvas work
Sprayhood in Grey (2020)
Cockpit enclosure (New 2020)
Cockpit cushions (New 2020)

Safety Equipment
Emergency tiller Additional Equipment
Winch handles
Fenders
Warps