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Oyster 435

Ipswich, United Kingdom
Length: 42ft / 12.8m

Price £64,500 inc Vat

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Boat Details


  • Builder: Oyster Marine
  • Designer: Holeman and Pye
  • Construction: GRP


  • Length (Feet): 42
  • Length (Metres): 12.8
  • Beam: 13' 11"
  • Max Draft: 6' 0"
  • Fuel Capacity: 1 x 296 L (65 Gal)
  • Water Capacity: 1 x 546 L (120 Gal)
  • Holding Capacity: 1 x 70 L (15 Gal)


  • Number of Engines: 1
  • Engine Make: Nanni
  • Engine Model: N4.43D.HD
  • Fuel: Diesel
  • Engine Hours: 686
  • Type of Propeller: 3 Blade
  • Total Power: 43


Designed by Holman and Pye and built by Oyster Marine in 1986 the Oyster 435 coachroof is good looking aft cockpit version of a well renowned hull design. Hull no. 28, launched in 1986.

The aft cockpit version of the 435 has a practical internal layout with a good, social saloon and comfortable sleeping accommodation.


White GRP hull with cove, boot and style lines, preventative epoxy coatings applied in 2003 to the underwater surfaces. White GRP topsides with teak laid sidedecks, cockpit seats and cockpit sole. Internal structural floors and stringers to Lloyds approved design specification. Internal joinery in teak with teak and holly floorboards Fin keel with cast iron, encapsulated ballast. Wheel steered to skeg hung rudder (pedestal bearings replaced in 2012).


Nanni N4.43D.HD, 43hp diesel engine. New in 2011. Fresh water cooled with heat exchanger. Flexibly mounted beneath cockpit. Z drive reversing reduction gearbox with single lever control, new in 2011, to 3 bladed feathering propeller. Rope cutter. Approx 686 hours, October 2017.

Fischer Panda 4KVA generator. Reconditioned in 2011.

Bowthruster – Vetus 80KGF


Fuel (white diesel) –  296 litres in GRP tank beneath saloon (Tank cleaned 2012).

Freshwater –  546 litres in 2 x GRP tanks under saloon seating.

Hotwater –  30 litres – Calorifier heated by engine and, 240v and diesel heating immersion.

Holding Tank – 70 litres, aft heads with macerator discharge pump.


12volt system – 2 x 125ah domestic batteries (2012) and 1 x 125ah (2015) engine start battery, charged by engine alternator, generator or 220v battery charger. Oyster distribution panel (renewed in 2003) with multifunction switches. Galvanic isolator.  

LINK 10 Battery management system. Sterling battery charger.

12v lighting LED throughout.

12v Nav. Lights including bow, stern, deck flood and mast head tri-white.

2 x 80w solar panels. 2 x 80ah batteries in bow for bow thruster.

220volt system – Shore cable, connector, RCB

220v outlets throughout

Immersion heater in hot water tank.


6 berths in 3 cabins excluding saloon

Teak internal joinery work

Blue velour upholstery throughout.

Hot and cold pressurised water

Webasto HL32 diesel fired warm air heating system

Frigoboat 12v refrigerator (2013)

Aeration fans fitted to galley, saloon, aft cabin and forward cabin.

Fwd cabin – V-berth with infill to form double berth. Storage under and in hanging locker. Vanity Mirror to Starboard.

Fwd Heads – to port with s/steel with washbasin, H&C pressure water, Jabsco sea toilet piped to either sea or holding tank. Shower with shower drain and teak grating. Doors to both saloon alleyway and fwd cabin.

Bunk cabin – to starboard with 2 x bunks and Stowage under.

Saloon – Large Settees to port and starboard with bookshelves / lockers outboard. Clock & Barometer on bulkhead. Fixed saloon table with folding leaves. Can seat up to 6 people to dine.

Galley – To port under cockpit - 2 Stainless Steel sinks, H&C pressurised water. Top opening 12v refrigerator. Force 10 cooker with 2 burners, oven and grill. Microwave. Manual fresh water pump. Tap with in-line filter to make drinking water from tanks. Plenty of stowage. Table/workspace extension in Galley area Midships. 

Chart table to starboard with large outward forward facing table, folding large navigators seat, instruments and switch panel.

Aft head – To starboard with s/steel washbasin, H&C pressure water, Jabsco sea toilet, shower with shower drain and teak grating. Doors to both saloon and aft cabin.

Aft cabin – Accessed from galley. Double berth with dressing table. Large hanging locker.


Mainsail – Slab reefed with Lazyjacks, fully battened. Dolphin 2003

Genoa – Furling headsail. Dolphin 2003

2 x Spinnakers


2 x Antal W52 self tailing electric Primary winches

 2 x Lewmar 43 self-tailing secondary winches

1 x Lewmar 30 self-tailing mainsheet winch

2 x Lewmar 40 halyard winches


Keel stepped sloop rig.

Kemp silver anodised alloy double spreader mast

Kemp silver anodised alloy, slab reefing boom.

Hood genoa furling foil.

Stainless steel standing rigging

Removable inner forestay with Darmac adjuster

Jockey pole stored on stanchion holders.

Kemp sprung boom kicker

Mast stowed spinnaker pole.

Navigation Equipment

SIRS Major helmsman’s compass.

 B&G Hydra 2000MFD log, speedo, wind and depth

B&G Hydra 2000 FD at chart table

Raymarine Radar with RL80c display in cockpit and RL70c display at chart table.

Raymarine RL80CRC chart plotter display chart table and RL70c display at chart table.

Autohelm 6000 autopilot with S100 wireless remote

ICS Nav 6 Navtex

Raymarine RAY230 VHF DSC radio with loud hailer

Metsair WIFI booster and aerial (2014)              

Deck Equipment

Practical deck layout with deep, secure cockpit and wide sidedecks.

Wheel steering pedestal with leather covered wheel and pedestal mounted instruments. Teak cockpit table. Stainless steel pulpit, pushpit, stanchions and guardwires. Low profile coachroof with stainless steel grabrails. Stainless steel “Granny bars” at mast. Bow, stern and spring mooring cleats. Sprayhood (2012). Cockpit bimini (2012). Passarelle. Bathing platform. Liferaft stowage on pushpit. Various mooring warps and fenders. Anchor, chain and warp. SL Seawolf anchor windlass (re-conditioned in 2014). Deck shower with hot and cold water.

Safety Equipment

Automatic electric bilge pump

Manual bilge pump in cockpit

Plastimo 6 man Liferaft mounted in cradle on pushpit – needs servicing

Fire blanket

2 x 1kg Fire Extinguishers (not guaranteed in date).

Lifesling MOB recovery system

2 x Horeshoe lifebelts with lights

NASA gas alarm

Firdell blipper RADAR reflector

FYS Comments

A well presented version of the popular Oyster 425, Aft Cockpit version. Oyster Yachts built 65 Oyster 435’ making it their second most popular model. She has been well maintained and cared for.


In this instance Fox’s Yacht Sales are acting as brokers for the vendor.  The vendor has provided the information and whilst we endeavour to ensure the accuracy, the details are believed to be correct but are not guaranteed.  Any prospective purchaser is advised to check the boat specification thoroughly and to employ at their expense a qualified marine surveyor and/or engineer to check the specification and condition of this craft and its equipment.


Electric bilge pump

Log speedometer


Spinnaker pole

Manual bilge pump

Wind speed and direction

Cockpit shower

Steering wheel



Battened mainsail

Furling genoa




Cockpit table

Bow thruster

Spray hood

Bimini top


Marine head

Battery charger


Teak cockpit

Shore power inlet

Hot water

Microwave oven



Mainsail cover

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