Oyster 435 for sale (1986) in Truro, Cornwall, United Kingdom

The Oyster 435 remains one of the most admired yachts in Oyster’s heritage. A design celebrated for her blend of bluewater endurance and graceful lines.
Soundwaves stands out as a well-equipped, meticulously maintained example with thoughtful upgrades for long-term liveaboard or ocean cruising. With her renewed rigging, modern electronics, generator, water maker, and bow thruster, she is turnkey ready for extended adventures and oceans yet to cross.
Soundwaves is based in Truro, Cornwall and available for immediate viewing. Call Falmouth office to arrange.

White GRP hull with blue cove line, boot top and style stripes (epoxy coated 2019)
Teak laid decks, cockpit seats, and sole
Internal GRP structural floors and stringers built to Lloyd’s standards
Fin keel with encapsulated cast iron ballast
Skeg-hung rudder (pedestal bearings replaced 2012)
Preventative epoxy coatings applied to underwater surfaces (2003)
LOA: 43 ft 5 in (13.23 m)
LWL: 36 ft 0 in (10.97 m)
Beam: 13 ft 2 in (4.01 m)
Draft: 6 ft 3 in (1.91 m)
Displacement: Approx. 13,800 kg
Ballast: 4,500 kg (cast iron, encapsulated)
Designer: Holman & Pye
Builder: Oyster Marine Ltd, Southampton, UK

Engine: Nanni N4.43D.HD, 43hp diesel (new 2011)
Drive: Z-drive reversing reduction gearbox (new 2011)
Propeller: 3-bladed feathering prop with rope cutter
Engine Hours: Approx. 1268
Generator: Whisper Picollo  5kVA (reconditioned 2023)
Bow Thruster: Vetus 80KGF
Watermaker: Installed for long-range cruising
Fuel: 296 litres (GRP tank)
Fresh Water: 546 litres (2 x GRP tanks under saloon seating)
Hot Water: 30 litres (calorifier + immersion heater)
Holding Tank: 70 litres (aft heads with macerator pump)

12V DC System
3 x 130Ah domestic batteries (2025)
1 x 125Ah engine start battery (2017)
2 x 80Ah bow thruster batteries
Charging via alternator, generator, or shore power
Oyster distribution panel (renewed 2003)
LINK 10 Battery Management System
Sterling and Victron Centaur chargers
2 x 180W solar panels
LED lighting throughout
LED masthead anchor light
220V AC System
Shore power with RCD protection
7 x 220V outlets throughout
Immersion heater
DAB Stereo Radio
TV

Autopilot: Autohelm 6000 with S100 wireless remote
Radar: Raymarine Radar with RL80c cockpit and RL70c chart table displays
Chart Plotters: Raymarine RL80CRC at chart table, RL70c at helm
Depth, Speed, Wind: B&G Hydra 2000 system (cockpit and chart table)
VHF: Cobra Marine DSC VHF (2023)
NAVTEX: ICS Nav 6
WIFI Booster: Metsair system (2014)
Compass: SIRS Major helm compass
Radar Reflector: Firdell Blipper

Rig Type:
Sloop, keel-stepped mast
Spars:
Kemp anodised alloy mast and boom with double spreaders
Standing Rigging:
Replaced 2019 (stainless steel)
Running Rigging:
Regularly renewed
Sails:
Fully Battened Mainsail with lazyjacks (Dolphin, 2003)
Furling Genoa (Dolphin, 2021)
Trysail
Spinnaker + Snuffer
Furling Code 0
Storm Jib
Sail Handling:
2 x Antal W52 self-tailing electric primary winches
2 x Lewmar 43 secondary winches
1 x Lewmar 30 mainsheet winch
2 x Lewmar 40 halyard winches
Kemp boom kicker and mast-stowed spinnaker pole
Hood furling system for headsail

Deck Layout:
Deep, secure aft cockpit with wide side decks
Steering:
Wheel pedestal with leather-covered wheel and instrument pod
Anchoring:
SL Seawolf windlass (reconditioned 2014), anchor, chain and warp
Stainless steel pulpit, pushpit, stanchions and granny bars
Teak cockpit table
Sprayhood (2012) and Bimini (2012)
Passarelle and bathing platform
Hot and cold deck shower
Mooring cleats, fenders, and warps included

Seago 4 man liferaft
Ocean Signal EPIRB
Fire blanket, fire extinguishers
Lifesling MOB recovery system
2 x Horseshoe lifebuoys with lights
NASA gas alarm
Radar reflector

Berths: 6 in 3 cabins plus saloon
Interior: Handcrafted teak joinery with blue piped upholstery (2022)
Forward Cabin: V-berth (converts to double), vanity unit, storage lockers
Forward Heads: Jabsco marine toilet, stainless sink, shower, holding tank
Starboard Bunk Cabin:Two single berths with storage
Saloon: Two large settee berths, folding teak dining table, clock & barometer, lockers
Galley (Port):
Twin stainless sinks Force 10 gimballed cooker with oven & grill
Microwave
Frigoboat 12V fridge (2019)
Hot/cold pressurised water, manual fresh/salt pumps
Ample stowage and counter space
Navigation Station: Outward-facing chart table, navigator’s seat, instruments & switch panel
Aft Heads: Stainless sink, H&C water, Jabsco toilet, shower
Aft Cabin: Double berth, dressing table, hanging locker, stowage
Heating: Planar 44D diesel system 2018
Lighting & Ventilation: LED lighting and aeration fans throughout