Built in 1998 and designed by Ian Anderson, CANTARA OF RHU is a rare Seastream 465 and one of only a limited number produced. This hand-built, bluewater cruising yacht features a sea-kindly hull, secure cockpit, and raised deck saloon, offering comfort and visibility below. The cutter rig is easily managed, and the interior includes two double cabins, one twin, and quality joinery throughout. Based on Scotland’s west coast since 2004, she’s been well maintained and wintered ashore annually at Silvers Marine. A standout 15m deck saloon yacht with pedigree, ideal for serious cruising.ConstructionRCD Status: Our understanding is that the yacht is exempt from the essential safety requirements of the Recreational Craft Directive as she was built and placed into use within the EU prior to 1998. Hull, Deck & Superstructure Construction:GRP Hull with epoxy primers.Isopthalic resins used throughout.GRP deck and cockpit with full laid teak.Spacious cockpit with raised bridge deck.American Red Cherry Interior finish.Deck saloon giving excellent visibility.Saloon raised deck with soundproofed locking soleboards.Solid soleboards of varnished cherry or painted teak.Opening transom with boarding ladder.Teak capped toe rail. Keel & Rudder:Moderate encapsulated fin keel with 5.0 tons lead ballast.Skeg hung rudder.MachineryEngine & Gearboxes:1 x Perkins M90. Marinised Perkins 4,236 diesel engine. 4 cylinders. 4 Litres. 86HP at 2800 revs. Reg Total Power 66.39 kw.Racor spin on primary fuel filter with vacuum gauge and contamination sensor.Reserve Racor filter unit with sediment bowl and sensors.Remote Perkins oil filter.Gearbox Newage PMR 160.Hydraulic clutch. Maintenance & Performance:Run time - 4,226hrs @ October 2025. Propulsion & Steering:Bi-rotational.2;1 reduction shaft drive.Gearbox oil intercooler.Aquadrive thrust bearings and shaft alignment system.Manecraft shaft water seal.19.5" 3 Blade fixed propeller.1.5" Stainless steel prop shaft with rope cutter.Bowthruster. Vetus 80KGF. 8hp.Lewmar Engard pedestal with Mamba geared steering system.Lewmar pedestal with magnetic steering compass and instrument display.Hide covered Whitlock steering wheel.Emergency steering tiller.Electrical SystemsVoltage Systems:Adverc current regulator.220-volt ring main with 13-amp outlets throughout.2 x 12 volt cigar lighter socket. Battery Banks:Engine, windless and bowthruster battery. Single 12V Mastervolt Gel @200a/h.Service batteries. Three 12V Mastervolt Gel @200a/h giving 600a/h.Engine and Service batteries can be linked giving 800a/h. Battery Chargers:Mastervolt Mass 12/80 battery charger.Heart Interface Freedom25 invertor/battery charger.Heart Interface Link 2000 battery monitor. Alternators:80-amp alternator and 160-amp high output second alternator. Generator:Generator. Mastervolt Whisper Power MSQ6 6kw 1500 rpm.Run time 476 hrs. Shore Power:Shore power connection and lead.Plumbing SystemsRemote gas solenoid.Cockpit deck wash hose point.Forepeak gas locker for two Campingaz 907 cylinders. Fresh Water & Water Heating System:12 volt pressurised fresh water pump.12-gallon calorifier with thermostat, engine coolant coil and 220-volt immersion heater.Additional fresh water foot pump. Watermaker:Sea-Fresh H20 desalinator. Bilge Pumps:2 x Electric bilge pumps with delay system and flood alarms.3 x Manual bilge pumps.TankageFuel:Single stainless steel fuel tank holding 150 gallons (570 litres). Fresh Water:Single stainless steel fresh water tank holding 150 gallons (570 litres). Grey/Blackwater Holding Tanks:20-gallon stainless steel grey water tank with electrical pump and hand pump.2 x Independent black water holding tanks with deck suction ports.Navigation EquipmentRaymarine C 120 chartplotter with Navionics gold cartography (2010).Raymarine 2kw 18-inch radome radar (2010).Raymarine RS150 GPS receiver (2018).Raymarine AIS receiver (2010).Raymarine ST80 instrumentation with navigation, pilot, heading, speed, wind, log, depth, and MOB functions and helming position repeaters (2010).Autohelm ST80 autopilot with linear drive (1998).Furuno Navtex NX300 receiver (2010).Furuno GP32 GPS/WAAS Navigatorm (2010).Icom M411 VHF with cockpit speaker (2010).Hart tank tender for fuel, water, and grey tanks (1998).Target HF3 short wave communications receiver (1998).Pains Wessex Precision 406 GPS and EPIRB (2002). Hawk radar reflector (1998).Domestic EquipmentGalley:Smev galley stove with four burner hob, grill, and oven.Panasonic 220-volt microwave oven and grill.Isotherm 85 litre refrigerator.Isotherm ice box refrigerator. Heads/Showers:ITT Par whisper quiet heads with large bowls.Showers with electric pump out.Dry storage locker in aft shower.Cockpit shower. Heating & Ventilation:Eberspacher D5L central heating system, ducting and 6 x outlets.Ella two speed fans in cabins. Entertainment:13.3-inch Meos digital television in saloon.Sirius AM/FM Radio / CD and DVD player with stereo speakers.With active masthead TV aerial. Lighting:Extensive 12-volt cabin and reading lighting throughout.Red lighting at chart table and galley.AccommodationSummary of Accommodation:The interior is finished in Solid cherry and cherry veneers with alcantara upholstery.Six berths in three cabins.Fore cabin with two berths is a watertight compartment.Starboard two berth lateral cabin opposite port side galley.Fore heads with basin and shower has access from lateral cabin.Elevated deck saloon with two optional additional berths.Navigation and chart table to port in saloon.Cabins fitted with day cabin seating.Dining booth and extending table to starboard in saloon.Saloon cocktail cabinet and wine locker.2 x Large tub bookcases in saloon.Aft cabin with double berth and single seat.Oilskin locker off saloon.Spacious lockers throughout.Aft heads with basin and shower off aft cabin.Lichen Green Alcantara upholstery throughout.Light brown polypropylene gel back carpeting throughout. Lee cloths in cabins.7-inch brass quartz clock in saloon.7-inch brass barometer in saloon.5-inch brass quartz clock in aft cabin.Binocular rack.8mm aluminium storm boards for deck house windows. Description of layout from forwards:V-berth with infill and stowage to port.Linnear galley to port. Twin cabin with removeable top bunk.Forward W/c both ensuite and door to companionway.Forward facing navigation area to port with additional seating aft of this.Ample saloon seating to starboard with saloon table.Access to aft cabin or starboard with offset double berth to starboard and hanging stowage.Ensuite W/C to port.Deck EquipmentRig:Cutter headed sloop.Stainless steel rigging.Custom aluminium spars in white Awlgrip.Seldon. keel stepped mast with in-mast mainsail furling.Seldon. boom on Lewmar mainsheet adjustable car and track.Seldon. kicker with RCD.Seldon spinnaker pole.Schaefer genoa furlerSchaefer inner jib furler.Lewmar. mainsheet track.Deck, navigation, steaming and masthead tricolour lights.Control lines leading to cockpit.2 x Genoa halyards.1 x Inner jib halyard.Mainsail halyard.Spinnaker halyard.Spinnaker pole hoists.Masthead Gantline.Masthead flag staff and halyard.Spreader flag halyards. Winches: Anderson, 2 x ST 40 halyard at mast, manual.Anderson, 2 x ST 40 control lines at coachroof, manual.Anderson, 2 x STE 52 primary, electric.Anderson, 2 x ST 46 secondary, manual.Line tailer winch for mainsheet track, manual.Line tailer winch for spinnaker pole hoist, manual.Emergency off switch and solenoid for electric winches. Sails: Foil Sails, Furling mainsail, Dacron, 1998.Foil Sails, Yankee jib, Dacron, 1998.Foil Sails, Spinnaker with Snuffer, Nylon, 1998.Foil Sails, Storm trysail, Dacron, 1998.Nicolson Hughes, RF Genoa, Dacron, 2006.Nicolson Hughes, RF Mainsail, Dacron, 2008.Nicolson Hughes, RF Genoa, Vectran, 2014.Nicolson Hughes, RF Inner Jib, Vectran, 2018. General:Stainless steel pulpit, pushpit, guardrails, boarding gates, and ladders.Cockpit folding table and mug rack. Anchoring & Mooring Equipment:Lofrans Leopard windlass with chain gypsy and line drum.60lb CQR anchor with 100m of 10mm bar link chain.Bruce 20 kilo anchor with 10m of 10mm chain and 50m warp.45lb CQR spare anchor.60m additional 10mm bar link chain.Catenary collar with 56lb weight.Folding kedge anchor.Fender board and 6 x inflatable fenders.Topside fender cloth.2 x Long ash wood handled boathooks.Large assortment of warps and lines. Covers, Canvas & Cushions:Fixed cockpit screen with fold down spray cover.Unused cockpit tent and bimini cover.Wheel/binnacle cover.Set of cockpit and pushpit seat cushions. Tender:Forespar stainless steel lifting davit.Stainless steel dingy davits.Pushpit outboard bracket.10ft Zodiac dinghy.Cockpit wired for dinghy inflator and spot light.12 volt tender inflator.Safety Equipment Lifeguard “B” pack 6-man canister liferaft with foredeck mounting. Service certificate expired.Additional cockpit liferaft mountings.Lifebuoy with lights.Danbuoy.Lifesling buoy with 30m floating line.Safety webbing Jack lines to fore deck.Second SS wire set of Jack lines.Cockpit pad eyes for safety harness lines. Fire-Fighting Equipment:Gas detection and alarms system.Engine room auto fire extinguisher.Fire extinguishers throughout.Overwintering & Routine Maintenance Annually since 2004 she has been slipped around mid-September and laid up in a purpose boat hanger along with other yachts at Silvers Marine Rosneath. The mast is racked in a mast shed. She has been launched around late-April. For the past 20 years she has then been laid up indoors for over 7 months each year. In 2020 she was not launched. The annual programme of routine preventative and corrective maintenance includes the following: In colder months, a dehumidifier and 1/4kw heater are set up internally.Antifouling is pressure washed and Scotbright pad manually scrubbed.Two coats of Micron Extra antifouling biennially.Topside Starbright hull cleaner wash.Topside manual G4 cut followed by resin/wax polish.Chains and anchors are lowered to ground to dry out and repaint depth markings as indicated.Fresh water tank drained.Grey tank and drains – Biological/enzyme drain cleaner added.Both boat and generator engines are winterised by circulating fresh water antifreeze in the raw water systems.Engine oil change.Gearbox oil change.Racor and Perkins diesel filters changed.Engine Perkins oil filter change.Engine raw water impellor changed biennially.Coolant checked and topped up.Coolant has been fully drained and changed 3 times.Generator oil changed biennially.Generator fuel and oil filters changed biennially.Generator impellor changed occasionally.Generator coolant checked and topped up.Bilges cleaned and bilge pumps and float switches checked and cleared.Diesel fuel tank has been opened, checked, and cleaned out on one occasion. Minimal sediment and no evidence of diesel bug.Grey tank has been opened and cleaned out twice.Galley stove removed and thoroughly cleaned.Varnish work and paint work as indicated.Windlass oil change occasionally.Carpets removed and washed.Carpets replaced 4 or 5 yearly.Mast and spars cleaned and polished.Sails to sailmaker to be checked, laundered. repaired and stored.Zinc anodes checked and replaced as necessary.Upholstery. Alcantara panels replaced when worn.Teak decks - Boracol 5Rh biocide treatment – 2 to 3 yearly.New gas regulator occasionally.Locker catches frequently replaced.Electrical and electronic attention as necessary.Numerous other small jobs as indicated.Specific Maintenance & ReplacementsMuch of the routine maintenance was done by the owner otherwise the more complex or detailed tasks were given over to Silvers Marine and other specific contractors. It was fortunate that the electrical and electronic maintenance was done by one interested and well-informed boat electrician. The following specific replacements and maintenance has been done: 2005:Generator - new exhaust anti siphon system fitted. 2006:New Mastervolt battery charger fitted.New RF Genoa by Nicolson Hughes.Cockpit radio speakers replaced.Fore cabin, heads and side cabin hatches removed and reset with Sikaflex sealant.Domestic battery switch replaced.Fitted stainless steel heat shields to woodwork around galley stove.Fitted deckwash pump with cockpit hose point.Heart charger – new cable to control panel.New lateral cabin cot canvas. 2007:Mainsheet traveller replaced with Lewmar size 2 track with line control.Stainless steel masthead flag staff fitted.Chaffed Genoa halliard replaced.Boom and traveller blocks replaced.Fore cabin stanchion leak - fibreglass repair and stained woodwork replaced.Mast electrics wiring fully replaced and fitted with connector plugs including radar wiring junction box.Masthead antennas replaced.Freshwater pump replaced with Para-max 4 - 25psi.Grey tank pump replaced with filter less Jabsco discharge pump.Cracked generator coolant hose replaced. 2008:Rudder removed and modified as specified by Ian Nicolson to bring surface area to mid-point of area formula.Stemhead fitting removed and forepeak backplate fitted as specified by Ian Nicolson to give forestay additional support.Original Whitlock pedestal with quadrant and pinion steering replaced with Lewmar Engard pedestal incorporating upgrade Mamba steering system.New in-mast furling mainsail.Topside fender cloth made.New cabin radio with CD and DVD player fitted. 2009:New Selden kicker fitted.New forestay turnbuckle with toggle and threadeye.Stainless steel wire inner forestay replaced. 2010:Antifouling and underwater basecoat lightly sand blasted off down to gelcoat.5 coats of International Gelshield 200 applied (green, grey, green, grey and finally grey) followed by antifouling.Galley ventilator and Dorade box renewed.Navigation electronics converted to Raymarine instrumentation.Nav station woodwork modified to accommodate instruments.Grey tank pump switch – 10-volt relay fitted.Grey tank – manual Whale Gulper Urchin fitted with isolation valves.New forward heads macerator fitted.New cable to forward heads. 2011:Racor filter – In line vacuum gauge fitted.Mamba steering gearbox serviced and bearings replaced.Pedestal top plate seal replaced, and other points sealed.Outer stainless steel wire forestay replaced.Gearbox output shaft oil seal replaced.New galley stove – Smev CU311 with gimbals. 2012:Lofrans windlass control unit replaced. 2013:New stainless steel bin lid and bin added to galley.Stainless steel cap, intermediate and lower shrouds replaced. 2014:Digital TV - Meos 13.3-inch replacement.Gas locker - gas solenoid replaced.Forward heads seacock changed. 2015:Perkins engine – New Serc raw/fresh water intercooler fitted. 2016:Whisper Power MSQ6 replacement generator installed. 2017:Chronometer – replace quartz clock movement.Shower hoses replaced.Engine - Perkins Coolant tank 105 deg C alarm switch replaced.4 x Mastervolt MVG 12/200 engine and service batteries.Manecraft prop shaft water seal replaced.Stern tube and skeg cutlass bearings examined- in good order.Engine and gearbox control cables replaced and reset.Gearbox clutch pack replaced. 2018:Raymarine – fitted new RS150 GPS Receiver.Perkins engine 4 new atomisers fitted.Perkins primary fuel lift pump replaced.Perkins fuel lift hand pump replaced.Perkins thermostat replaced.Perkins glow plug thermostat replaced.Replaced engine belts.Engine room automatic fire extinguisher replaced.Perkins engine – Vitus 76mm exhaust hose replaced.Fitted second hand ST80 log impellor unit.Replaced kicker gas strut.New sprayhood.New wheel/binnacle cover.New inner jib. 2019:New Aquadrive unit fitted along with new shaft thrust bearings.Lorfans windlass 12v 1.5kw motor replaced.Professional topside fine compound polish and wax finish.Vetus bow thruster control panel replaced.80-amp alternator replaced.Coolant water pump replaced. 2020:Eperspacher heater serviced with replacement of heat exchanger, glow plugs and fuel filter.Aft cabin leak from deck fitting – Fibreglass repair. 2021:New Seldon mast cover plates fitted.Engine – new starter relay fitted.Shower drain delay switches replaced.Grey tank pump diaphragm and valves replaced. 2022:Isotherm Magnum water pump – Valve pack replaced.Inner jib - Schaefer furler drum assembly and bearings replaced.Perkins engine raw water pump replaced.Zodiac dinghy oars replaced. Retractable wheels to dinghy.Dinghy valves renewed.New SS Lewmar/Whitlock throttle and gearbox handle fitted.Galley stove – new spark electrodes fitted. 2023:All in good order. 2024:All in good order. 2025 (Proposed Works):Replace Isotherm fridge compressor.In preparation for sale; professional topsides cut and polish; repaint boot top blue lines.