Manta 46 Custom (California)

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Price Reduced! $240,000 (USD) Location: Newport Beach, CA (California)
S/V Ruatahi is a Newport Beach, CA based 1999 Manta 46 Custom Catamaran For Sale By Owner
This catamaran owner is open to considering trades.
This seller is open to offers via CatamaranSite escrow.

S/V Ruatahi started life as a 1999 Manta 40 and is now a Manta 46 catamaran for sale by owner.

Seize the moment with this exclusive offer to own an impeccably upgraded boat at an unparalleled price! Rethought by renowned Naval Architects with expertise in Gunboat yachts, this vessel is now on the market with an irresistible deal that demands your attention.

Experience a transformative upgrade, featuring extended sterns and rudders for enhanced performance and increased load capacity. Modified by Dencho Marine in Marina Del Ray, it guarantees top-tier quality. Boasting “kiwi props,” an extended rig, and other modifications, this sailing dream is now a reality.

But there’s more – enjoy a retractable bow sprit, deluxe hot water/heating system, A/C units, and solar panels. Rigorous inspections and annual servicing ensure it remains in pristine condition.

Don’t hesitate! The unbeatable price reduction makes this offer too compelling to overlook. This boat, complete with kayaks, SUP, all linens and galley essentials, is primed for your maritime adventures. Act now, as we’re open to offers. Secure your waterborne escapade today!

Catamaran Name:S/V Ruatahi
Model:46 Custom
Year Built:1999
Builder:Manta Enterprises (Sarasota, FL)
Designer:Manta Enterprises
Construction:Vacuum-bagged Core Cell and Nida Core honeycomb coring; Solid GRP below waterline
Loa:46 ft
Lwl:44 ft
Beam:21' 0" (6.4 m.); 53% LOA
Headroom:6' 4" (1.93 m.)
Draft:3' 8" (1.12 m.)
Displacement:16500 lbs. (7500 kgs.)
Mast Height:62' 6" (18.2 m.)
Bridgedeck Clearance:2' 5% LOA (min)
Holding Tanks:25 x 2
Galley Location:up
Engines:volvo MD 2030
Engine Hours:2500 approx
Sails:Mainsail..Radial cut Hydra-net square top
Jib...cross-cut dacron fully battened camberspar
Screecher... Kevlar/carbon composite

Layout Diagram

Catamaran Inventory


  • Totally updated contemporary look
  • All headliners replaced with marine plywood wrapped with foam lined vinyl
  • All ceiling areas insulated with 1" foil backed foam insulation
  • Counters refinished with Wilsonart laminates
  • Hull liner wall carpet
  • Flooring upgraded with waterproof vinyl planking (Driftwood)
  • Durable salon cushions (Taupe/Beige)
  • Cabinets, doors and drawers with wood finish
  • Lighting updated with LED lights

Owners hull

  • 6" foam Queen mattress (2019) with a 2" topper
  • Hull wall carpet
  • Double door cedar lined hanging locker
  • 4 drawers and footlocker for storage
  • Hatch, 2 port windows and AC for increased ventilation
  • 4 shelf bookshelf at bottom of stairs. 2 steps lift for additional storage
  • Finally a large pantry with shelving and 2 large 24" drawers for ample storage
  • 3/8" glass shower door.
  • Deluxe Moen hardware with shower head and hand held sprayer
  • Hurricane heating system for hot water and cabin heating
  • Fold up bench seat
  • Jabsco Quiet Flush toilet
  • Oval SS sink with brushed nickel faucet
  • Wilsonart laminate countertop

Guest hull

  • Two cabins 1 double,1 single berth
  • Hull wall carpet
  • Single door cedar lined hanging locker
  • 3 drawers and footlocker for storage
  • An additional large drop in tool storage box
  • Hatch, 2 port windows and AC
  • 4 shelf bookshelf at bottom of stairs.
  • 2 steps lift for additional storage

Starboard Head

  • Hatch, port window and fan for ventilation
  • Lots of storage


  • L shaped settee with durable fabric cushions (2019)
  • LG 21" TV/DVD player on swing arm
  • sound bar
  • Stereo system


  • U shaped galley with Dometic Wedgewood 3 burner stove (2019)
  • toaster
  • Microwave
  • Wood laminate doors and draws full extension drawers with lots of storage
  • SS double sink with brush nickel gooseneck faucet and soap dispenser
  • Dual lid drop in Fridge/Freezer 10 cu.ft.
  • 4.0 GPH fresh water pump


  • Captains chair
  • Bomar cockpit hatch
  • Cockpit cushions
  • Newer Isenglass enclosure
  • Newer custom sun shades
  • Aluminum Bimini/arch
  • Harken 44 Classic power winch
  • Harken 40 2-speed winch astern for Spinnaker


  • NMEA 2000 based system that interfaces with your current boat systems
  • Monitors boat safety -Anchor alarms, High Bilge alarms, Watermaker production, tank levels, etc
  • 4- 4.1" multi function displays.
  • Raymarine integrates nav system
  • Volvo engines to monitor RPM, temperature, and alternator voltage outputs
  • Tank level monitor for Diesel and Fresh Water Tanks
  • DC Current monitor to monitor DC voltage
  • AC Current monitor to monitor Invertor or Generator voltage
  • GPS antennae and receiver
  • Depth, speed, temperature transducer
  • Dual engine audible alarm


  • New Blue Seas distribution panels
  • New 6-180 watt solar panels
  • MPPT 100/50 charge controller(2019)
  • Link Battery Monitor
  • 6-6 volt AGM batteries. 620 amp hours
  • 2-600 CCA Engine starting batteries
  • Pure Sine Inverter/Charger

Deck & Hull

  • Lifelines
  • 2 additional stern cleats for cross tying
  • LED running lights and anchor lights
  • LED spreader lights, steaming and foredeck lights
  • 6 Bomar hatches and 8 port windows

Sails & Rigging

  • Tall rig and custom boom
  • Hydra-net Mainsail by EP Sails
  • Signature Manta Camber Spar Jib by EP Sails
  • Asymmetrical Spinnaker with sock
  • Screecher/reaching sail on continuous line fuller
  • Mainsail and Jib covers

Engines & Mechanical

  • Volvo MD2030 (approx. 2500 hrs )
  • Sail drives - Volvo S130
  • New Kiwi prop 3 Blade feathering propellers and hubs. (2020)
  • Nextgen 3.5 Kw Generator
  • Hurricane on demand hot water/heating system
  • Dometic 16,000 BTU Reverse cycle AC/ heater
  • Dometic 10,000 BTU Reverse cycle AC/ heater
  • Adler Barbour ColdMachine CU-100 condensing unit with evaporator plate


  • West Marine RIB
  • Yamaha 9.9hp 2 stroke motor


  • All US Coastguard required equipment

Anchor & Docking

  • 60lb Rocna
  • Dock lines and fenders

Catamaran Photos