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Owen Clarke Performance Yacht Brokerage are pleased to add to our listings this famous race winning multihull. 'XL2' is a modified and much updated Crowther Shockwave 40ft Catamaran, famous for her offshore race winning achievements in Australian waters.

Built by the legendary Australian boat designer and builder Lock Crowther, his first boat was a trimaran built in 1959 while he was still a teenager.  Over 2500 boats were built using his various designs. Crowther Cats are known for applying innovative materials at the time, like GRP-foam sandwich construction, and concepts like wave piercing bows.

Her current owners have decided to move on to new horizons and hence this very potent catamaran is available for sale. Most recently 'XL2' has been used as a weekend racer but also has the ability for fast blue water cruising. She comes incredibly well presented, and ready to sail away.

With a new paint job and rebuild in 2016, she returned to the workshop in 2019 where she was extended with new reverse bows for increased stability and hence safety; the extensions also increase the length which in turn will increase ultimate overall speed.

Currently used as a weekend racer but with the ability to cruise or race. Fitted with two double berths and two singles (a further two single berths could also be added aft), 'XL2' would be ideal as a safe, fast cruiser in the camping on water style.

No work required, and she could be shipped or sailed to anywhere in the world.

LOA: 12.80 m
Beam: 7.9 m
Draft: 0.9m to 1.9m
Displacement: 3200KG
Built: 1988
Builder: Windspeed Cats QLD
Designer: Lock Crowther
Lying: NSW, Australia
Price: SOLD


  • New 2019 Allyacht spars
  • 2 x spreaders
  • Carbon Boom, Longeron and Prodder
  • All new rigging (Dieform) and halyards (Dyneema) + new backstays
  • 2:1 Main halyard
  • 1 x Jib
  • 2 x Fractional
  • 1 x masthead
  • 1 x Lazyjacks
  • Main: Carbon String  2017 (Light use)
  • Jib No1: new carbon Barra
  • Jib No2: 2017 Carbon North  (Good)
  • Upwind Zero: New Carbon Barra on Ronstan Furler
  • Downwind Zero: 2017 Carbon Quantum (Very good) on Facnor Furler
  • Spinnaker: North 2017 (Good)
  • Batten cars are Ronstan Ball


  • All top brand blocks and cleats
  • 5 x Harken winches
  • 2 x Anderson winches
  • 2 new x Harken 3 speed (AC45 cup boat) winches



  • Stb: Galley 2 x Burner stove new
  • Sink with pressure water
  • 12v Outlet for fridge
  • Single bunk forward
  • Double bunk middle
  • Port: Toilet manual with holding tank or pump straight out
  • Sink with pressure water
  • Bunk Forward
  • Double bunk middle
  • Cushions for all
  • Interior has new LED lighting plus 5 x 12v USB outlets


  • All new and rewired
  • 1 x Lithium 200AH with room to add more (We use only on the weekend)
  • Raymarine touch GPS / speed / depth
  • Raymarine VHF + Handheld
  • Stand alone second Lowrence GPS / plotter
  • Portable solar panel with controller
  • New VHF radios


  • Single center Honda 20HP with removable tanks (Low hours)


  • Pressurised fresh water system tanks in both hulls
  • Holding tank


  • Jack stays top and bottom
  • 10 x inflatable lifejackets
  • EPIRB (GPS) all CAT 3 safety


  • Comes with brand new inflatable tender and Honda 2hp four stroke outboard



Inventory and description to be confirmed, subject to contract.

For further details, access to the image library or arrange a viewing contact: BROKERAGE

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