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Williams Sportjet 520

Brace yourself for unbridled exhilaration on the class-leading Williams SportJet 520. Reach up to a white-knuckle inducing 52mph in a tender that combines fast acceleration with modern technology and prestigious refinement.

Designed with owners of 30-metre plus yachts in mind, the Williams SportJet 520 jet tender is the biggest and most powerful of the SportJet models in the Williams range of tenders.  Feel the mighty 200hp BRP ACE 1503 engine, offering ample thrust to tow keen water-skiers and wake boarders.

Check out the sports platform, a great spot to ready yourself before taking to the water – whether water-skiing, wakeboarding or swimming. Plus, the integrated handy ladder means you have easy access to climb back onto the boat.

Besides being a fun water toy, the Williams SportJet 520 makes an excellent versatile and reliable tender. Smoothly carrying up to seven passengers, those yacht to port transfers and of course adventures seeking out secluded beaches are utterly pleasurable.  When you have found the perfect spot to sunbathe and relax, its flexible highly functional design comes into play…The backrest that supports both passengers in the aft-facing and helm-facings positions can be adjusted to turn the seating into an inviting large sunpad.

Generous storage below the dashboard and underneath the bow seat, caters for all your essentials and much more besides.

This is a tender that has been cleverly designed to make every task simple. For example, its windscreen is designed to flip-down, allowing the boat to slip easily into low-height yacht garages.

Adaptable too, this Williams SportJet model can be fitted with a range of accessories to make this a real pleasure craft.  Opt for LED lights, a Bimini, a dodger, a Chart Plotter or Fusion MP3 audio system and more. The opportunities to adapt the tender to your needs and tastes don’t end there. You can colour match with your luxury Williams yacht with a desirable array of inflatable tubing, mouldings, finishes and fabrics.

The Williams SportJet 520 is available now for pre-order or you can check out our current stock here.  We offer sales, service and support for your tender on the Balearic islands of Mallorca, Menorca and Ibiza.  Contact our team at enquiries@williamsbalear.com or call us on +34 971 694 373.



Principal Specification

LOA 5.19m/17ft 1in
BEAM 2.01m/6ft 7in
Dry Weight 595kg/1311lb
Overall Height 1.41m/4ft 7in, 1.11m/3ft 7in (with windscreen folded)
Engine Rotax 4-TEC 200
Fuel Capacity 100 litres/26 US gal
Seating 7 persons
Max. Speed 84kph/52mph
Typical Fitment Yachts 30m+/98ft+

Standard Features

  • Bathing Ladder
  • Sports Boat Hull Shape
  • Single Lever Throttle/Shift Control
  • Bow U Bolt
  • Two Rear Tie Down Points
  • Tube Repair Kit
  • Fitted Fuel Tank
  • Under Seat Storage
  • Piped Deck Drains
  • Plug In Navigation Lights (Port/Starboard/Running)
  • Four LIfting Pad-Eyes
  • Automatic Bilge Pump
  • Footpump (2 Stage)
  • Folding Helm Console With Bonded Windscreen
  • 12v DC Socket
  • Automatic Fire Extinguisher
  • Stainless Steel Rear Handles
  • Forward Cleat
  • Bilge Blower
  • Owner's Manual
  • Adjustable Steering Wheel
  • Sealed Upholstered Seating (removable)
  • BRP Multifunction Display
  • Forward Seat Neoprene/Fabric Grab Handles
  • Removable Ski Pole
  • Battery Isolator
  • Piped Footwell Drains
  • Hand-made Inflatable Tube with Rubstrake and Stainless Steel Grab Rail
  • BRP Rotax INR (Intelligent Neutral And Reverse) Electronic Bucket Actuator


  • 8 Standard Colour Schemes
  • Custom Tube, Upholstery and Moulding Colours


  • LED Deck Lights
  • Speed Control Cluster (Cruise, eco, ski and docking)
  • Chart Plotter
  • Fusion MP3 (with Bluetooth)
  • Bimini
  • Overall Cover
  • White Chocks
  • Platform kit (Tie downs, lifting strops and over straps)
  • Towing Kit
  • Electric Inflator
  • Battery Charger
  • Stainless Steel Anchor
  • Telescopic Paddle

Build it my way

Make your jet tender unique by customising colours, equipment, fabric and finishing touches.

Build My Tender
Williams Sportjet 345

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Calle Mar Mediterraneo, 37
Polígono Son Bugadelles
07180, Santa Ponsa, Calvià
Mallorca – Illes Balears, España

+34 971 694 373