2018 Supreme S21

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We’ve all got priorities. By day you’re a hard-working professional. By weekend, an aspiring champion surfer. There’s no reason you can’t live the dream with the extraordinary S21. Designed with the professional in mind, it’s priced for the weekend warrior. The S21 first introduced Supreme’s QuickFill ballast system, which is a 750-pound capacity ballast tooled into the hull that fills with water in two minutes. In other words, it’s ready when you are to chase those goals. Optional Plug and Play ballast in the back is available to elevate your wake riding. It has room for 12, with safety and spacious seating prioritized.

Standard Features
  • Custom designed interiors with top of the line marine vinyl and foam
  • Massive amounts of storage
  • Custom Vinyl Wrapped with Full Instrumentation
  • 40 oz Marine Carpet
  • Digital Speed Control
  • Depth Finder
  • Air – Water Temperature Display
  • Supreme Altitude Control System
  • Pro S4 Tower System (White or Black)
  • Swivel Flip up Bolster Driver’s Seat
  • Dual Fuel Fills
  • Stainless Cup Holders
  • Quickfill Ballast 1000lbs hull-flooding
  • Clarion Bluetooth Stereo
  • Snap-In 40oz Marine Carpet
  • Wake Plate
  • Length w/out Platform: 20 ft. 11 in.
  • Beam: 102 in.
  • Draft: 30 in.
  • Weight: 4,200 lb.
  • Fuel Capacity: 43 gal.
  • Seating Capacity: 12
  • Ballast: 750 lb. (STD) + 1,100 lb. (OPT) =1,850 lb.
  • Engine: GM Marine EX3 by Crusader 1.72:1 GR
  • Engine Warranty: 5 Years
Standard Equipment
  • GM Marine EX3 by Crusader 1.72:1 GR (5 Year Warranty)
  • Engine Water Intake Strainer
  • GelCoat Scheme Split
  • Crusader/PCM Digital Speed Control w/Paddle Wheel Input
  • 4 Pull Up Cleats 6"
  • Stainless Steel Rub Rail Black
  • Rear View Mirror (STD)
  • Depth Finder
  • Fiberglass Swim Step
  • Supreme Friction Non-Skid Floor Kit Charcoal
  • 2nd Battery Package with Control Center
  • Center Wake Plate
  • One Smooth Track Fin
  • Pro S5 Tower System (Black or White)
  • Supreme “Quick Fill” Ballast System
  • 4a Clarion CM-2 Bluetooth, AM/FM USB Stereo, w/6 Wetsounds WS65B Speakers, and Wetsounds HT-6 Amp
  • Boatmate Tandem Axle Trailer w/Disc Brakes both Axles, Alum Wheels, LED Lighting, Swing Tongue, Stainless Retractable Transom Straps, Aluminum Fender Steps, Winch and Strap
Optional Equipment
  • Gelcoat Scheme Surf
  • Supreme Plush Logo Carpet Kit
  • Gator Grip Flooring Sharkfin Texture
  • Clarion MW-3 Large Transom Remote
  • Concert Series 2 Pair Wetsounds ICON-8 Speakers, & Wetsounds HT-AS10 Sub mounted in Fiberglass Enclosure (Black or White)
  • Wake Plate Gauge
  • Fixed Board Racks Pro S5 Tower
  • Swivel Board Racks Pro S5 Tower
  • Supreme Comfort Package: Bow Fill Cushion, Supreme Soft Grip Flooring Medium Gray, Walk-through Wind Block, and 2 Extra Bow Cleats
  • Supreme Quick Surf System
  • SWSC Pkg: PTM Edge HD Mirror, PNP Rear Ballast (2-550lbs Bags Plumbed), QuickSurf and 2 Pair Board Racks (Swivel Lower & Fixed Upper)
  • Bimini Top Pro S5 Tower (Black Only)
  • Boat Cover Gray w/ Tower Anti-Pooling System (TAPS)
  • Bow Fill Cushion
  • Heater w/(1) Hot Tube & 2 Outlets
  • Under Water Transom Lights (Blue Only)
  • ZeroOff Pro GPS Cruise Control
  • Roll Supreme Trailer Package: (18" Ultra 249 CPVD Chrome Wheels, Back-lit Logo Rear Steps, Back-lit Logo Rear Steps, 2-Tone Paint or Stainless Fenders, Runway Lighting, Transom Steps)
  • Roll Supreme Trailer Package: (18" Ultra 249BM Black Alum Predator Wheels, Back-lit Logo Rear Steps, Back-lit Logo Rear Steps, 2-Tone Paint or Stainless Fenders, Runway Lighting, Transom Steps)
  • Paint over Elite Shield Top Coat (Solid Colors, No Pin Stripes, Boatmate Trailers Only)



Engine Type
GM Marine EX3 by Crusader 1.72:1 GR


Length Overall
20 ft. 11 in.
102 in.
30 in.
Dry Weight
4,200 lb.
Max Person Capacity
12 persons
Fuel Capacity
43 gal.

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