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The 2026 Supra SL550 is the pinnacle of performance wakeboarding and water skiing on the open water, and this stunning White beauty is ready to make waves right here in Knoxville. Powered by the ferocious Indmar Raptor 575 — a 575-horsepower gas engine that demands respect — the SL550 delivers the kind of pull and precision that serious riders dream about. At 23.5 feet with a commanding 102-inch beam, this boat offers the stability and interior space to bring the whole crew along for an unforgettable day on the water. Supra loaded the 2026 SL550 with a remarkable suite of premium features designed for both performance and comfort. Dual Stern Thrusters and Electric Power Steering Assist make docking and maneuvering effortless, while the Power Folding Tower Bimini and Power Swim Step add next-level convenience. Cooling Seats at the observer bench and helm, an Electric Cooler, and a 4 Port Heater mean you stay comfortable regardless of the season. Underwater lights and mid-ship underwater lights transform evening sessions into something truly spectacular, and the docking lights — both bow and tower-mounted — keep things safe as the sun goes down. With three-layer non-skid surfaces, an interior wash down, a PTM 140 mirror for dialing in your wake riders' performance, and a tower-down cover to protect your investment, every detail on the SL550 has been thoughtfully considered. This is a boat built for those who refuse to compromise. Contact us for current pricing and let our team in Knoxville help you get on the water in style.
Based on 9 reviews from across the web
The SL550 earns consistent praise from both expert reviewers and owners as one of the stronger all-around watersports boats in its class. Boating Magazine describes the 2026 SL as a benchmark for buyers comparing the very best in the segment. The supercharged Indmar engine delivers confident pull, and the wake and wave tuning system is straightforward enough that riders of all skill levels can get dialed in quickly.
Owners who have come from competing brands note that the SL's build quality holds up well alongside premium alternatives, and several long-time Supra owners keep coming back, with a few now on their fourth or fifth boat. The hull's handling draws particular mention, with owners describing the steering feel as responsive and agile for a boat this size.
Opinions on how the SL stacks up against direct competitors vary from owner to owner. Most feel it runs comfortably with the best in its class; a smaller number consider it a strong but not dominant option in a competitive segment. Either way, the consensus across forums and professional reviews points to a well-rounded, capable boat that suits a wide range of riders and conditions.
We hear this often, and the answer is yes. The wave and wake tuning system is simple to adjust on the fly, so whether you have a beginner or an experienced rider in tow, you can dial in the right setup quickly.
Owners who have come from competing premium brands consistently mention that the SL steers responsively and feels agile for its size, describing it as driving like a proper inboard.
Several of our owners who have owned five or more premium boats from other brands feel the Supra's construction quality is very close to the top names in the segment.
Summarized by AI from public sources across the web — owner forums, marine publications, and other boating sites. Provided for research; not authored or endorsed by the dealership.
Knoxville
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(865) 693-9949Knoxville
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Or call us directly:
(865) 693-9949Connect with us to learn more about this boat or schedule a visit
Or call us: (865) 693-9949
Reviewers and owners alike note strong push and a well-shaped wave. The hull has been refined over multiple model years, and the wave is consistently described as having good energy for surfing.
That is exactly what it is designed for. The adjustable ballast and wave-shaping system let you switch between activities without a lot of fuss, which is one of the things our owners appreciate most about it.
Boating Magazine puts it among the best all-around watersports boats in its size range. A handful of forum owners feel the segment is competitive enough that it is a strong peer rather than a runaway leader, but most agree it holds its own against the best options available.
Based on brand, condition, and year
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