








For sale at Vallely Sport & Marine in Bismarck, ND
Experience championship-level performance with this 2021 Sea-Doo RXT-X 300, one of the most powerful and feature-packed personal watercraft on the market. Powered by a supercharged 300 HP Rotax® 1630 ACE™ engine, the RXT-X 300 delivers exhilarating acceleration, exceptional top-end performance, and precise handling for riders who demand the best.
Built on Sea-Doo's stable ST3 Hull, this premium performance watercraft offers a smooth, confident ride in a variety of water conditions while maintaining outstanding cornering capability. The Ergolock™ racing seat, adjustable handlebar, and intelligent throttle control provide maximum comfort and control whether you're cruising, carving turns, or towing.
Loaded with premium features including Intelligent Brake & Reverse (iBR®), Variable Trim System (VTS™), a large front storage compartment, watertight phone compartment, reboarding ladder, and a high-resolution digital display, the RXT-X 300 combines cutting-edge technology with unmatched performance.
Whether you're looking for adrenaline-pumping speed, all-day comfort, or one of the most sought-after performance jet skis available, this 2021 Sea-Doo RXT-X 300 is ready for your next adventure.
Key Features:
Supercharged 300 HP Rotax® 1630 ACE™ engine
ST3 Hull for exceptional stability and handling
Intelligent Brake & Reverse (iBR®)
Variable Trim System (VTS™)
Ergolock™ performance seat
Large front storage compartment
Digital display with intelligent throttle control
Premium performance and luxury features
Ideal for performance riding, cruising, and watersports
Don't miss your opportunity to own this high-performance 2021 Sea-Doo RXT-X 300. Contact us today for more information or to schedule a viewing.
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17x Boating Industry Top 100. MRAA Five-Star Certified. 50+ years helping North Dakotans get on the water.
The price on the website is the price. Vallely Savings on every unit, manufacturer rebates passed through in full.
Factory-authorized service in both Minot and Bismarck. Certified technicians who know your unit.
Get a real offer on your current boat, UTV, or powersport vehicle. Sell, trade, or track your value.
Our team can walk you through options, arrange viewings, and get you the best financing for your situation.
Price, if shown and unless otherwise noted, represents the Manufacturer's Suggested Retail Price (MSRP) or dealer unit price and does not include government fees, tax, title, license, doc fee, freight, set-up, freight surcharge, dealer-installed parts or accessories, labor, installation, or any finance charges (if applicable). Pricing includes all applicable rebates and incentives. MSRP and/or final sales price will vary depending on options or accessories selected. Due to continued challenges across supplier networks, increasing logistics costs, and evolving tariff policies, pricing, freight charges, specifications, and features are subject to change at any time without prior notice. Manufacturer rebates are subject to eligibility and expiration. Contact dealer for details.
Images, where available, are presented as reasonable facsimiles of the offered unit and/or manufacturer stock images. Photos may also include CGI renders or AI-generated imagery and are prone to errors. Non-standard options or features may be represented. No guarantee of availability or inclusion of displayed options should be inferred. Pre-owned units and units stored outdoors may have changed in condition since photos were taken; pricing reflects current condition, photos may not.
Inventory is subject to prior sale and listings may not reflect real-time availability. Engine hours and odometer readings are recorded at time of listing and may have changed due to testing, demonstration, or relocation.
Financing terms are estimates only and subject to credit approval. Actual rates, terms, and down payment requirements may vary by lender. Proof of insurance is required on all financed units prior to leaving the dealership.
Payment policy: Credit and debit card payments are accepted up to $1,000 on powersports and up to $2,000 on boats before an additional processing fee applies. Bank wire is the recommended payment method.
Tax exemptions: Montana residents must present a valid Montana driver's license. Tribal members must provide valid identification and address verification for tax exemption.