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Osage Beach, MO

Boat Services in Missouri:Boat Repair, Dock Side Service, Gel Coat Repair, Prop Replacement & More

Your time on the water on Lake of the Ozarks (LOZ) is too valuable to spend worrying about maintenance or dealing with unreliable repairs. At Performance Marine Watersports in Osage Beach, Missouri, we are more than just a dealership, we are a fully equipped, factory-certified service center dedicated to the precise care of high-performance towboats.

We specialize in maintaining the top brands, including MasterCraft, Supra, and Moomba, ensuring your boat delivers peak performance and reliability every time you hit the water. Trust your investment to the experts who are dedicated to protecting your weekends.

The Certified Service Advantage: Specialists for Your Towboat

Boat Service Missouri, MasterCraft, Supra, Moomba, Other Towboat Brands Repair

Modern wake and surf boats are highly complex machines. Our certified boat service in Missouri provides the specialized knowledge and resources essential for these technical vessels:

  • Factory-Trained Technicians: Our team consists of factory-certified master technicians who receive ongoing training directly from leading engine manufacturers (Indmar, PCM, Ilmor). We have the proprietary diagnostic software required to accurately pinpoint and repair modern engine and electronic faults.
  • Warranty Protection: We exclusively use Original Equipment Manufacturer (OEM) parts and adhere strictly to manufacturer-approved service procedures. This guarantees your repairs are done correctly and, crucially, keeps your factory and extended warranties valid.
  • Towboat Specialization: We focus solely on inboard towboats. This dedicated expertise means faster, more accurate service, we know exactly how your MasterCraft SurfStar or Supra Swell system should perform.

Ready to Schedule Service?


Book your certified repair, maintenance, or seasonal prep quickly and easily.

Comprehensive Service Offerings for LOZ Boaters

Lake of the Ozarks Boat Maintenance, Full Fiberglass Repair

Whether you need a routine check-up or a major mechanical overhaul, our Osage Beach facility is equipped to handle every aspect of your boat's care.

Engine & Drivetrain Services


We offer complete mechanical care tailored to the demands of heavy ballast and rough waters:

  • Routine Maintenance: Complete 50-hour and 100-hour service checks, oil/fluid changes (engine, transmission, V-drive), and full tune-ups.
  • Propulsion System Expertise: Propeller balancing and repair, cutlass bearing replacement, prop shaft alignment, and rudder maintenance to ensure smooth, vibration-free performance.
  • Advanced Engine Repair: Expert diagnostics and repair, including engine rebuilds, repowering, fuel system service, and cooling system overhauls.

Seasonal Preparation & Protection


Protect your boat from the harsh Missouri climate with our professional seasonal services:

  • Boat Winterization: Our meticulous, factory-certified program protects all vital systems (engine, ballast, plumbing) against severe cold to prevent freeze damage.
  • Boat Summerization (Spring Commissioning): A thorough inspection and preparation service that ensures your boat is safely de-winterized and running perfectly for reliable launch on LOZ.
  • Professional Shrink Wrapping: The most effective weather-tight defense for winter storage, creating a custom seal that prevents water intrusion and snow/ice collapse.

Cosmetic & Customization


We restore and enhance your boat’s appearance and functionality:

  • Gelcoat & Fiberglass Repair: We handle accidental damage, minor gelcoat chips, and full fiberglass repair. We specialize in color matching marine finishes for MasterCraft, Supra, and Moomba.
  • Accessory Installation: Installation of custom marine audio, LED lighting, ballast systems, and tower upgrades.

The Performance Marine Watersports Consumer Experience

Osage Beach Boat Service Customer Experience

We are a family-owned and operated dealership with decades of roots in the Lake of the Ozarks community. Our service commitment is simple: We value your time on the water.

  • Dockside Convenience: Our certified Dockside Service brings our mobile mechanic directly to your slip for routine maintenance and oil changes, eliminating the hassle of trailering your boat through Osage Beach.
  • Total Transparency: You will be contacted with a clear service estimate and timeline, no surprises. We provide personalized communication, ensuring you always know the status of your repair.
  • Trusted Support: Our team provides patient, informative service, diagnosing and explaining the root cause of any issue.

Don't let mechanical issues sideline your fun. Schedule your certified inboard service appointment with the experts at Performance Marine Watersports today.

Your Watersports Lifestyle, Seamlessly Delivered

The Performance Marine Watersports Difference: A Total Commitment to Your Experience

At Performance Marine Watersports, your journey from the showroom floor to the open water is designed to be nothing short of exceptional. We've meticulously integrated our Sales, Service, and Pro Shop to deliver a complete, worry-free Customer Buying and Service Experience. It starts with our expert sales team, guiding you to the perfect new MasterCraft, Supra, or Moomba, or a high-quality used boat, tailored to your family's needs. That relationship continues with our premier Service department, ensuring your investment performs flawlessly year after year. Finally, our fully stocked Pro Shop ensures you and your crew are always geared up and ready to ride. We aren't just selling boats; we're providing the comprehensive support and expertise you need to maximize every moment on the water.

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