Boat Repairs & Maintenance — Lake Simcoe & Innisfil

From small mechanical fixes to full diagnostics, STO Boats provides professional repair and maintenance services for all types of boats. Our mobile and in-shop technicians ensure your vessel runs safely, smoothly, and efficiently all season long.

Mobile Repairs & Diagnostics

Fast, on-site help when you need it.

Electrical troubleshooting and wiring

Fix wiring faults, battery issues, and connection failures.

Engine and system diagnostics

Identify issues fast and keep your boat running smooth.

Cooling and fuel system repairs

Prevent overheating and fuel delivery problems.

Oil changes, filters, and tune-ups

Maintain engine health and extend lifespan.

Prop & Shaft Repair

Keep your driveline smooth, quiet, and powerful.

Shaft Alignment & Replacement

Ensure vibration-free operation and proper thrust.

Propeller Repair & Balancing

Fix damaged blades and restore top performance.

Bearing & Seal Service

Stop leaks before they cause drivetrain damage.

Gearcase Fluid & Inspection

Maintain performance and protect your lower unit.

Upholstery & Interior Restoration

Bring your boat’s interior back to life — fresh, clean, and comfortable.

From small seat repairs to full interior makeovers, STO Boats restores marine vinyl, cushions, and stitching to factory-quality finish. Perfect for boats showing wear after long seasons in the sun.

Ready to book your repairs?

Fill out the form below and our team will contact you within 24 hours.