Experienced Marine Mechanic Services for Hayden, ID, Coeur d’Alene, ID, Liberty Lake, WA & Surrounding Areas
Redefining Marine Standards
Whether you’re planning ahead for the season, need urgent boat repairs, or require on-the-water assistance, Professional Marine is your trusted source for expert marine service. Our mobile marine mechanics provide fast, reliable boat and jet ski repairs—on-site or at our full-service shop. We service most makes and models, handling everything from boat battery replacements and engine rebuilds to oil changes, impeller replacements, and more.
With deep experience and a commitment to quality, our certified marine technicians are here to keep your boat running smoothly—so you can spend more time on the water and less in the shop.
Experienced Team
Over 60 Years Experience
Top Rated Services
Redefining Marine Standards
Whether you’re planning ahead for the season, need urgent boat repairs, or require on-the-water assistance, Professional Marine is your trusted source for expert marine service. Our mobile marine mechanics provide fast, reliable boat and jet ski repairs—on-site or at our full-service shop. We service most makes and models, handling everything from boat battery replacements and engine rebuilds to oil changes, impeller replacements, and more.
With deep experience and a commitment to quality, our certified marine technicians are here to keep your boat running smoothly—so you can spend more time on the water and less in the shop.
Our Boat Repair Services
Our Boat Repair Services
• Replacing worn or damaged propellers
• Diagnosing and repairing boat engines
• Boat Engine Rebuilds
• Boat engine repower, new boat engines
• Replacing or repairing steering systems
• Electric boat steering
• Hydraulic boat steering
• Cable boat steering
• Electrical repairs, such as faulty wiring or dead boat batteries
• Lower outboard units
• Replacing boat fuel lines or boat fuel filters
• Repairing or replacing water pumps and boat impellers
• Repairing boat overheat issues
• Fixing leaks or replacing broken hoses
• Replacing worn or damaged belts or pulleys
• Repairing or replacing damaged boat outdrive units
• Stern Drives
• Outboard boat engines
Summerizing & Winterizing Your Boat & Jet Skis
Summerizing and winterizing your boat or jet skis ensures their longevity and proper functioning through routine boat or jet ski engine maintenance. Proper boat or jet ski summerizing/winterizing , servicing or maintaining involves thoroughly checking all systems, including the boat’s engine, electrical, and water systems, to ensure they are in good condition and can function accordingly for the upcoming boating season.
Winterizing is critical to protect your boat during the winter season. It involves draining all water from the boat’s engine water passages and boat systems, adding a fuel stabilizer to the boat’s fuel system, and draining the water system to prevent freezing and cracking.
Proper boat maintenance can save money over time, avoiding unnecessary boat or jet ski repairs and extending the life of your vessel.
Summerizing & Winterizing Your Boat & Jet Skis
Summerizing and winterizing your boat or jet skis ensures their longevity and proper functioning through routine boat or jet ski engine maintenance. Proper boat or jet ski summerizing/winterizing , servicing or maintaining involves thoroughly checking all systems, including the boat’s engine, electrical, and water systems, to ensure they are in good condition and can function accordingly for the upcoming boating season.
Winterizing is critical to protect your boat during the winter season. It involves draining all water from the boat’s engine water passages and boat systems, adding a fuel stabilizer to the boat’s fuel system, and draining the water system to prevent freezing and cracking.
Proper boat maintenance can save money over time, avoiding unnecessary boat or jet ski repairs and extending the life of your vessel.

Authorized Interstate Battery Dealer
Professional Marine in Hayden, Idaho, is your local authorized Interstate Battery dealer specializing in marine batteries for boats and jet skis. We offer a full selection, including marine starting batteries, deep-cycle batteries, and AGM batteries. Our knowledgeable team is here to help you choose the right battery for your boat or jet ski and provide professional installation to ensure reliable performance on the water.

Comprehensive Marine Repair
Professional Marine provides expert boat and jet ski repair, diagnostics, and maintenance across Coeur d’Alene, Post Falls, Hayden Lake (ID), Liberty Lake (WA), and surrounding areas. Our experienced marine mechanics handle everything from routine maintenance and pre-buy inspections to engine repairs, rebuilds, and repowers—keeping your boat running at its best.