Professional Boat Repair & Maintenance
Harborline Marine Repair keeps your vessel running smoothly with expert engine diagnostics, electrical repairs, fiberglass work, and maintenance for recreational and commercial boats.


Built to Fix What the Water Wears Down
For over two decades, Harborline Marine Repair has been the trusted choice for boat owners throughout the harbor. Our certified technicians combine marine expertise with genuine passion for the water, delivering reliable repairs and maintenance that keep recreational and commercial vessels running strong. We treat every boat like our own—because your time on the water matters.
Expert Marine Service You Can Trust
Harborline Marine Repair delivers professional boat maintenance and repair with precision, reliability, and care for every vessel.
Comprehensive Diagnostics
Advanced engine diagnostics and troubleshooting to identify issues quickly and accurately.
Certified Technicians
Experienced marine specialists trained in both recreational and commercial vessel systems.
Fast Turnaround Times
Efficient service to get your boat back on the water without unnecessary delays.
Full-Service Repairs
From electrical systems to fiberglass work, we handle all aspects of marine maintenance.
Preventive Maintenance Plans
Scheduled service programs to keep your vessel running smoothly and avoid costly breakdowns.
Personalized Customer Care
Dedicated support and clear communication throughout every repair and maintenance project.
Marine Repair & Maintenance Services
Comprehensive boat repair solutions for recreational and commercial vessels, keeping you safe on the water.
Marine Engine Diagnostics
Advanced computerized diagnostics for inboard, outboard, and stern drive engines. Identify issues quickly and accurately.
Engine Tune-Up & Servicing
Complete tune-ups including spark plugs, filters, fuel system cleaning, and performance optimization for all marine engines.
Propeller Repair & Replacement
Expert propeller inspection, balancing, and repair. We stock a wide selection of replacement props for optimal performance.
Marine Electrical Troubleshooting
Diagnose and repair electrical issues including wiring problems, battery systems, and charging failures for safe operation.
Electronics Installation
Professional installation of GPS, fish finders, radios, and navigation systems with proper wiring and weatherproofing.
Battery Testing & Replacement
Complete battery system evaluation, load testing, and installation of marine-grade batteries for reliable starting power.
Fiberglass Repair & Gelcoat
Expert fiberglass damage repair, gelcoat restoration, and color matching to restore your boat's appearance and integrity.
Transom & Stringer Repair
Structural repairs for rotted or damaged transoms and stringers using marine-grade materials for long-lasting durability.
Bottom Paint & Anti-Fouling
Professional bottom painting with quality anti-fouling coatings to protect your hull and improve fuel efficiency.
Winterization Services
Complete winterization including engine fogging, antifreeze treatment, fuel stabilization, and storage preparation.
Spring Commissioning
Get your boat ready for the season with full systems check, fluid changes, battery service, and sea trial testing.
Detailing & Waxing
Professional boat detailing including wash, wax, interior cleaning, and UV protection to keep your vessel looking pristine.
Quality Marine Repairs & Restorations
See our completed projects showcasing expert craftsmanship in boat maintenance and repair.








Conveniently Located at the Harbor
Stop by our waterfront facility for expert repairs, maintenance, and marine services.
Main Service Center
1847 Harbor Drive, Suite 12, Bayview, CA 94610Hours: Monday - Friday: 7:00 AM - 6:00 PM
Saturday: 8:00 AM - 4:00 PM
Sunday: Closed
Phone: (555) 847-2900
Easy access from the main harbor entrance. Trailer parking and dock slips available for service appointments.
Trusted by Boat Owners Throughout the Harbor
See what our customers say about our marine repair services and commitment to quality.
Harborline diagnosed and fixed our engine issue in half the time we expected. Their team knows diesel systems inside and out, and they kept us informed every step of the way.

The electrical work on my sailboat was flawless. They traced down a tricky wiring problem that two other shops couldn't find. Professional, honest, and reasonably priced.

I've used Marine Repair for three years now for all my maintenance. Their fiberglass repair work is exceptional, and they always finish on schedule. Highly recommend their services.

Quick turnaround on our pre-season inspection and repairs. The team caught a few issues before they became expensive problems. Their attention to detail gives me peace of mind.

Fair pricing and excellent communication. They explained everything clearly and didn't try to upsell unnecessary work. My boat runs better than it has in years thanks to their expertise.

We recommend Harborline to all our slip holders. Their troubleshooting skills are outstanding, and they treat every boat with care whether it's a small runabout or a luxury cruiser.

Frequently Asked Questions
Get answers to common questions about our marine repair services and boat maintenance.
What types of boats do you service?
We service all recreational and commercial vessels including sailboats, powerboats, fishing boats, yachts, and workboats. Our technicians are experienced with both inboard and outboard engines.
How often should I schedule routine maintenance?
We recommend seasonal maintenance before and after boating season, plus annual engine servicing. High-use vessels should be inspected every 100 hours of operation to ensure optimal performance and safety.
Do you offer emergency repair services?
Yes, Marine Repair provides emergency repair services for urgent issues. Contact us immediately if you experience engine failure, electrical problems, or any safety concerns with your vessel.
How long does a typical repair take?
Repair time varies by complexity. Minor fixes like battery replacement take a few hours, while engine rebuilds or fiberglass repairs may take several days. We provide time estimates upfront.
Can you diagnose electrical problems on my boat?
Absolutely. Our technicians use advanced diagnostic equipment to identify electrical issues including wiring faults, battery problems, alternator failures, and marine electronics malfunctions.
What brands of marine engines do you work on?
We service all major marine engine brands including Yamaha, Mercury, Honda, Suzuki, Volvo Penta, MerCruiser, and more. Our team stays current with manufacturer specifications and repair procedures.
Do you provide mobile repair services?
Yes, we offer mobile service for certain repairs and diagnostics. Contact us to discuss your location and repair needs to determine if mobile service is available for your situation.
Is winterization included in your services?
Yes, we provide complete winterization services including engine flushing, fuel stabilization, battery maintenance, and protective storage preparation to keep your boat safe during off-season months.
Ready to Get Your Boat Back on the Water?
Contact Harborline Marine Repair today for expert boat repair and maintenance services. Our team is ready to help with diagnostics, repairs, and routine maintenance for your vessel.

