Marine Engine Services
Keep your boat running reliably with professional marine engine services designed to improve performance, reduce downtime, and extend engine life.
Ethan, the owner and mechanic, answers the phone · Open 7 days a week
- Same / next day availability
- On-site & marina service
Marine Engine Service at Your Dock
Your boat’s engine is one of the most important systems onboard. Without proper maintenance, diagnostics, and repairs, small issues can quickly lead to expensive breakdowns and lost time on the water.
At EG Marine Services, we provide dependable marine engine services designed to keep your vessel operating safely, efficiently, and reliably. Whether you need routine maintenance, advanced diagnostics, engine repairs, or a complete repower, our experienced marine technicians deliver professional service tailored to your vessel and boating needs.
Trusted by boat owners across South Florida
Read our Google reviewsNo call center. No front desk.
When You Call, the Owner Picks Up
Every call goes straight to Ethan, the owner of EG Marine Services and the mechanic who does the work. There’s no receptionist taking a message and no waiting on a callback from someone who’s never seen your boat.
Tell him what’s going on: the alarm on the display, the noise at idle, the engine that won’t turn over. Ethan knows Yamaha, Suzuki, Mercury, and the rest of what runs in South Florida inside and out, so you’ll usually get a straight answer on the first call, whether that’s something you can check yourself or a visit to your dock.
- Straight answers, not a script
- Diagnostic questions answered on the phone
- Honest advice, even when the fix is simple
- The person you talk to is the one who shows up
Ethan
Marine mechanic
Describe what the boat is doing and get a real answer from the mechanic, not a message taker.
Call Ethan: 786-351-5363Open 7 days a week
Marine Engine Services We Provide
Boat Engine Maintenance
Routine inspections, fluid changes, filters, tune-ups, and preventative care.
Learn more100 Hour Boat Service
Oil changes, filters, gear lube, spark plugs, inspections, and preventative maintenance.
Learn more300 Hour Boat Service
Cooling system service, fuel system inspections, diagnostics, ignition service, and major maintenance procedures.
Learn more1000 Hour Boat Service
Major long-term maintenance to inspect, service, and protect high-hour engines and critical onboard systems.
Learn moreOutboard Service & Repair
Outboard maintenance, diagnostics, repairs, cooling and fuel system service, and performance inspections.
Learn moreMercury Outboard Repair
Mercury FourStroke, Pro XS, and Verado repair and service at your dock.
Learn moreYamaha Outboard Repair
Yamaha outboard diagnostics, repair, and 100, 300, and 1000 hour service at your dock.
Learn moreSuzuki Outboard Repair
Suzuki outboard diagnostics, repair, and scheduled service at your dock.
Learn moreHonda Outboard Repair
Honda outboard diagnostics, repair, and scheduled service at your dock.
Learn moreMarine Engine Diagnostics
Advanced diagnostics for warning alarms, fault codes, performance issues, and electrical problems.
Learn moreMarine Engine Repair
Repairs for mechanical failures, overheating, fuel system problems, ignition, and performance concerns.
Learn moreBoat Repower
Engine replacement, rigging, controls, system integration, and performance upgrades.
Learn moreBoat Fuel System Repair
Water in fuel, clogged injectors and filters, VST service, and fuel pump replacement.
Learn moreEngine Overheating Repair
Impellers, thermostats, heat exchangers, coolant service, and exhaust manifolds and risers.
Learn moreSterndrive & Outdrive Repair
Sterndrive engine and outdrive repair for MerCruiser and Volvo Penta boats.
Learn moreMerCruiser Repair
MerCruiser engine and Alpha and Bravo drive repair at your dock.
Learn moreGimbal Bearing & Bellows Replacement
Gimbal bearings, bellows, and alignment for MerCruiser and Volvo Penta drives.
Learn moreWater Pump Impeller Replacement
Outboard, sterndrive, and inboard water pump impellers replaced at your dock.
Learn moreTrim & Tilt Repair
Trim pumps, motors, solenoids, leaking rams, trim unit reseals, and trim tabs.
Learn moreOutboard Lower Unit Repair
Gear oil service, pressure tests, reseals, prop shafts, shifting problems, and replacements.
Learn moreEngine need service or something sounds off? Call Ethan and tell him what you’re running.
Call 786-351-5363When Do You Need Marine Engine Service?
Regular engine service is essential for maintaining performance, fuel efficiency, and long-term reliability. Addressing engine issues early can help prevent larger repairs, reduce downtime, and extend the lifespan of your vessel.
- Routine preventative maintenance
- Engine warning alarms or fault codes
- Loss of power or poor acceleration
- Difficulty starting the engine
- Excessive fuel consumption
- Engine overheating
- Electrical or charging system issues
- Scheduled 100-hour, 300-hour, or 1000-hour service intervals
- Unusual noises, smoke, or vibration
- Aging or unreliable engines needing replacement
Our Marine Engine Service Process
We keep the process organized, transparent, and focused on long-term engine reliability.
- 01
Inspection & Evaluation
Our technicians inspect your engine systems, discuss any performance concerns, and identify maintenance or repair needs.
- 02
Diagnostics & Service Planning
We perform diagnostics and recommend the appropriate maintenance, repair, or upgrade solutions based on your engine condition.
- 03
Professional Service & Repairs
Maintenance, repairs, and installations are completed using proper marine service procedures and quality components.
- 04
Testing & Final Verification
After service is completed, we test and verify proper engine operation, performance, and reliability.
Why Choose EG Marine for Engine Service
Choosing the right marine engine service team makes a major difference in your boat’s performance and reliability.
Experienced Marine Technicians
Our team is trained to service, diagnose, and repair a wide range of marine engine systems.
Full-Service Engine Solutions
From routine maintenance to advanced repairs and repowers, we provide complete marine engine support.
Advanced Diagnostics
We use modern diagnostic equipment and troubleshooting methods to identify issues accurately.
Mobile Dockside Service
On-site marina and waterfront service is available for many types of engine maintenance and repairs.
Clear Communication
You’ll receive honest recommendations, service updates, and transparent communication throughout the process.
Schedule Your Marine Engine Service Today
Don’t wait until minor engine issues become major repairs or unexpected breakdowns. Our team provides dependable marine engine services designed to keep your boat reliable, efficient, and ready for the water.
Call Ethan directly786-351-5363Open 7 days a week · No call center or front desk, you talk to the person doing the work
- Preventative maintenance services
- Diagnostics and engine repairs
- Mobile marina and dockside service
- Experienced marine technicians
Prefer a free quote?
Leave your number and we’ll call you back.
Marine Engine Services FAQs
What types of marine engines do you service?
We service many types of marine engines, including outboard, inboard, and sterndrive systems. Our technicians can perform maintenance, diagnostics, repairs, and repower services for a wide range of engine configurations.
How often should marine engines be serviced?
Most marine engines should receive routine maintenance every 100 hours of operation or at least once per year. Larger service intervals, such as 300-hour and 1000-hour services, depend on manufacturer recommendations and engine usage.
Do you offer mobile marine engine services?
Yes. We provide mobile marine engine services at marinas, docks, and waterfront properties whenever possible, allowing many maintenance tasks, diagnostics, and repairs to be completed on-site.
Can you diagnose engine warning alarms and performance problems?
Yes. We use advanced marine diagnostic tools to retrieve fault codes, analyze engine data, and identify mechanical or electrical performance issues.
What is included in a boat engine maintenance service?
Maintenance services may include oil and filter changes, fuel filter replacement, cooling system inspections, spark plug replacement, charging system checks, fluid inspections, and overall engine evaluations.
When should I consider an engine repower?
Repowering may be the best option if your engine is becoming unreliable, difficult to repair, inefficient, or nearing the end of its lifespan. A new engine can improve performance, fuel efficiency, and long-term reliability.
Areas We Serve
Our mobile marine mechanics travel to marinas, private docks, and waterfront homes from Boca Raton to Islamorada. Nearby but not listed? Reach out to confirm availability in your area.