Marine Electrical & Boat Wiring Installations
Reliable marine electrical installations done right the first time.
Ethan, the owner and mechanic, answers the phone · Open 7 days a week
- Same / next day availability
- On-site & marina service

Marine Electrical Installations Built for Salt Water
Marine electrical systems aren’t like residential systems. They operate in harsh conditions with constant vibration, moisture, and salt exposure. Professional electrical work is critical to keeping your vessel safe and fully functional.
A proper installation ensures:
- Safe and stable power distribution
- Reliable operation of all onboard systems
- Compliance with marine standards and regulations
- Reduced risk of electrical failures or fire hazards
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
Adding electronics, chargers, or lighting? Call Ethan and plan the install with him.
Call 786-351-5363Why Proper Boat Wiring Matters
Marine electrical systems power everything onboard, from engines and navigation to lighting and communication, so failures can impact both safety and operations. Poor or outdated electrical installations can lead to serious issues:
- Power loss affecting critical systems
- Faulty wiring causing shorts or fire risks
- Overloaded circuits due to added equipment
- Failures in navigation, communication, or safety systems
A properly installed system prevents these problems before they happen.
Our Marine Electrical Installation Process
We keep the process clear, efficient, and built around your vessel.
- 01
System Assessment
We evaluate your current electrical setup, power needs, and future upgrades.
- 02
Design & Planning
We plan safe, efficient power distribution based on your vessel’s requirements.
- 03
Professional Installation
We install wiring, panels, and components using marine-grade materials.
- 04
Testing & Verification
We test all systems to ensure proper operation, safety, and reliability.
Boat Wiring and Electronics Installation Services
We handle everything from small upgrades to full system installs.
Boat Wiring & Rewiring
- Full vessel rewiring
- Upgrades for outdated or damaged wiring
- Clean, organized cable routing
Electrical Panels & Switchboards
- New panel installations
- Upgrades to handle increased power loads
- Safe and efficient power distribution systems
Battery & Charging Systems
- Battery installations and replacements
- Charging system setup and optimization
- Power management solutions
Navigation & Electronics Installation
- GPS, radar, and communication systems
- Control panels and instrumentation
- Integrated onboard electronics
Lighting Systems
- Interior and exterior lighting
- Navigation and safety lighting
- Underwater lighting installations
Power Management & Automation
- Load balancing systems
- Monitoring and control systems
- Smart electrical upgrades
Troubleshooting & System Upgrades
- Diagnose electrical issues
- Upgrade systems for new equipment
- Improve performance and reliability
Why Choose EG Marine for Electrical Installations
Not all electrical work is done to marine standards, and that’s where problems start.
Marine-Grade Installations Only
We use components and methods built for harsh marine environments.
On-Site Service Available
We come to your dock or marina for convenience.
Built for Reliability & Safety
Every system is installed with long-term performance in mind.
Custom Solutions for Every Vessel
No two boats are the same, so we customize every installation.
From the Job Log

Garmin chartplotter installed and showing the Miami coastline 
Golight spotlight installed on a T-top 
JL Audio marine speakers installed in a boat's side panel 
Bowrider on its trailer after a trolling motor and electronics install
Schedule Your Electrical Installation Today
Upgrade your vessel with safe, reliable electrical systems.
Call Ethan directly786-351-5363Open 7 days a week · No call center or front desk, you talk to the person doing the work
- Flexible scheduling
- Experienced marine technicians
- On-site service available
Prefer a free quote?
Leave your number and we’ll call you back.
Marine Electrical & Boat Wiring Installations FAQs
What types of electrical installations do you handle?
We handle a full range of marine electrical installations, from simple upgrades to complete system setups. This includes wiring and rewiring, electrical panels, battery banks, charging systems, lighting, navigation electronics, and onboard power distribution. Whether you’re adding new equipment or building out a full system, we can design and install it properly from the start.
Can you upgrade an existing electrical system without replacing everything?
Yes. In many cases, we can upgrade specific parts of your system without a full replacement. For example, we can improve wiring, increase power capacity, install a new panel, or integrate new electronics into your current setup. We’ll evaluate what can be safely reused and what needs to be replaced to avoid unnecessary costs.
How do I know if my boat needs electrical work?
Common signs include flickering or dim lights, batteries not holding a charge, tripping breakers, inconsistent power to electronics, or visible corrosion on wiring and connections. If you’re adding new equipment like GPS, radar, or lighting, your current system may also need to be upgraded to handle the additional load safely.
How long does a typical electrical installation take?
It depends on the scope of the project. Smaller installations or upgrades can often be completed within a few hours, while larger projects like full rewiring or system redesigns may take one or multiple days. After assessing your vessel, we’ll give you a clear timeline so you know what to expect.
Do you test the system after installation?
Yes. Every installation is fully tested before completion. We check voltage, load distribution, connections, and overall system performance to ensure everything is working safely and reliably under real conditions.
Can you install electronics like GPS, radar, and lighting systems?
Yes. We install and integrate a wide range of onboard electronics, including navigation systems, communication equipment, control panels, and lighting. We make sure everything is properly connected and works seamlessly with your electrical system.
Do you offer on-site electrical installation?
Yes. We perform most electrical installations and upgrades directly at your dock, marina, or waterfront property. This reduces downtime and makes the process much more convenient for you.
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.