Source Marine Serv · Key Largo & Florida Keys
Source Marine Serv delivers fast-paced, highly skilled outboard diagnostics, complete vessel rewiring, dockside ramp rescue, and honest marine repairs right here in Key Largo and throughout the Florida Keys.
Source Marine Serv · 105675 Overseas Hwy, Key Largo · 786-282-0238
Outboard Specialists
Evinrude, Johnson, Yamaha, Mercury
Marine Electrical
Complete rewiring & fuse panels
Dockside & Ramp Callout
Fast 24hr emergency repairs
Honest & Dependable
Trusted by Florida Keys boaters
Key Largo Marine Mechanics
At Source Marine Serv, Jessie brings honest, expert craftsmanship directly to Keys boat owners. From vacation-saving 24-hour turnaround repairs during lobster mini-season to reviving motors that sat for years, we solve what others miss.
Whether you spun a hub heading to Bimini, need an engine brought back to life after sitting without starting, or require a complete marine electrical restoration to eliminate wiring hazards, we provide clean, fast-paced, organized work.
Dockside, at your local marina, meeting you at the boat ramp, or at our shop on Overseas Highway in Key Largo — we go the extra mile because we genuinely care about keeping you safe on the water.
Before & After Workmanship
See the transformation: eliminating fire hazards, tangled rat's nest wiring, and corroded terminals with clean, marine-grade labeled wiring and fused busbars.
Jesse at Source Marine Serv turns dangerous wire tangles into clean, labeled, reliable systems.
What We Do
Source Marine Serv provides outboard engine repair, vessel electrical rewiring, dockside mobile response, carburetor rebuilds, and seasonal maintenance in Key Largo and the Florida Keys. Call or text 786-282-0238 to discuss your vessel.
Comprehensive troubleshooting and repair for Evinrude, Johnson, Yamaha, Mercury, and Suzuki outboards. Fast diagnosis that pinpoints root causes.
From twin high-horsepower engines to single outboard rigs, get your power running at peak reliability.
Expert marine electrical overhauls, solving elusive shorts, replacing brittle corroded wiring, switch panels, battery isolators, and high-temp heat shrink connections.
No messy shortcuts — clean, weather-tight marine electrical rigging designed for the harsh saltwater environment.
Quick response when you are stranded at the dock, marina, or boat ramp. Spun hubs, propeller replacement, battery issues, and on-site troubleshooting.
Jesse meets you right at the ramp or marina so your day on the water or trip to the Bahamas stays on track.
Reviving engines that sat without running, ultrasonic cleaning, needle & seat replacement, synchronization, injectors, and fuel lines.
Get long-stored vessels running smooth again with clean, organized fuel system rebuilding.
Spun hub repair, shaft straightening, water intrusion prevention, seal replacements, and lower unit gearcase rebuilds.
Honest, capable servicing that restores dependable drive propulsion without buying unnecessary parts.
GPS, chartplotters, marine VHF radios, transducers, bilge pumps, lighting, and full console wiring cleanup.
Turn rat-nest wiring into professional, labeled, museum-quality marine harness setups.
Impeller replacement, thermostat testing, cooling passage flushes, and housing rebuilds for hot Florida waters.
Ensure solid water pressure and protect your engine block from high Keys summer water temperatures.
Spark plug changes, gear lube, fuel filter replacements, compression checks, and multi-point vessel inspections before season.
Fast turnaround times that won't leave you waiting weeks while lobster mini season or fishing season slips by.
Call or text Jesse at Source Marine Serv. Whether your boat has been sitting for years or you spun a hub on the way out to sea, we respond fast with honest, top-tier craftsmanship.
Why Source Marine Serv
01
When others are booked 3 weeks out during lobster mini-season or holiday trips, Jesse steps up to get you back on the water in as little as 24 hours.
02
Spun hub heading to Bimini or boat sat for 2 years without starting? Source Marine meets you at the ramp, marina, or dock with tools and parts.
03
Eliminate dangerous corroded rat-nest wiring. We install marine-grade tinned wire, heat-shrink terminals, and organized breaker panels.
04
Extensive background with twin Evinrude Ocean Pros, Johnson outboards, Yamaha, Mercury, and modern multi-engine rigs.
How It Works
01
Call or text Jesse at 786-282-0238 or visit 105675 Overseas Hwy in Key Largo with your vessel details and symptoms.
02
We diagnose electrical faults, outboards, carburetors, or lower units and provide an upfront, honest recommendation without unnecessary parts.
03
Rewiring, motor rebuilds, dockside hub replacements, or seasonal service completed cleanly, quickly, and tested for saltwater reliability.
Ready to schedule service? Call or text Jesse at 786-282-0238 to get started.
Project Gallery
Take a look at vessel rewiring, outboard restorations, and marine service work handled by Jesse and Source Marine Serv.
Customer Reviews
Verified customer reviews from boat owners who rely on Source Marine Serv in Key Largo and across the Florida Keys.
"I have an older model boat with twin 1998 Evinrude 200 hp ocean pros. I would not think of calling any other company to service my boat. Over the past 5 or so years Jessie and Source Marine have been there to keep me on the water."
Robert Brown
"Jesse saved our Vacation! We can’t say enough nice things about him. We came to the Keys for lobster mini season 2018 and realized we needed engine work. He fixed our problem within in 24hrs!!! Other mechanic shops were booked 3 weeks out!"
Stephanie DiLorenzo
"Jesse is great. He took his time with our boat and the quality of his work really shows. We had to do a full service on our engine and he really did a great job. I highly recommend him."
Lynnslie Hunt
"Source Marine are very knowledgeable, professional and responsible. In one occasion I was on the way to Bimini and when we spun a hub . I called Him on my way in and he met us at the ramp with a borrowed pair of propellers and took mine to be repaired. They are the best."
Osmany Mondaca
"I had a aquasport with a 115 Johnson that sat for 2 Years without starting. I called source marine after calling 4 different company's and they came out fixed the problem and got it up and running. Very clean and organized work. Fast paced also."
Fadluky
"Source Marine has worked on my last 3 boats in the past few years now and they have always come through. Has even meet me at the marina to troubleshoot and that to me shows he cares. I highly recommend them."
Daniel Andarcio
Read what Florida Keys boaters say.
Verified customer reviews from boat owners across Key Largo and the Florida Keys.
Tell Jesse what is happening with your outboards, wiring, lower units, or fuel system. Source Marine Serv is ready to meet you at the ramp, dockside, or at our Key Largo shop.
Source Marine Serv · 105675 Overseas Hwy, Key Largo, FL 33037, United States · 786-282-0238