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Top-Rated Boat Repair & Maintenance in Marathon, FL (2026)

When it comes to Boat Repair & Maintenance in Marathon, FL, reputation tells the real story. This list ranks local marine service pros by their verified ratings and review volume on Boatwork, so you can see at a glance who other boat owners have trusted and rated highly. Compare these top-rated contractors and request a free quote to find the right fit for your vessel.

By Boatwork in Marathon, FL·10 pros·1107 lists by this author·June 7, 2026·Updated July 2, 2026
10 pros
Prop Tec Marathon logo

Prop Tec Marathon

5.0(142)
(305) 743-4004Marathon, FLGet Directions
Marathon, FLDiving & Underwater ServicesBoat Mechanics & Engine RepairBottom Painting & Antifouling

About Prop Tec Marathon

Located in Marathon, Florida, Prop Tec Marathon has established itself as the largest inboard and outboard boat propeller service provider in the Florida Keys. Operating from a state-of-the-art facility, this specialized marine service center handles the complete spectrum of marine propulsion needs for vessels throughout the Keys, eliminating the need...

What others are saying about Prop Tec Marathon

Reviewers consistently highlight Prop Tec Marathon's exceptional speed and reliability, with customers repeatedly praising their same-day and even hour-long turnaround times for prop repairs and hub work. The word that comes up again and again is 'pr...

Reviews sourced from Google

My ThoughtsRated 5.0 across 142 reviews — the highest review volume on this list. Prop Tec Marathon covers a broad range of work including diving and underwater services, engine repair, bottom painting, and welding.
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Liechty Marine of Marathon logo

Liechty Marine of Marathon

4.6(69)
305.509.7499Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairFull Service BoatyardsBoat Repair & Maintenance

About Liechty Marine of Marathon

Situated along the Overseas Highway in the heart of the Florida Keys, Liechty Marine of Marathon has established itself as a comprehensive marine dealership serving boat owners throughout Marathon, Key West, Key Largo, Islamorada, Big Pine Key, and Homestead. As an authorized dealer for premium brands including Suzuki Marine, Yellowfin,...

What others are saying about Liechty Marine of Marathon

What stands out most across reviews is Liechty Marine's exceptional customer service approach, with team members like Chewy consistently going above and beyond for customers facing urgent marine equipment needs. On the technical front, they demonstra...

Reviews sourced from Google

My ThoughtsLiechty Marine of Marathon holds a 4.6 rating from 69 reviews. Their scope spans engine repair, full-service boatyard work, and general boat repair and maintenance.
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Davis Marine Systems logo

Davis Marine Systems

5.0(64)
(305) 942-1795Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsBoat Repair & Maintenance

About Davis Marine Systems

Operating as a fully mobile marine technician service in the Florida Keys, Davis Marine Systems has built a reputation for bringing certified expertise directly to boat owners throughout Marathon and the surrounding areas. Founded and operated by Thomas Davis, a Certified Marine Technician, the business specializes in servicing Yamaha, Mercury,...

What others are saying about Davis Marine Systems

What stands out most across reviews is Tom's exceptional responsiveness and willingness to help boaters in emergency situations, often arriving within hours or even answering calls on weekends to get customers back on the water. The reviews make clea...

Reviews sourced from Google

My ThoughtsA 5.0 rating from 64 reviews, backed by 16-plus years in business. Davis Marine Systems focuses on engine repair, marine electrical and electronics, and general boat repair and maintenance.
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Keys Pro Mechanics logo

Keys Pro Mechanics

4.9(39)
305-434-5401Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About Keys Pro Mechanics

Operating from the heart of Marathon in the Florida Keys, Keys Pro Mechanics has built a reputation for delivering fair, honest, and reliable mechanical services across a diverse range of vehicles and vessels. The business was established specifically to address what the owners saw as a critical need in the...

What others are saying about Keys Pro Mechanics

Reading through the feedback, one pattern emerges: reviewers describe Bob and Marlee as the rare combination of technical expertise and genuine honesty that's hard to find in the Keys. The word that comes up again and again is 'fair' - customers cons...

Reviews sourced from Google

My ThoughtsKeys Pro Mechanics carries a 4.9 rating from 39 reviews. Specialties include boat mechanics and engine repair, generator service, and general boat repair and maintenance.
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Island Boat Wiring logo

Island Boat Wiring

5.0(20)
2153852627Marathon, FLGet Directions
Marathon, FLMarine Electrical & ElectronicsBoat Repair & Maintenance

About Island Boat Wiring

Centrally located in Marathon, Florida, Island Boat Wiring delivers expert marine electrical services throughout the Florida Keys. The business is built on a foundation of professional certification, technical expertise, and a commitment to bringing mobile marine electrical solutions directly to boat owners wherever their vessels are docked or moored. Island...

What others are saying about Island Boat Wiring

Reading through the feedback, one pattern emerges: from complex electrical troubleshooting on 35-year-old boats to Garmin GPS installations and windlass repairs, customers consistently praise Kevin's ability to quickly diagnose problems that have stu...

Reviews sourced from Google

My ThoughtsIsland Boat Wiring holds a perfect 5.0 rating from 20 reviews, specializing in marine electrical and electronics alongside general boat repair and maintenance.
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Old Town Marine logo

Old Town Marine

5.0(48)
(786) 373-0654Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Old Town Marine

Operating throughout the Florida Keys from Key West to Key Largo, Old Town Marine has built a reputation for delivering professional mobile boat repair services directly to customers' docks. Based in Marathon, this marine service provider specializes in bringing comprehensive repair and maintenance capabilities to vessels wherever they're moored, eliminating...

My ThoughtsOld Town Marine is rated 5.0 from 36 reviews. The shop handles engine repair, marine electrical, generator service, and marine plumbing and sanitation.
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OnBoard Rigging logo

OnBoard Rigging

4.5(25)
239-244-7700Marathon, FLGet Directions
Marathon, FLRigging & Sail ServicesMarine Electrical & ElectronicsYacht Engineering & Systems

About OnBoard Rigging

Based in Marathon, Florida, OnBoard Rigging has established itself as a full-service rigging and marine systems specialist serving Southwest Florida's sailing community. The business focuses on delivering quality workmanship at competitive prices, with a commitment to responsive service that gets boat owners back on the water quickly. Their expertise spans...

What others are saying about OnBoard Rigging

A common theme in the reviews is praise for OnBoard Rigging's expertise across multiple marine services, from standing rigging replacement and solar panel installation to windlass installation and radar dome mounting. Customers consistently highlight...

Reviews sourced from Google

My ThoughtsOnBoard Rigging has a 4.5 rating across 25 reviews. Their work spans rigging and sail services, marine electrical, yacht engineering and systems, and general boat repair and maintenance.
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Marathon Diesel Repair logo

Marathon Diesel Repair

4.7(35)
(305) 743-7116Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairFuel PolishingBoat Repair & Maintenance

About Marathon Diesel Repair

Marathon Diesel Repair stands as the premier marine diesel service specialist in the Florida Keys, offering comprehensive repair, maintenance, and parts services for vessel owners throughout the region. Located in Marathon, Florida, the business has built its reputation on the principle that "only the best will do"—a commitment reflected in...

What others are saying about Marathon Diesel Repair

A common theme in the reviews is Marathon Diesel Repair's expertise spanning from quick parts orders and routine maintenance to major engine rebuilds and emergency repairs. Whether customers need Yanmar diesel service, Suzuki outboard maintenance, or...

Reviews sourced from Google

My ThoughtsMarathon Diesel Repair brings 31-plus years in business and a 4.7 rating from 35 reviews. Core services include diesel engine repair, fuel polishing, and general boat repair and maintenance.
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AM

Anglers Mobile Marine Service

5.0(56)
(305) 303-7673Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairBoat Repair & Maintenance

About Anglers Mobile Marine Service

Operating out of Marathon in the heart of the Florida Keys, Anglers Mobile Marine Service brings specialized marine mechanical expertise directly to boat owners throughout the island chain. As a mobile service provider, the business eliminates the hassle of trailering vessels to distant repair facilities, instead meeting clients at their...

What others are saying about Anglers Mobile Marine Service

Clients return to Anglers Mobile Marine Service for Pablo's exceptional diagnostic abilities and thorough approach to marine repairs. From Yamaha outboard servicing and boat repowering to electrical rewiring and pre-purchase inspections, customers co...

Reviews sourced from Google

My ThoughtsAnglers Mobile Marine Service is rated 5.0 from 56 reviews, focusing on boat mechanics and engine repair along with general boat repair and maintenance.
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All Keys Yamaha logo

All Keys Yamaha

4.4(35)
305.743.3530Marathon, FLGet Directions
Marathon, FLBoat Mechanics & Engine RepairBoat Repair & Maintenance

About All Keys Yamaha

Located in Marathon, Florida, this authorized Yamaha outboard dealership serves boaters throughout the Florida Keys with a specialized focus on marine engine sales, service, and financing solutions. As a dedicated Yamaha dealer, they've built their reputation on providing reliable outboard motors ranging from 25 to 300 horsepower, along with comprehensive...

What others are saying about All Keys Yamaha

Clients return to All Keys Yamaha for their knowledgeable staff and reliable parts availability. Known for their team approach with owner Johnny, office staff like William and Amanda, and skilled technicians Victor and Tyler, they consistently delive...

Reviews sourced from Google

My ThoughtsAll Keys Yamaha holds a 4.4 rating from 35 reviews. The shop specializes in boat mechanics and engine repair as well as general boat repair and maintenance.
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