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Top Boat Mechanics & Engine Repair in Lakeland, FL (2026)

Finding reliable Boat Mechanics & Engine Repair in Lakeland, FL matters most when your vessel is large enough that downtime is costly and cutting corners isn't an option. The pros on this list cover diesel engines, generators, electrical systems, and more — the kinds of multi-system work that bigger boats demand. If your boat needs attention, request a free estimate from a qualified local pro today.

By Boatwork in Lakeland, FL·8 pros·1108 lists by this author·June 16, 2026·Updated July 13, 2026
8 pros
CM

Certified Marine Inc

4.7(108)
(863) 667-4999Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairBoat Repair & Maintenance

About Certified Marine Inc

Based in Lakeland, Florida, Certified Marine Inc has established itself as a trusted provider of marine sales and services in the central Florida region. Operating from their facility in Polk County, this marine business serves boat owners throughout the inland lake systems and waterways that define the area's recreational boating...

My ThoughtsCertified Marine Inc covers Boat Mechanics & Engine Repair alongside general Boat Repair & Maintenance, earning a 4.7 rating across 106 reviews — a solid track record for owners who need dependable, experienced hands.
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TD

Twin Diesel Performance

4.9(158)
(813) 708-6397Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairBoat Repair & Maintenance

About Twin Diesel Performance

Specializing in diesel engine performance and repair for marine applications, Twin Diesel Performance has built a reputation in the Lakeland, Florida area for technical expertise and reliable service. The business focuses on diesel engine systems that power boats and yachts, addressing everything from routine maintenance to complex diagnostic work and...

What others are saying about Twin Diesel Performance

Reading through the feedback, one pattern emerges: On the technical expertise front, Twin Diesel Performance consistently delivers expert diesel engine repairs, with customers praising their mastery of complex jobs like upper oil pan gasket leaks, CP...

Reviews sourced from Google

My ThoughtsTwin Diesel Performance specializes in Boat Mechanics & Engine Repair and Boat Repair & Maintenance, holding a 4.9 rating from 158 reviews — one of the strongest review profiles on this list, particularly relevant for diesel-powered vessels.
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NSO Marine logo

NSO Marine

5.0(23)
+1863-450-9736Lakeland, FLGet Directions
Lakeland, FLRigging & Sail ServicesBoat Mechanics & Engine RepairMarine Electrical & Electronics

About NSO Marine

Operating from Lakeland, Florida, NSO Marine has established itself as a comprehensive marine services provider specializing in boat sales, repairs, and custom marine solutions. The business serves boat owners throughout Central Florida with a full spectrum of services ranging from routine maintenance to complete vessel repowers and custom boat builds...

What others are saying about NSO Marine

Customers repeatedly praise NSO Marine as the go-to solution for marine repairs that other shops can't handle. Known for their diagnostic expertise and ability to tackle complex projects others won't touch, John and his team consistently solve proble...

Reviews sourced from Google

My ThoughtsNSO Marine brings a broad scope to larger boats, spanning Rigging & Sail Services, Boat Mechanics & Engine Repair, Marine Electrical & Electronics, and Fiberglass & Gelcoat Repair — backed by a 5.0 rating from 23 reviews.
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PD

Pc Diesel Repair

4.7(14)
(863) 602-6655Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairFuel PolishingGenerator Service & Repair

About Pc Diesel Repair

Operating out of Lakeland, Florida, PC DIESEL REPAIR has built a reputation as a dedicated marine diesel engine specialist serving boat owners throughout Central Florida's inland and coastal waters. The business focuses exclusively on diesel engine diagnostics, repair, and maintenance for recreational and commercial vessels, bringing technical expertise and hands-on...

What others are saying about Pc Diesel Repair

The reviews paint a picture of a business known for reliable diagnostics and clear communication about repairs. This is a shop that consistently delivers professional service, with multiple customers praising their ability to quickly diagnose problem...

Reviews sourced from Google

My ThoughtsPC Diesel Repair lists Fuel Polishing and Generator Service & Repair alongside core engine work, making it a practical option for larger boats with complex fuel and power systems — rated 4.7 from 14 reviews.
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MD

MTS Diesel

4.6(10)
229-869-2391Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairGenerator Service & RepairBoat Repair & Maintenance

About MTS Diesel

Serving central Florida's diesel engine owners since its founding, Millard Transportation Solutions (MTS) operates as a privately owned mobile diesel repair service with a distinct advantage: bringing comprehensive repair capabilities directly to the customer's location. This approach eliminates the logistical challenges and costs associated with transporting disabled or damaged equipment...

What others are saying about MTS Diesel

What stands out most across reviews is Eric's exceptional availability and responsiveness, with customers praising his willingness to work Sundays and provide emergency roadside service when others wouldn't answer their calls. On the technical front,...

Reviews sourced from Google

My ThoughtsMTS Diesel handles Boat Mechanics & Engine Repair, Generator Service & Repair, and general Boat Repair & Maintenance, carrying a 4.6 rating from 10 reviews.
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Master Marina logo

Master Marina

3.9(7)
(863) 229-7744Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsGenerator Service & Repair

About Master Marina

Operating out of Lakeland, Florida, Master Marina has built a reputation as a comprehensive marine service provider specializing in mobile boat repair and maintenance. The business distinguishes itself by bringing certified technicians directly to customers' locations, offering convenient dock-side service that eliminates the hassle of transporting vessels to a repair...

What others are saying about Master Marina

Clients return to Master Marina for Randy's extensive knowledge and ability to fix nearly anything on their vessels. Known for his hands-on expertise, Randy takes his time with each boat and even cleans them afterward without charging extra. However,...

Reviews sourced from Google

My ThoughtsMaster Marina covers Boat Mechanics & Engine Repair, Marine Electrical & Electronics, Generator Service & Repair, and Fiberglass & Gelcoat Repair — a wide specialty range, though its 3.9 rating from 7 reviews is worth factoring into your decision.
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M

Mcis

(863) 327-1095Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairMarine Electrical & ElectronicsBoat Repair & Maintenance

About Mcis

Operating from Lakeland, Florida, MCIS brings specialized expertise to the marine industry with a focus on precision engineering and technical services. The company has established itself as a resource for boat owners and marine professionals seeking advanced technical solutions in the Central Florida region. MCIS operates in a market where...

My ThoughtsMCIS offers Boat Mechanics & Engine Repair, Marine Electrical & Electronics, and Boat Repair & Maintenance; the company is new to Boatwork with no reviews on file yet.
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True Brand Marine logo

True Brand Marine

(863) 937-9272Lakeland, FLGet Directions
Lakeland, FLBoat Mechanics & Engine RepairFuel Supply

About True Brand Marine

Backed by decades of manufacturing expertise and a family legacy spanning nearly five decades, True Brand Marine represents the marine division of Solid Start, a chemical manufacturing company rooted in Polk County, Florida since 1976. The business emerged from Willis Family Manufacturing, founded by brothers Larrell and Dale Willis, who...

My ThoughtsTrue Brand Marine focuses on Boat Mechanics & Engine Repair and Fuel Supply, and brings 50+ years in business to the table — though the company is new to Boatwork with no reviews posted yet.
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