Captain John offers expert Diesel/Gas Engine Services, Premium Marine Gear and Drive Services, Pre‑Purchase & Condition Inspections and Vessel Captain Services in Southeast Michigan and the Great Lakes.
Over 200 Years of Combined Marine Experience
Certified Gas & Diesel Marine Mechanics On Staff
Vessel Captain Services
Professional operations for yachts and pleasure craft. We perform Sea Trials, Short‑range moves, long‑distance trips, all with precision vessel handling.
U.S. Coast Guard 100-Ton Master License
Diesel/Gas Engine Services
Expert service for Detroit Diesel, Caterpillar, Cummins, MAN, Volvo Penta, Yanmar, MerCruiser, Crusader, and a wide range of additional marine engine manufacturers.
Full maintenance and repair support for generators of every make and model.
Premium Marine Gear
& Drive Services
Full-service marine gear repair, installation, and removal. Expert craftsmanship in prop, strut, and prop‑shaft repairs with professional inboard and outboard servicing.
Pre‑Purchase & Condition Inspections
Objective evaluations, sea trials, and detailed reporting to provide confidence before investing in a vessel.
Precision. Reliability. Expertise.
Our team brings unmatched marine knowledge to every project from advanced mechanical diagnostics to professional vessel operation.
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200+ years of combined marine experience
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Certified gas & diesel mechanics
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Professional, insured vessel operations
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Great Lakes specialization
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Trusted by private owners, marinas, and brokers
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Transparent communication and dependable results

