Expert Outboard Repair & Marine Service

Yamaha Outboard Specialists Serving the Chesapeake Bay Since 1988

Outboard
Service & Repair

Hi-Tech Marina services Yamaha outboards with full diagnostics, 100-hour to 1,000-hour maintenance, and complete repair or replacement work.

Our Services

Performance
& Upgrades

Hi-Tech Marine offers performance tuning, prop matching, electronic installs, and other upgrades that improve speed, handling, fuel efficiency, and overall performance.

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Quality Parts
& Propellers

Filters, plugs, electronics and steering parts, we’ve got you covered. We also sell and install PowerTech! props to improve hole-shot, speed, and fuel efficiency.

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About Hi-Tech Marine

Hi-Tech Marine has served the Chesapeake Bay for more than 35 years.

Family-owned and operated since 1988, Hi-Tech Marine Services provides reliable repair, maintenance, and performance upgrades for Yamaha outboards. We work on sport boats, racing vessels, pleasure craft, and fishing boats — everything from routine 100-hour services to complete diagnostic and repair work.

Our approach is simple: honest work, fair pricing, and the experience to get you back on the water quickly.

Hi-Tech Marine Services: Yamaha Outboard Specialists Serving the Chesapeake Bay Since 1988

Hi-Tech Customer Portal

Skip the Phone Tag with Fast,
Easy Service Requests

With Hi-Tech Marine’s customer portal, you can schedule service, check order history, store important documents, and stay in touch with us. It’s the easiest way to keep your boat’s maintenance organized.

What Our Customers Are Saying

“
Mark O.Glacier Bay 220
“They’ve taken care of my boat every spring and winter, and anytime I've needed help in between. They guided me through a tricky repower and have always been there when I needed them.”

“
Mike H.Grady White 275
“Ed knows Yamahas better than anyone I’ve ever worked with. His diagnostic work is spot-on every time, and his team backs it up with solid, reliable service.”

“
M.R.from The Hull Truth
“Nobody knows the F350 more than Ed Miller at Hi Tech marine!”

“
O.H.from The Hull Truth
“Ed solved a fuel problem that stumped others, stood by his work, and treated me more than fair. He’s a skilled and trustworthy Yamaha expert.”

“
R.M.from The Hull Truth
“Ed earned my trust — and my business. Great mechanic, fair dealer, and a guy who stands behind his work.”

Hi-Tech Marine’s Partner Marina

Need Fuel, a Slip, a Haul Out, or Winter Storage?

Hi-Tech Marine proudly partners with Stansbury Marina, offering boaters 93-octane gas, slips, pump outs, and winter storage. It’s the perfect match for the high-performance boats and outboards we service at Hi-Tech Marine, with fast access to Hart-Miller Island, Baltimore, and the Eastern Shore.

Visit Stansbury Marina

Stansbury Marina | Family-Friendly Marina in Middle River, MD