For over 30 years, Tri‑State Marine has been Chesapeake Bay's leading authorized Yamaha Outboard  retailer, achieving 5‑star Gold
Certified Status.



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As the Chesapeake Bay region’s top Yamaha authorized dealer with 5-Star Gold Certified status, you can trust in our team of factory certified service technicians, including an industry best master service technician, to deliver your boat new power to enjoy for many years to come. We exclusively sell, install and service Yamaha motors for a reason: For more than 30 years, Yamaha Outboards have delivered far more than superior power, performance and efficiency. Yamaha owners get something that can’t be measured in HP or RPM — with legendary Yamaha reliability, purpose-built from the ground up to withstand the rigors of offshore boating.

Tri-State Marine offers the full-line of Yamaha Outboard products from 2.5 HP motors for smaller boats to the XTO Offshore 5.6L 425 HP for the best in offshore fishing for those seeking style, performance and safety. We also offer Yamaha’s full-line of Rigging Components, including the Helm Master EX enabling joy-stick control and auto-pilot functionality, Engine Binnacle Controls, Gauges, Touch-screen Displays and Switch Panels. Whatever your needs, our advisors and techs have you covered. 

Take a look at the many Yamaha Outboard products available and don’t hesitate to contact one of our expert advisors who can guide you on making the best repower and rigging decision for specific needs. At Tri-State Marine, we’ve built our reputation over 50 years providing you with the very best in marine services — trust in our experience to get you back on the water with comfort and confidence.

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XTO Offshore

Massive power for boats up to 50'

300 - 150HP

From powerful V8’s to I-4 four strokes that set the bar for offshore performance.

115 - 30HP

Great mid-range four strokes for reliable in-shore performance.

25 - 2.5HP

Light, portable, and efficient power.