REMEMBER -  the two best days in a boater's life are when you buy your boat and then you bring it to J & B Marine for service

Serving Florida's Upper Keys

J & B Marine Repairs - Boat Repair | Tavernier, FL Anchor about-hero

J & B Marine is a marine mechanics shop and ship store located in Tavernier in sunny Florida Keys. You can find us at mile marker 92.5 (Bayside), where we've been providing professional marine services for the past 26 years. With over 35 years of experience in the industry, we specialize in providing mobile dockside service for Johnson, Evinrude, Yamaha, Mercury, and Nissan motors.


We are highly experienced in all aspects of marine repairs, specializing in 100-hour services, diagnostics, engine repair, engine rebuilding, engine repowering, and complete re-rigs.


Stop by our ship store where you'll find everything you need to customize, repair, or upgrade your vessel's vital components. We also have a large inventory of quality used and after-market parts offered at savings, so you can make the necessary  repairs for less.

About J & B Marine Repairs

Providing a wide variety of marine services

J & B Marine provides customers with the utmost in quality, service, and care. We know that our customers are the foundation of our business, which is why customer satisfaction is our top priority. We treat you the way we would like to be treated.


REMEMBER: the two best days in a boater's life is when you buy your boat and when you bring it to J & B Marine for service. We look forward to earning your respect and having you as a customer.


We offer a variety of marine services click on the links below to find out more:


Outboard Motor Service – Electrical installation and repair, mechanical repairs, rebuilds and repowers, custom rigging.


Used Boat Sales – Boats available by consignment. Buy, sell, or trade your boat.



We are proud to be an authorized Nissan outboard motor dealer.

Call us today at


for more information

Over 35 years of experience in the marine service industry

Store phone consignment