Monahan’s Marine

Monahans Marine

Located in Weymouth, Massachusetts, Monahan’s Marine is the South Shore’s Premier Boating and Marine Supply Super Store. Monahan’s carries new boats by Tidewater, Jones Brothers, Highfield Aluminum RIBS, Yamaha Outboard Engines, Fishing Gear and Tackle, Foul Weather Gear by Grundens and Gill, Marine safety gear, and one of the largest Ships Store in New England! We have a huge Yamaha Outboard repair facility with certified and factory-trained technicians. We really are your one-stop-shop for all things Boating.

Monahan’s is a family run business and has been since 1961. They believe in getting their customers the right product at the right price! We are true Marine Professionals. We employ fully trained and factory authorized service personnel.

Yamaha Outboards

monahans yamaha

Monahan’s specializes in genuine Yamaha Outboard Engines, parts and accessories, and service.
With our Five Star factory-trained technicians, Monahan’s will be able to keep you on the water all season long.

Yamaha Outboards has spent 25+ years providing customers in the U.S. with high-performance outboard technology and an outstanding boating experience. For anglers and boaters, the name Yamaha is synonymous with legendary reliability, award-winning innovation and high performance.

View Monahan’s In-Stock Yamaha Outboard Engines


Highfield Inflatable Boats

In just six years, Highfield Boats has become the world’s number one aluminum-hulled RIB manufacturer. Highfield now offers small tenders all the way up to a full line of heavy-duty RIBs at home on any ocean.

Highfield rigid hull inflatable boats (RIBs), featuring exclusive powder-coated aluminum hulls, can trace their design heritage to the Australian line of Swift Boats. Developed to handle the tough conditions found along the Great Barrier Reef, Swift rigid-hull inflatable boats are renowned for their durability and performance.

View Monahan’s Stock of Highfield Boats



Contact Us

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Monahan’s Marine
396 Washington St
Weymouth, MA, 02188
PHONE: (781) 335-2746

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