Grumman Aerospace was one of the nation’s top manufacturers supporting WWII efforts overseas; supplying the United States Air Force with several aluminum military aircraft.
The very first aluminum canoe, a 13-footer, was produced at the aircraft plant in Bethpage, Long Island. 
Grumman Canoe complete line of boat products and brands moves to Marathon, NY.
The 20,000sq. ft. production facility allowed the product line to expand to 10 double-end models in both standard & lightweight aluminum, shallow-draft whitewater canoes, & square-stern canoes appealing to anglers and hunters.
Hollywood casts a Grumman canoe in the movie Deliverance with Burt Reynolds.
Grumman produced the largest aluminum boat in its history. Designed for the Great Lakes, it measured 22’ 3”.
The Grumman boat and canoe division was sold to OMC of Illinois, who soon purchased the DuraNautic Boat Company’s tooling and assets and moved them to the Marathon Plant.
A group of former Grumman managers & investors formed the Marathon Boat Group to purchase the canoe and boat operation from OMC and resumed production of Marathon canoes, identical in every respect to the legendary Grummans.
Marathon decided to manufacture & design pontoon boats after about a two-decade absence.
Altair Investments Inc. acquired Marathon Boat Group. Altair has exciting plans to invest in and grow MBG with expanded product lines, as well as develop new product platforms to address current consumer boating needs. MBG is an innovator, designer, manufacturer, and marketer of canoes, fishing boats, and pontoons under the Grumman, DuraNautic, and Vanderbilt brand names.
Grumman Aerospace was one of the nation’s top manufacturers supporting WWII efforts overseas; supplying the United States Air Force with several aluminum military aircraft.
The very first aluminum canoe, a 13-footer, was produced at the aircraft plant in Bethpage, Long Island.
Grumman Canoe complete line of boat products and brands moves to Marathon, NY.
The 20,000sq. ft. production facility allowed the product line to expand to 10 double-end models in both standard & lightweight aluminum, shallow-draft whitewater canoes, & square-stern canoes appealing to anglers and hunters.
Hollywood casts a Grumman canoe in the movie Deliverance with Burt Reynolds.
Grumman produced the largest aluminum boat in its history. Designed for the Great Lakes, it measured 22’ 3”.
The Grumman boat and canoe division was sold to OMC of Illinois, who soon purchased the DuraNautic Boat Company’s tooling and assets and moved them to the Marathon Plant.
A group of former Grumman managers & investors formed the Marathon Boat Group to purchase the canoe and boat operation from OMC and resumed production of Marathon canoes, identical in every respect to the legendary Grummans.
Marathon decided to manufacture & design pontoon boats after about a two-decade absence.
Altair Investments Inc. acquired Marathon Boat Group. Altair has exciting plans to invest in and grow MBG with expanded product lines, as well as develop new product platforms to address current consumer boating needs. MBG is an innovator, designer, manufacturer, and marketer of canoes, fishing boats, and pontoons under the Grumman, DuraNautic, and Vanderbilt brand names.
Adventure Ages Well
The Grumman you paddle today echoes decades of campfires, fishing trips, and quiet coves. For 80 years, we’ve helped people write their own stories on the water—one portage, paddle stroke, and passing season at a time. Built to last, backed by decades of know-how, and trusted by those who work and play outdoors.
Service, Stock, & Support
With boats in stock, parts on hand, and a knowledgable American support team ready to assist, we keep things moving. Dealers know us for our consistency. Customers know us for our boats. And everyone counts on us when the season’s on.
Built for a Lifetime
For generations, our aluminum boats and canoes have been part of family traditions, wilderness rites of passage, and unforgettable summers. Marathon Boats are still made by people who care deeply about getting it right. We’re not here to chase trends. We’re here to make boats that endure. Because in the end, it’s not just where you go—it’s the stories you bring back with you.