Seaway Marine Group provides marine construction and transportation services throughout New York state and nationwide. Key to Seaway Marine Group’s success is owning the largest fleet of marine equipment on the southern shore of Lake Ontario and the St. Lawrence River.

heavy civil construction, bridge inspection, tug, barge, upstate New York

Who we are

Find out about our family owned company, our experience, expertise, and dedication to providing our clients with the most professional service.

Rip rap, seawall, tug, barge, shoreline protection


Seaway Marine Group provides a wide range of marine construction and transportation services such as: shoreline protection, dock building, dredging, rock drilling, permitting, site work, chartering, towing and salvage to both commercial and residential clients.

marine transportation, Lake Ontario, St. Lawrence River, landing craft


Upstate New York’s largest fleet of commercial marine equipment. Much of our equipment is custom built and shallow draft, enabling us to provide specialty service unavailable elsewhere.