Headquartered in Clayton, NY, Seaway Marine Group provides a wide range of marine based services throughout the St. Lawrence River, Lake Ontario, upstate New York, and beyond.

We provide services to public, commercial, and residential clients. These services include tug and barge support, submarine cable laying, dredging, seawalls and shoreline protection, sheet piling, dock building, rock drilling, boat lifts, barge service, and marine transportation.

Our large range of shallow draft vessels and Poseidon® and Flexifloat® sectional barges allows us to reach locations that have restricted access. Additionally, all of our equipment is easily transported by truck allowing us to work on inland rivers and lakes.

Please explore our range of services, full list of equipment, and contact us today to discuss your upcoming project or marine support needs.