Call: 603-436-5299
61 Beane Lane, Newington, NH 03801
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Great Bay Marine Inc.


Great Bay Marine Inc.Welcome to Great Bay Marine

The New Hampshire Seacoast’s only year-round, full-service boating facility – just six miles up the Piscataqua River on 36 acres serving Portsmouth, Newington, and surrounding communities.

At Great Bay Marine you’ll find:   

Great Bay Marine Inc.

 A Long Tradition

Since 1956, the Griffin family has been hosting generations of families looking for quality, reasonably priced, professional marine services. Great Bay Marine’s convenient, sheltered location is ideal for cruising the Great Bay, the Piscataqua River, and beyond to our nearby history filled islands and open sea.

Great Bay Marine is committed to your boating.
“We want you on the water!”