Newburyport is a small, coastal city in
Essex County, Massachusetts, United States, northeast of Boston. The population was 17,416 at the
2010 census. A historic
seaport with a vibrant tourism industry, Newburyport includes part of
Plum Island. The mooring, winter storage and maintenance of recreational boats, motor and sail, still contribute a large part of the city's income. A
Coast Guard station oversees boating activity, especially in the swift tidal currents of the
Merrimack River.