Newton-by-the-Sea is a civil parish in the county of Northumberland, England.

The parish is about 8 miles northwest of Alnwick, and lies on the coast between the larger settlements of Embleton and Seahouses.

[1] The area of the parish is 15.82 square kilometres (6.11 sq mi)[1] There are two distinct settlements in the parish: High Newton-by-the-Sea (which, despite its name, is about half a mile inland) and the coastal Low Newton-by-the-Sea, owned by the National Trust.

It is a grade II listed building[5] and is today used as a hotel and wedding venue.

[6] The Ship Inn at Low Newton-by-the-Sea is an 18th-century pub with its own microbrewery.