MARTON, a township, joint with Sewerby, in the parish of BRIDLINGTON, wapentake of DICKERING, East riding of the county of YORK, 2 miles (N. E.) from Bridlington. The population is returned with Sewerby. Here are vestiges of an ancient ravine, consisting of a double line of defence, with breast-works, extending one mile and a quarter from, the southern shore of Flamborough-head; this immense work is ascribed to the Danes, and is therefore termed "Danes Dike."