Marske-by-the-Sea is a village in the civil parish of Saltburn, Marske and New Marske, in the unitary authority area of Redcar and Cleveland and the ceremonial county of North Yorkshire, England. It is located on the coast, between the seaside resorts of Redcar and Saltburn-by-the-Sea, although it is not itself a seaside resort. Marske comprises the wards of Longbeck and St Germains.