Mablethorpe and Sutton is a civil parish in East Lindsey, Lincolnshire, England. It is on the North Sea coast and includes Mablethorpe, Trusthorpe, Sutton-on-Sea and Sandilands along with the inland village of Thorpe. According to the 2001 census it had a population of 11,780, increasing to 12,531 at the 2011 Census.