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. In 1894 the Civil Parish of Mablethorpe was included in Louth Rural District but in 1896 was created as an urban district in Lincolnshire, Parts of Lindsey.