Sutton-on-Sea is a village in Lincolnshire, England.
It is situated within the LN12 postcode district, which is within the Mablethorpe post town.
LN12 is the only postcode district within the Mablethorpe post town.
The Mablethorpe post town is within the Lincoln postcode area.
Administrative Ward: Sutton on Sea North
Administrative District: East Lindsey
Administrative County: Lincolnshire
Country: England
UK Parliament: Louth and Horncastle
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East