Wainfleet St Mary is a village in Lincolnshire, England.
It is situated within the PE24 postcode district, which is within the Skegness post town.
The full list of postcode districts within the Skegness post town is as follows:
The Skegness post town is within the Peterborough postcode area.
Administrative Ward: Wainfleet and Friskney
Administrative District: East Lindsey
Administrative County: Lincolnshire
Country: England
UK Parliament: Boston and Skegness
NHS Local Health Authority: East Midlands
NHS Region: North, Midlands and the East