Saltfleetby is a village and civil parish in the East Lindsey district of Lincolnshire, England on the coast of the North Sea, about 7 miles (11 km) east from Louth and 10 miles (16 km) north from Mablethorpe.

Saltfleetby contains a wooden village hall,[4] fishing lakes with a campsite and shop, and the Prussian Queen public house.

The Second World War defences constructed in and around Saltfleetby have been documented by William Foot.

[5] They included extensive minefields between the Great Eau river and the dunes, a large number of pillboxes and a Home Guard shelter in the field adjacent to The Prussian Queen.

A section of the parish seashore is salt marsh between Saltfleetby and the North Sea, and is part of the Saltfleetby-Theddlethorpe Dunes National Nature Reserve, which has sea dunes and both saltwater and freshwater marshes.