East Kirkby 13th century Grade II* listed Anglican parish church is dedicated to St Nicholas.
[2] The church tower and nave arcades are of Decorated style, and the chancel screen, Perpendicular.
In the south aisle is a 14th-century slab to Sir Robert Sylkestone (d. 1347), founder of the chantry.
[4] East Kirkby has a disused 1820 Grade II listed tower mill.
The airfield was a Second World War Royal Air Force station, part of which now houses the Lincolnshire Aviation Heritage Centre.