 Dating from the 14th century, it was restored in 1904.The Grade II listed Royal Oak public house has a datestone of 1473, but is believed to date from the 17th century, with 18th- and 20th-century additions.Also in the village is a Grade II listed tower windmill dating from 1820, although it ceased working as a windmill in 1910.but continued to mill with an engine until mid 1940s

Mareham le Fen Church of England Primary School was built in 1840 as a National School and was enlarged in 1880.