|Sunk Island shown within the East Riding of Yorkshire|
|Population||228 (2011 census)|
|OS grid reference|
|Sovereign state||United Kingdom|
|EU Parliament||Yorkshire and the Humber|
Sunk Island is a Crown Estate village and civil parish in the East Riding of Yorkshire, England. It lies 3 1⁄2 miles (6 km) south of Ottringham and 1 mile (1.6 km) to the north of the Humber Estuary. The Greenwich Meridian passes through the east of the parish.
Sunk Island originated as a sand bank in the Humber Estuary; at first it was open sea, then sand accumulated there until visible at low tides, then at all tides. Colonel Gilby made the outer banks, empoldering it and making it useful for pasturage, under lease/gift from the crown.
By the reign of Charles I of England, it was said to form a 7-acre (3-hectare) island, 1 1⁄2 mi (2.4 km) from the mainland. From 1663, the land around it was gradually drained, and by the mid-18th century, the channel separating it from the shore had entirely silted up. It was parished in 1831.
- "Key Figures for 2011 Census: Key Statistics: Area: Sunk Island CP (Parish)". Neighbourhood Statistics. Office for National Statistics. Retrieved 7 February 2013.
- "Sunk Island, Greenwich Meridian Marker". The Greenwich Meridian. Retrieved 18 July 2010.
- "2001 Census: Key Statistics: Parish Headcounts: Area: Sunk Island CP (Parish)". Neighbourhood Statistics. Office for National Statistics. Retrieved 20 May 2008.
- Philosophical Transactions, vol 30, p. 1015
- GENUKI. "SUNK ISLAND: Geographical and Historical information from the year 1892.". Retrieved 3 August 2007.
- Pevsner, Nikolaus; Neave, David (2002) . Yorkshire: York and the East Riding: The Buildings of England (2nd ed.). Yale University Press. ISBN 0-300-09593-7.
- Historic England. "Church of the Holy Trinity (1161190)". National Heritage List for England. Retrieved 7 February 2013.
- Gazetteer — A–Z of Towns Villages and Hamlets. East Riding of Yorkshire Council. 2006. p. 10.
|Wikimedia Commons has media related to Sunk Island.|
- Historic England. "Holy Trinity Church (166621)". Images of England.
- Sunk Island Crown Estate
- Sunk Island meridian marker
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