It is linked to the south bank of the river by a causeway, covered for up to 3 hours either side of high tide.

For accurate information on visiting safely, saltmarsh creation and managed realignment go to www.nationaltrust.org.uk/northey-island The Battle of Maldon, 991 is believed to have taken place on the causeway and the south bank of the Blackwater near the island.

[2] In 1923 Northey was bought by the writer and campaigner Norman Angell; in 1933 he was awarded the Nobel Peace Prize[3].

[citation needed] The island is part of the Blackwater Estuary Site of Special Scientific Interest.

Northey is home to diverse birdlife and this is reflected in the place name 'Awl Creek' which perpetuates the traditional Essex dialect word for the Avocet.