The island was reclaimed from the Thames Estuary in the 18th century and used as pasture until 1910 when a sewage works was built on it.
[2] At the western end were two bird hides; overlooking a purpose-built scrape or lagoon where waders feed to the west and Benfleet Creek/Canvey Island Leigh Beck to the southwest.
At the end of the island road on the south side, is a sloping concrete jetty, operated by the Port of London Authority, a boat storage area and two car parks.
6th Westliff and 2nd Chalkwell Bay Scout groups' water activity centre is located at the end of the car park.
At low tide the one to the east is discernible by walking out over a bank path built on the marsh and the one on the island can be viewed easily, though access inside is restricted due to cultivating plants and the structure is derelict.