Abbey River Tideway where there are two larger islands. It is much smaller than Canvey Island and the Isle of Sheppey and narrowly ahead of Andersey Island facing Abingdon-on-Thames, another market town with an abbey which had multiple medieval mills, another of note being Westminster Abbey, the island of which Thorney Island no longer exists. The outfall of the Abbey River is 400 m above Chertsey Bridge, into the weir pool of Chertsey Weir. The manmade strictly-considered "island" the bypass channel forms is outranked in size since the 2002 completion of the Jubilee River by the example containing Dorney and Eton, Berkshire.
Canvey Island Council by 17 councillors elected from six wards: Canvey Island Central, East, North, South, West and Winter Gardens. 16 of the 17 councillors belong to the Canvey Island Independent Party (CIIP) formed in 2003 by ex-Labour deputy Council leader and local resident Dave Blackwell. The remaining councillor is Conservative. The Canvey Island town council was formed in 2007 after a petition spearheaded by islander Albert Payne, with the signatures of 3,000 islanders, was accepted by the government. , the council has 11 councillors, 10 of whom are Canvey Island Independent members, and functions with Councillor surgeries and through four committees