Famous for its pier, Southend-on-Sea sits at the south east corner of this map that
Includes:: Canvey Isl&, Basildon, Brentwood & Billericay. Part of the Thames Chase community forest & Hanningfield Reservoir are also featured. With this map you will receive a code for use on your i OS or Android smartphone or tablet. Find our more at Mobile Download FAQ. The OS Explorer map for Southend-on-Sea & Basildon is available in both the standard paper version & weatherproof ' Active' version.