Walking on the sea wall
From the bottom of Fish Street take the footpath to the left, alongside the playing field, and follow it to Goldhanger Creek. From here you can walk in either direction; right towards Heybridge or left towards Tollesbury.
There are fine views of Osea Island in the middle of the Blackwater Estuary. Huge numbers of native and migrating birds can be found out here. On a good day you will hear nothing but the wind, the birds, and the water lapping at the sea-wall.