The Thames Estuary is a huge complex of sandbanks and gullies, and at the mouth it forms a huge delta encompassing three rivers, the Blackwater the Crouch and the Thames.
The River Crouch is home to the well known Essex marina at Wallasea Island on the south bank. Essex marina is the oldest marina in the country.
The estuary holds many species, during the spring and summer you cancatch eels, flounders, plaice, bass, thornback rays, smoothounds, tope, stingray, dogfish, mackerel, etc.
In the Autumn the whiting and cod move in and these are the mainstay ofthe fishing through to about march.
The Thames Estuary holds or has held british records for smoothound, stingray, tope, and bass.