Lower Horse of islands (five of which later re-clustered to form Canvey Island), that broke away from the English coastline in the medieval period. Lower Horse Lower Horse is a uninhabited island off the English coast, lying in the Thames Estuary between Canvey Island and Stanford-le-Hope, close to . Administratively it is part of Thurrock unitary authority; the border with its ceremonial county namely the administrative county of Essex runs between it and Canvey Island. Smaller than normal markings for an area of saltings (traditional, open air, sea salt extraction through drying) appear in the Ordnance Survey map of 1919, which confirms
South Shore Estuary South Shore Estuary The South Shore Estuary is an estuary located along the south shore of Long Island, between the mainland and the outer barrier islands, in eastern New York state. It stretches for over from West Bay in Nassau County to the Shinnecock Bay in Suffolk County. The South Shore Estuary includes a series of interconnected bays, rivers, streams, wetlands and small islands located along Long Island's south shore between the mainland and the barrier islands. Reynolds Channel, West Bay, Middle Bay, East Bay, South Oyster Bay, Great South Bay, Patchogue Bay, Moriches Bay and Shinnecock Bay are part