River Thames shipping coming in and out of London, in 1732 it received the world's first lightship. This became a major landmark, and was used as an assembly point for shipping. Today it is marked by Sea Reach No. 1 Buoy. The River Thames contains over 80 islands ranging from the large estuarial marshlands of the Isle of Sheppey and Canvey Island to small tree-covered islets like Rose Isle in Oxfordshire and Headpile Eyot in Berkshire. They are found all the way from the Isle of Sheppey in Kent to Fiddler's Island in Oxfordshire. Some of the largest inland islands, for example
Canvey Island also home to two Dutch Cottages, one in Haven Road and the other on Canvey Road, which were built during the 17th century by Dutch immigrants working on the sea walls. The cottage at Canvey Road is home to the Dutch Cottage museum. Some of Canvey's lost landmarks include the Goldmine club on Western Esplanade, the original Oysterfleet public house and lighthouse and Cherry Stores. Canvey Island is connected to the mainland in the northwest by two roads with bridges: the A130 (Canvey Way) and the B1014 (Canvey Road). Built in 1972, the A130 (Canvey Way) crosses East Haven Creek