List of shoals and sandbanks in the southern North Sea
Shoals and sandbanks are characteristic underwater seabed features of the southern North Sea and the eastern English Channel. The relatively shallow water depth allows tidal currents to transport, configure and alter seabed materials, such as sand, shells, clay, and gravel, into elongated banks or shoals of shallow water.
Source: Wikipedia — List of shoals and sandbanks in the southern North Sea (CC BY-SA 4.0)