[3] In 1916 Grinkle Mine was connected to the Whitby, Redcar and Middlesbrough Union Railway thus avoiding the wartime hazards of shipping and the tramway tunnel abandoned.

In 1934 Grinkle Mine was abandoned,[3] then the harbour machinery was sold off as scrap and the gantry accidentally destroyed by a fire.

[1] The west harbour breakwater wall was deliberately destroyed by the Royal Engineers to prevent its use as part of any German invasion during World War II.

The cliff area is subject to coastal erosion, landslips and path closures, and the tide can cut off beach walkers.

[11] Ammonite, dinosaur and reptile fossils can be found on the foreshore and in the cliffs and because of this it is a Site of Special Scientific Interest.