Durlston Bay
Image:Durlston [bay from durlston castle.jpg|thumb|Durlston Bay from Durlston Head]
Durlston Bay is a small bay next to a country park of the same name, just south of the resort of Swanage, on the Isle of Purbeck in Dorset, England. It has been a renowned site for Lower Cretaceous fossils since the initial discovery of fragments there by Samuel Beckles in the 1850s.