Durlston Castle – The Jurassic Coast Visitor Centre Durlston Castle is located in Dorset, just outside the coastal town of Swanage in the southeast corner of the Isle of Purbeck; the Castle is a focus point within Durlston County Park. Use the booking form to reserve a bed and breakfast near Durlston Castle, or book a hotel near Durlston Castle. Durlstoncastle.co.uk~Site InfoWhoisTrace RouteRBL Check