No we are not talking about seagulls or Portuguese – Men- of- War but viewers of the ever popular TV series, Doc Martin . Every year fans of the programme flock to visit the village ( the fictional Port Wenn ) and other nearby locations used in … The north Cornwall village of Delabole grew up around the famous slate quarry. Delabole slate has been mined in the area since the Medieval Times. The village of Delabole came into existence in the 20th century; …