Where is Port Isaac Doc Martin locations? In the 80s, Port Isaac was the place, where programs and serials were shot. For example, the series “Doc Martin”, which was filmed about a London surgeon who decided to move out of the city to a quiet fishing village. Fans can walk down the location and see many familiar places such as the drugstore and Louise’s old mansion. Among the most recognizable places is the surgery where Doc Martin lives and works. It is settled on Roscarrock hill and is situated overlooking the Bay below. Doc Martin fans will recognize Doyden castle, from where Mrs. Tishell revealed her secret to the main hero in the last scene of the fifth series.