Location and coordinates are for the approximate centre of Port Isaac within this administrative area. Geographic features and populated places may cross administrative borders.
Gazetteer of the British Isles (Edinburgh: Bartholomew, 1887). John Bartholomew
Port Isaac, vil., Endellion par., Cornwall, at S. side of Port Isaac Bay, 6½ miles NE. of Padstow; P.O., T.O.; occupies a pleasant situation, and is the principal shipping place for the slate from the Delabole quarries. Port Isaac Bay extends 4½ miles, and is bounded S. by Varley Point and N. by the Gull Rocks.