Porcupine Bank is a raised area on the Irish shelf, approximately 200 kilometres (120 mi) west of Ireland.
[1] The relatively raised area of seabed, 200 m below sea level at its highest,[2] lies between the deep-water Porcupine Seabight and Rockall Trough.
[5] The suggestion has since appeared more than once, e.g., in an 1883 edition of Notes and Queries[6] and in the 2009 book Underworld: The Mysterious Origins of Civilization by Graham Hancock.
[8] According to Dr. Anthony Grehan of the National University of Ireland, Galway, the virtually untouched site could benefit dwindling fish stocks and possibly aid medical research.
"These are by far the most pristine, thriving and hence spectacular examples of cold-water coral reefs that I've encountered in almost ten years of study in Irish waters.