Porcupine Bank
![Northeast Atlantic bathymetry, with Porcupine Bank and the Porcupine Seabight labelled.](/Images/godic/202502/03/Porcupine_Bank_and_Seabight,_NE_Atlantic4525.png")
Porcupine Bank is an area of the Irish shelf, on the fringes of the Atlantic Ocean approximately 200 kilometres (120 mi) west of Ireland. The relatively raised area of seabed, 200 m below sea level at its highest, lies between the deep-water Porcupine Seabight and Rockall Trough.