present harbour, now a Category B listed structure, has two massive breakwaters, enclosing an area of approximately 300 acre in Peterhead Bay. The south breakwater, about 2700 ft long, was constructed in 1892-1912 using convict labour from the prison. Peterhead was, and remains, an important fishing port, and the breakwater gave it an advantage over other fishing ports. The north breakwater, constructed 1912-1956, is approximately 1500 ft long.

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