It covers 17,374 square miles (45,000 km2) and at its deepest point is 300 metres (980 ft) deep.[1] In 2008, about 38 million tonnes (37,000,000 long tons; 42,000,000 short tons) of fish were caught.[1] Shell fish made up three quarters of this amount.
The Irish Sea has 17 active oil and gas drilling platforms. It is estimated there are about 1.6 billion barrels of oil in the Barryroeoil field alone.[2]