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Irish Sea facts for kids

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Irish Sea
Irish Sea satellite image.jpg
Satellite image
Irish Sea – relief, ports, limits.tif
Bathymetry, limits and ports:
= ferry port / = freight port only
Location between Great Britain and Ireland
Coordinates 53°N 5°W / 53°N 5°W / 53; -5
Type Sea
Basin countries United Kingdom; Republic of Ireland; Isle of Man
Surface area 46,007 km2 (17,763 sq mi)
Water volume 2,800 km3 (2.3×109 acre⋅ft)
Islands Anglesey and Holy Island, Isle of Man and Calf of Man, Bardsey Island, Walney, Lambay, Ireland's Eye
Settlements (see below)
Irish Sea 4.82844W 53.54821N
NASA map of the Irish Sea

The Irish Sea (sometimes called the Manx Sea) is a body of water that separates Ireland and Great Britain. It is known to be one of the most polluted seas in the world including the North Sea and the Mediterranean Sea. The sea is important to regional trade, shipping and fishing. It is a source of power generation in the form of wind power and nuclear plants. Annual traffic between Great Britain and Ireland amounts to over 12 million passengers and 17 million tonnes (17,000,000 long tons; 19,000,000 short tons) of traded goods.


It covers 17,374 square miles (45,000 km2) and at its deepest point is 300 metres (980 ft) deep. In 2008, about 38 million tonnes (37,000,000 long tons; 42,000,000 short tons) of fish were caught. 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 Barryroe oil field alone.


At least thirty species of shark can be found in the Irish Sea at different times. These include the basking, thresher, blue, mako and porbeagle sharks. There are about 12 species of Dolphin, porpoise and whales in the Irish Sea. These include the common dolphin, bottlenose dolphin and the harbor porpoise.

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See also

Kids robot.svg In Spanish: Mar de Irlanda para niños

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