Irish Sea Facts

There are many beautiful and wonderful places all around the world. Islands, beaches, cities, mountains, lagoons, all amazing in their own way. Also, throughout history, many places that had not previously been thought of as amazing suddenly became so.

Each place and location is special in its own way and for its own reasons. One incredibly fascinating place is the Irish Sea. If you are looking for fun and amazing facts about the Irish Sea, this is the article for you! Keep reading to learn some amazing things.

Irish Sea Facts!

  • Once upon a time, the Irish Sea was nothing more than a long, freshwater lake.
  • In the year 1917 when the US first entered the first World War, the Irish Sea became known as U-boat Alley. A u-boat is a German submarine that was used in both World War I and II. Other cultures later adopted the u-boat for their own needs.
  • The Irish Sea is the only place where you can find the endangered Pink Sea Fan Coral.
  • Currently, there are 742 wind turbines that are either operational or under construction in the Irish Sea.
  • Every year, an approximate 17 million tons of trade goods and 12 million passengers pass between Great Britain and Ireland on the Irish Sea.
  • Every year, the fish gathered out of the Irish Sea roughly amounts to 6 billion pounds in revenue which equals $7,923,390 in US dollars.
  • The Irish Sea contains approximately 30 known species of sharks. This includes the second largest fish species in the world, the basking shark.
  • It is estimated that around 8 million liters of nuclear waste is dumped every day into the Irish Sea from processing plants.
  • Because of the nuclear waste that is dumped into the Irish Sea every day, it is consider to be the most heavily nuclear contaminated sea.
  • Not only is the Irish Sea the most nuclear contaminated, it is also considered to be the most polluted sea in the world.
  • There are many species of whales in the Irish sea. There have been at least 12 different species spotted. This includes the humpback whale, the minke whale, and the fin whale.
  • The Irish Sea is a hot spot for recreational water activities. This includes diving, sailing, jet skiing, canoeing, surfing, and kite surfing just to name a few.


Here are some more fun facts!

Question: What are the largest cities located on the coast of the Irish Sea?

Answer: Dublin, Blackpool, Liverpool, Bangor, Crosby, Birkenhead, Southport, Belfast, Furness, and Wallasey.

Question: What type of habitats does the Irish Sea contain?

Answer: Rocky reefs, honeycomb reefs, beds of seagrass, and muddy beds.

Question: How many species of birds frequent the shores of the Irish Sea?

Answer: 21

Question: What are the names of the Irish Sea’s two largest islands?

Answer: Isle of Anglesey and Isle of Man. The Isle of Anglesey is owned by the Welsh and the Isle of Man is independently governed.

Question: How long is the Irish Sea?

Answer: One hundred and thirty (130) miles

Question: Overall, how deep is the Irish Sea?

Answer: Around three hundred and fifty (350) feet

Question: How many islands are located in the Irish Sea?

Answer: Over fifty (50)

This has been a list of fun and interesting facts all about the Irish Sea! There is far more to learn about this amazing place,but this list contains the highlights. If you ever have a chance to travel to the Irish Sea, go and experience the magnificence for yourself. Hopefully, you have learned something new and fascinating!