The Celtic Sea is a marginal sea of the Northeast Atlantic Ocean located to the south of Ireland and southwest of Great Britain. It is bounded by Ireland to the north and west, Wales and South West England to the east, and the Bay of Biscay to the south. The Celtic Sea is about 500 kilometers (310 miles) long and 200 kilometers (120 miles) wide, with an average depth of 100 meters (330 feet).

The Celtic Sea is a relatively shallow sea, with a maximum depth of 200 meters (660 feet). The seafloor is relatively flat, with some areas of rocky outcrops. The Celtic Sea is home to a variety of marine life, including fish, shellfish, and seabirds.

The Celtic Sea is an important trade route between Ireland and Great Britain. The sea is also used for fishing, recreation, and tourism.

The Celtic Sea has a long and rich history. The sea was first settled by humans around 10,000 years ago. The area was later home to the Celts, who were eventually conquered by the Romans. The Celtic Sea was a major trade route during the Middle Ages, and it was the site of many naval battles.

In the 19th century, the Celtic Sea was a major center of the Industrial Revolution. The sea was used to transport coal and other goods between Ireland and Great Britain. The Celtic Sea was also the site of several major shipwrecks, including the Titanic.

The Celtic Sea is a beautiful and historic body of water. The sea is home to a variety of marine life, and it is an important trade route. The Celtic Sea is also a popular destination for fishing, recreation, and tourism.

Here are some additional facts about the Celtic Sea:

  • The Celtic Sea is the second-smallest sea in the world, after the Hudson Bay.
  • The Celtic Sea is home to the largest population of bottlenose dolphins in the world.
  • The Celtic Sea is the site of the world’s largest offshore wind farm, the Walney Extension Offshore Wind Farm.
  • The Celtic Sea is a popular destination for scuba diving and snorkeling.
  • The Celtic Sea is home to a variety of shipwrecks, including the Titanic.