👉 "Marshalsea" is a type of waterway in the United Kingdom that connects the English Channel to the North Sea. It is also known as a "channel" or "bay" and is typically used for shipping, leisure activities, and tourism. The Marshalsea is located between the English Channel and the North Sea, along the coast of England. It runs north from the mouth of the River Thames in London to the entrance into the North Sea at the mouth of the River Severn
