Milford Haven Waterway is a natural harbor located in Wales, specifically in Pembrokeshire. It is known for its deep waters and sheltered bays, making it an important site for shipping and maritime activities. The waterway is approximately 20 miles long and connects to the Irish Sea, providing access for various vessels. The area surrounding Milford Haven Waterway is rich in biodiversity and features several nature reserves. It is also home to the town of Milford Haven, which has a history tied to the fishing and shipping industries. The waterway plays a crucial role in the local economy and tourism.