Southampton Water is a tidal estuary located on the southern coast of England. It stretches approximately 13 kilometers (8 miles) from the city of Southampton to the Solent, where it meets the open sea. The estuary is an important shipping route, serving as a major port for both commercial and passenger vessels. The area around Southampton Water is rich in wildlife and features several nature reserves. It is home to various bird species, making it a popular spot for birdwatching. The waterway also supports recreational activities such as sailing and fishing, contributing to the local economy and community.