Puget Sound is a large estuarine system located in the northwestern United States, primarily in the state of Washington. It is known for its deep waters, intricate coastline, and numerous islands. The sound connects to the Pacific Ocean through the Strait of Juan de Fuca and is surrounded by major cities, including Seattle and Tacoma. The region is rich in biodiversity, supporting various marine life such as salmon, orcas, and sea otters. Puget Sound is also a popular destination for outdoor activities like kayaking, sailing, and hiking, attracting both locals and tourists who enjoy its natural beauty and recreational opportunities.