How deep is the Narragansett Bay?

The Narragansett Bay is a drowned river valley estuary located in the U.S. state of Rhode Island. The bay is about 28 kilometers (17 miles) long and 12 kilometers (7 miles) wide, with a maximum depth of 152 meters (500 feet). The bay is fed by several rivers, including the Pawtuxet River, the Providence River, and the Taunton River. The bay is home to a variety of marine life, including fish, shellfish, and seabirds.