Narragansett Bay is a bay and estuary on the north side of Rhode Island Sound, covering 147 mi² (380 km²), and forming an expansive natural harbor as well as including a small archipelago.
Narragansett Bay is a bay and estuary on the north side of Rhode Island Sound. Covering 147 mi² (380 km²), the Bay forms New England's largest estuary, which functions as an expansive natural harbor, and includes a small archipelago.