Narragansett Bay

Bays

Narragansett Bay is a bay and estuary on the north side of Rhode Island Sound covering 380 km2, 312 km2 of which is in Rhode Island. The bay forms New Englands largest estuary, which functions as an expansive natural harbor and includes a small archipelago. Small parts of the bay extend into Massachusetts.

There are more than 30 islands in the bay; the three largest ones are Aquidneck Island, Conanicut Island, and Prudence Island. Bodies of water that are part of Narragansett Bay include the Sakonnet River, Mount Hope Bay, and the southern, tidal part of the Taunton River. The bay opens on Rhode Island Sound and the Atlantic Ocean; Block Island lies less than 32 km southwest of its opening.

Bays

Mount Hope Bay

Greenwich Bay (Rhode Island)

Largest tributaries

Providence River