It separates the central Outer Banks from Roanoke Island.
Plants and Animals
Some of the animals are shellfish, oysters, blue crabs, grass shrimp, and clams. Some of the plants are the black needlerush, and cordgrasses.
rivers, streams, or waterways that feed into the sound
I couldn't exactly find anything that fed right into the sound, but the closest one would be the Alligator River.