Then one evening, the shoreline moves and the dark suddenly answers back. Roanoke Sound, Outer Banks, North CarolinaA paddle dipping into Roanoke Sound can turn into its own little experiment after dark. Shorelines become silhouettes, stars reflect on dark water, and every splash suddenly seems louder. You may spend ten minutes watching dark waves without seeing anything unusual. Even a modest display feels dramatic when the rest of the North Carolina sound is nearly black.