Places on Watts Bar Lake tagged island. 2 places on the directory carry this tag. Browse the list below or jump to a category-specific page from the related links.
A named island on the lake near Rockwood, best known as the home of Gizmo Jam, the lake's annual on-island concert.
Gizmo Isle is a lake island on Watts Bar near 1701 New Hope Road in Rockwood. It is best known as the host of Gizmo Jam, the annual on-island concert. Outside of the event, public information about the island is thin.
A boat-only island in the Watts Bar WMA system with natural shoreline and no competition for it.
Thief Neck Island is a public Wildlife Management Area island on Watts Bar Lake, accessible only by boat. No developed facilities. Day use is free; anyone using it for regulated activities such as hunting or fishing needs the appropriate Tennessee license.
This one's a short list, just 2 places tagged island so far (all lake spots).
Places marked island.
Last updated: November 10, 2026