조선초기에는 내, 외나로도가 보성군에 속한 2개의 해도로서 내내, 노도, 외내도로 표기하였으며 외나로도에는 조선시대 도양목장의 속장이었다.
In the early Joseon Dynasty, Nae and Oenarodo Islands were two Island on the sea belonged to Boseong-gun, which were marked as Naenae, Nodo and Oenaedo, and in Oenarodo Island, there was a sub-ranch of the Doyang Ranch during the Joseon Dynasty.