Yeosu Seonso Historic Site is located in Sijeon-dong, Yeosu-si, Jeollanam-do. This shipyard houses the Turtle Ship designed by Admiral Yi Sun-sin and Na Dae-yong, who were renowned for their shipbuilding skills during the Japanese Invasion of Korea.

The shipyard site includes a gulgang (small stream to dock ships), a stone moorage for anchoring ships, a dolbeoksu (stone pole), and a Segeomjeong site.