Admiral Yi Sun-sin used this base to organize and train his navy before the decisive Battle of Hansan.
The name 'Jeseungdang' translates to 'Hall of Victory through Wise Planning.'
It is the first site in Korea to be designated a Historical Site (No. 113).
The complex features a monument commemorating the Turtle Ship's strategic development.
The site includes Su-u-jeong, a pavilion where the Admiral wrote his famous war diaries.
Jeseungdang is a historic naval headquarters located on Hansan Island, serving as the command post for Admiral Yi Sun-sin during the Imjin War between 1593 and 1597. It functioned as the main base for the Three-Province Naval Forces, providing a strategic vantage point to control southern sea routes. The current complex consists of restored traditional wooden buildings, including the main command hall, barracks, and exhibition spaces. It is accessible exclusively by ferry from Tongyeong Port, reflecting its original role as a maritime fortification. The site is integrated into the Hallyeohaesang National Park, surrounded by pine forests and calm coastal waters.
The view from the stone stairs leading up to the main hall, overlooking the bay.
Wear comfortable walking shoes for the hilly terrain connecting the pier to the main buildings.
Bring water as there are limited facilities once you leave the harbor area.
Check ferry schedules carefully as they are weather-dependent and may be canceled during rough seas.
Missing the return ferry, which results in being stranded on the island overnight.
Closed on Mondays; operations may be suspended during extreme weather conditions.
Maintain a quiet, respectful demeanor as it is a site of national historical significance.
