Jangsado Sea Park, located approximately 21km (about 50 minutes) from Donam Port in Tongyeong, is an island within the Hallyeohaesang National Park, boasting over 100,000 camellia and silver magnolia along with natural monuments like the fairy pitta, sickle neofinetia, and seongnan orchids. Resembling a silkworm with a x_width of 400m and a length of 1.9km, it was formerly known as Jangsado Island, and it was called as 'Jamsado' in that time. The island features attractions such as the Camellia Tunnel Trail, Maze Garden, Herb Garden, Rainbow Bridge, and Seungni Observatory.