Seongmodo Island Arboretum was established on Seongmodo Island in recognition of its suitability for research on plants native to the Nothern Limit Line and marine plants in preparation for gloabl warming. In addition, it is built along the valley of the Seongmo-ri area and boasts a pollution-free natural environment. It is a tourist destination where the mountains and the sea coexist and conveys values ​​and benefits of forests, allowing visitors to commune with nature.