Heuksando () is an island in the Yellow Sea located off 97.2 km from the southwest coast of Mokpo, Jeollanam-do, South Korea. It covers an area of 19.7 km<sup>2</sup> and consists of several peaks: Munamsan (문ìÂÂì°/ 400m), Gitdaebong (ê¹ÂëÂÂë´Â/ 378m), Seonyubong (ì ì ë´Â/ 300m), Sangnasan (ìÂÂë¼ì°/ 227m). It is within the administrative boundaries of Sinan County, Jeollanam-do, South Korea since 1969. The island's 19.7 km<sup>2</sup> are home to about 3,133 people.