We investigated vascular plants of Jindo Island in Jindo-gun, Jeollanam-do, Korea. A total of 22 field trips were carried out over the course of 48 days from May 2012 to October 2014. As a result, 782 taxa belong to 134 families, 437 genera, 704 species, 11 subspecies, 60 varieties and 7 forms were identified. These include the following: 2 taxa (Drosera peltata var. nipponica, Cleisostoma scolopendrifolium) of Endangered Wildlife Class II under the Act on Wildlife Protection and Management Law. 14 taxa of Korean endemic plants, 53 taxa of floristic regional indicator plants in the third to fifth degrees. In all, 73 taxa of naturalized plants were recorded with the naturalization rate of 9.3%.