List of islands of South Korea

Following is a list of major islands of South Korea, the Republic of Korea, arranged by body of water and then by province, and not including most uninhabited islands and islets. For a list of islands of North Korea, the Democratic People's Republic of Korea, see: List of islands of North Korea.

List of islands by area

#	Name	Location	Area (km²)
1	Jejudo	Jeju Province	1833.162
2	Geojedo	Geoje	379.233
3	Jindo	Jindo County	374.981
4	Ganghwado	Ganghwa County	302.582
5	Namhaedo	Namhae County	300.935
6	Anmyeondo	Taean County	113.460
7	Yeongjongdo	Jung District, Incheon	97.480
8	Wando	Wando County	90.074
9	Ulleungdo	Ulleung County	72.861
10	Dolsando	Yeosu	70.307
11	Geogeumdo	Goheung County	64.765
12	Jido	Sinan County	54.703
13	Changseondo	Namhae County	54.127
14	Jaeundo	Sinan County	52.193
15	Baengnyeongdo	Ongjin County	51.086
16	Aphaedo	Sinan County	49.232
17	Anjwado	Sinan County	48.923
18	Kyodongdo	Ganghwa County	47.141
19	Biguemdo	Sinan County	46.249
20	Gogeumdo	Wando County	45.558
21	Dochodo	Sinan County	43.398
22	Seokmodo	Ganghwa County	42.344
23	Imjado	Sinan County	40.049
24	Amteado	Sinan County	37.251
25	Cheongsando	Wando County	32.963
26	Bogildo	Wando County	32.142
27	Sinuido	Sinan County	31.668
28	Sinjido	Wando County	30.832
29	Joyakdo	Wando County	28.701
30	Geumodo	Yeosu	27.508