| Club | Stadium | City | Capacity |
|---|---|---|---|
| Chuncheon | Chuncheon Songam Sports Townopened 2009 | Chuncheon281,596 people | 20,000 |
| Changwon City | Changwon Football Centeropened 2009 | Changwon1,009,998 people | 15,500 |
| Mokpo City | Mokpo International Football Center | Mokpo214,701 people | 5,952 |
| Capacity not recorded yet | |||
| Busan Transportation | – | ||
| Daejeon Korail | – | ||
| Dangjin Citizen | – | ||
| Gangneung City | Gangneung HIGH1 ARENAopened 1984 | Gangneung206,780 people | – |
| Gyeongju HNP | – | ||
| Jeonbuk Motors II | – | ||
| Pocheon | Pocheon Stadiumopened 1990 | Pocheon163,388 people | – |
| Siheung Citizen | – | ||
| Ulsan Citizen | – | ||
| Yangpyeong | – | ||
| Yeoju Sejong | Yeoju Stadiumopened 1980 | Yeoju114,167 people | – |
Sources: Wikipedia (CC BY-SA 4.0), API-Football · Data sources