Mokdong Baseball Stadium, Baseball stadium in Yangcheon District, South Korea.

Mokdong Baseball Stadium is a baseball ground inside the Mokdong Sports Complex in Yangcheon District, Seoul, completed on 14 November 1989. It seats 12,500 spectators and has almost no outfield stands: the Gyeongin Expressway runs directly behind the outfield fence, which is lined with a tall net to stop home-run balls from hitting cars, with the bullpen in between. The infield is dirt and the outfield long-pile artificial turf.

The facility was constructed in the late 1980s and began hosting baseball events shortly after its opening. It later became a regular home for a professional team in the Korean Baseball Organization.

The stadium's name comes from Mok-dong, the neighbourhood in Yangcheon District where it stands inside the Mokdong Sports Complex. The Nexen Heroes used the third-base dugout as their home side while visiting teams took the first-base side. Since 2016 it has hosted high-school and amateur tournaments such as the weekend leagues, and the Journeyman foreign-legion team plays its home games here.

Reach the stadium on foot from Exit 3 of Omokgyo Station on Seoul Subway Line 5, about a seven-minute walk. The Heroes used the third-base side and visitors the first-base side. There are roughly 600 parking spaces, and few restaurants or shops stand around the ground, so plan meals elsewhere.

The playing surface was upgraded to a specialized synthetic material designed specifically for baseball. This transformation made the field easier to maintain while providing better playing conditions for athletes.