Gosihaejeong is a sundae restaurant in Heungdeok-dong, Yongin. Its gosi sundae guk contains crushed gosari as a topping, and the broth is thick and rich, served with sundae and lean meat. The dining area is large and clean, and there is ample parking. After a meal, you can get coffee or ice cream on the first floor, and the broth is on the salty side.