The Main Plaza in Group C measures approximately and is bordered by the Acropolis on the north and west sides, twin pyramids on the east side and the South Pyramid on the south side. It is the largest plaza at Motul de San José, encompassing an area greater than . There are five stelae in the plaza commemorating Classic Period rulers, they have all been badly damaged by bushfires. On the west side of the plaza is a lower pyramid, measuring high, that has been damaged by looters. A badly eroded stela was found close to this pyramid, another stela was erected in front of the South Pyramid. All three of the principal pyramids in Group C still support the remains of their summit shrines, possibly even with parts of their roofs and roof combs. The construction of these remaining structures consists of the thin, flat stones associated with the Terminal Classic occupation of the site.