Structure C-10 is the second of the three components that may be visited pertaining to the Nohoch Mul Group. It is located in the great plaza and consists of a low platform with rounded corners. The upper part consists of two rooms that were once covered by a vault. There are seven entrances to the first room while access to the second is only secured via the first room. The stairway in front was broken to accommodate Stela #20, one of the few stelae at Coba with something that may be viewed.