In front of the "Templo de las 7 Muñecas" towards the west there are three rooms with a double bay (4 to 9) and a simple one (10) all of them on minor platforms.
To the south there is another double room (3) and to the east a single room (2).
They were inhabited around 800 AD under the floor of the western rooms (5,6,7 and 9), offerings made of shell and other objects such as fish bones, manta ray tails, small pieces of stone were found green, gray obsidian and a large amount of semi-worked marine material, used in the manufacture of ornamental objects, in these rooms the Mayans experimented with spaces and dimensions; room 10 had 4 doors but they were later blocked to leave only a smaller one, rooms 5, 6 and 9 also have closed accesses