This gallery explores the continued ceremonial importance of Culhuacán, which maintained its status as a major ritual center despite being a tributary town under the rule of Mexico-Tenochtitlan. It was regarded as a community of great influence among the city-states of the lake region. Notable pieces include the volcanic basalt sculpture of the goddess "Chicomecóatl" (Seven Serpent) and sculpted maize cobs, as well as clay offerings associated with festivals devoted to fertility, agriculture, and water deities.

Also on display are elements of daily and domestic life, particularly traditional crafts mastered by the people of Culhuacán, such as stone carving (lapidary), basketry, and "chinampa" (raised-bed) agriculture, along with salt extraction practices.