Pepe's Mexican Restaurant & Cantina 634 S Weber Rd, Romeoville, IL60446 Pepe's Mexican Restaurant & Cantina has a host of value priced Mexican menu items and a large selection of alcoholic…More beverages. One section of Pepe's is a full-service restaurant while the other half is a full-service bar. Pepe's buffet specials are available to customers Monday through Friday from 11am to 3pm. The piñatas hanging from the ceiling and Mexican blankets covering the seats add to the ambiance of the restaurant. For an authentic Mexican-style dining experience in a friendly and fun atmosphere, visit Pepe's and enjoy half off margaritas on Tuesdays and Thursdays.