Key Cannabis Dispensary

Key Cannabis Dispensary is a licensed adult-use and medical cannabis dispensary at 6700-6704 Highway N, O’Fallon, MO 63304, in St. Charles County. It holds an active license (#DIS000064) from the Missouri Division of Cannabis Regulation (DCR). Adult-use customers must be 21+ with a valid government ID. Medical purchases require a valid state medical cannabis card and ID. Call ahead or check the store’s menu for current hours, deals and stock.

See all dispensaries in O'Fallon, MO → Local guide, purchase limits, taxes and every licensed store in town.