Stillwater State Hospital is a psychiatric hospital located in Cincinnati, Ohio.
In Postcards from the Edge, Bonnie cast a locator spell and discovered that Rayna Cruz is located in this hospital. Nora, Mary Louise and her went to see Rayna. Nora compelled a nurse to tell them that Rayna's in the North Wing, in room 658. They went there an saw an old woman, on the verge of dying. Convinced it's not her, they leave Bonnie alone with her. Rayna revealed to Bonnie and attacked her. Enzo arrived just in time to save her and threw a knife into Rayna. Later, while Bonnie went to meet with Nora and Mary Louise, Enzo took Rayna's body.