Preston Castle is known for being a site of reported paranormal activity, including disembodied voices, slamming doors, falling objects, intense fear, and cold spots, attributed to the spirits of former residents and staff, such as the housekeeper Anna Corbin, who was beaten to death there in 1950. The troubled history of the facility, which operated as a reform school known for abuse and neglect before closing in 1960, is believed to contribute to the presence of tormented spirits. Visitors and investigators have reported encountering the spirits of troubled juveniles and staff members who lived at the castle, adding to the disturbing atmosphere. The spirit of Anna Corbin, the head housekeeper who died in the basement, is a prominent figure in the legends, with her killer never being identified. People have reported a range of phenomena, including slamming doors, falling objects, disembodied voices, and ghostly physical contact. Visitors often mention a depressing and disturbing atmosphere, cold spots, and feelings of intense fear. Paranormal activity is frequently noted near the castle's plunge pool and in the basement.