St. Vincent's Institution for the Insane was later renamed St. Vincent's Sanitarium.  It was also known as St. Vincent's Institution.  It was founded by the Sisters of Charity & was a Catholic hospital for the treatment of mental and nervous diseases opening in August 1858 at Ninth and Marion Streets in St. Louis. In 1891 the hospital relocated to St. Charles Rock Road in St. Louis County.  There it remained in existence until the 1980s at which time it became Castle Park Apartments at 1600 Castle Park.