The Blackstone Hotel is locate on the corner of Michigan Avenue and Balbo Street in the Michigan Boulevard Historic District in the Loop community area of Chicago, Illinois. This 290 feet (88 m) 21-story hotel was built from 1908 to 1910 and designed by Marshall and Fox. On May 29, 1998, the Blackstone Hotel was designated as a Chicago Landmark. The hotel was added to the National Register of Historic Places on May 8, 1986. It is also a historic district contributing property for the Chicago Landmark Historic Michigan Boulevard District.