[9][7] In 2016 Sunstone completed a $100 million renovation of the hotel and received a Four Diamond Award from AAA.

[18] The Statler Hotel building was also home to the Northern Jurisdiction of the Scottish Rite from 1927 to 1968,[19] and radio station WEZE's broadcast studio from 1957 to 1977.

[22][23] In the late 1960s, the University of Massachusetts Boston leased part of the building and converted it into faculty and departmental office space.

[24] The building has also served as the venue for Anthro New England, a furry convention held in the Greater Boston area.

The hotel used to operate the Park Plaza Castle, a banquet facility located in the adjacent former Armory of the First Corps of Cadets building, listed on the National Register of Historic Places.