Principal photography began in Boston , in September 2016 . The film originally premiered at the Gala Presentations section at the Toronto International Film Festival on September 10 , 2017 , and was released in the United States on April 6 , 2018 , by Entertainment Studios . It received generally positive reviews from critics , with praise for its balanced screenplay and Clarke 's performance
Toronto International Film Festival
2017 Toronto International Film Festival
Chappaquiddick (film)