Hyatt Regency Hotel – Plymouth Conference Room 4rth FL. 17 November 2018 Website Manager Loading Map.... Hyatt Regency Hotel – Plymouth Conference Room 4rth FL.One Avenue de Lafayette - BostonEvents 42.3535194 -71.0610034 Address One Avenue de Lafayette Boston Massachussetts 02111 United States Upcoming Events No events in this location Website ManagerHyatt Regency Hotel – Plymouth Conference Room 4rth FL.11.17.2018