If you are traveling to Barbados with Canadian passport in most cases you do not need to obtain entry visa to Barbados at the consulate beforehand. The period of stay though may be limited by the laws of Barbados. You may check what is the allowed period of stay at the Barbados consulate in Canada. All other applicants should check information on Barbados visa requirements, procedure, application forms, fees and processing timings may be found here: http://barbados.visacenter.ca.