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