Canadians must present a passport to visit Saint Lucia, which must be valid for at least three months beyond the date of their expected departure from that country. Canadians must also be in possession of a return or onward airline ticket and proof of sufficient funds.
http://travel.gc.ca/destinations/saint-lucia?utm_source=saint-lucia&utm_medium=travel_en&utm_campaign=mailout_links&utm_content=2014-02-07%2010:54%20am