There are three conventions happening in Newfoundland in the next year.
Peninsula Fantasy Con 2011. September 17, 2011. Taking place in Marystown Hotel, Marystown Newfoundland. http://peninsulafantasycon.webs.com/
Sci-fi on the Rock VI. April 20 - 22, 2012. Hoilday Inn, St. John's Newfoundland. http://www.scifiontherock.com/
Newfoundland's West Coast Con. Sometime in August 2012. http://www.nlwcc.com/
The date and location have not been finalized for this con yet.
If you need anymore information let me know.