I have sold a property at 9 Highcastle AVE in Georgina Posted on June 9, 2012 by Dan Brewer Posted in: Keswick North, Georgina Real Estate I have sold a property at 9 Highcastle AVE in Georgina. See details here Beautiful Premium Lot Backing Onto Treed Area And Over Looks Parks. Shingles 2010. Fully Fenced Yard. Hardwood Floors. Heat Exchanger Brand New On Furnace. No Sidewalks.