21 Donald Sim Ave, Markham resides in the neighbourhood of Cornell. Nearby areas include Cornell, Markham Village, Sherwood-Amberglen, and Greensborough, and the city of Whitevale is also close by.

A good place to grab a bite is Druxy's Famous Deli. Venture a little further for a meal at one of Cornell neighbourhood's restaurants. If you love coffee, you're not too far from Tim Hortons located at 6565 Highway 7. Groceries can be found at Markham Fine Foods which is an 18-minute walk and you'll find Pharmasave only a 6 minute walk as well. 21 Donald Sim Ave, Markham is a 11-minute walk from great parks like Mint Leaf Park, Rouge National Urban Park and Wismer Park.

For those residents of 21 Donald Sim Ave, Markham without a car, you can get around rather easily. The closest transit stop is a BusStop (CORNELL PARK AV / WALKERVILLE RD) and is a short walk, but there is also a Subway stop, MCCOWAN STATION - PLATFORM, a 16-minute drive connecting you to the TTC. It also has (Bus) route 522 Markham Local nearby.