True ski in ski out means you click in at the door and ski back to it, not that a shuttle exists. Canadian purpose built villages mostly deliver the real thing, but listings stretch the term everywhere, especially in Whistler. Before booking, find the property on the trail map and confirm both directions: skiing out is common, skiing back in is what saves your legs at four in the afternoon.
Slopeside matters most in deep snow country, and that is the quiet argument for Fernie and Red Mountain on this list. When it has snowed thirty centimeters overnight, the people staying on the hill are riding untracked lines while everyone else scrapes a windshield. If powder is the reason you are coming to Canada, buy the slopeside bed at the snowiest hill you can afford rather than the fanciest village.
For families, the Okanagan trio is the easy answer. Big White, Silver Star and little Apex let kids ski to the door all week without a single car ride. Our United States ski in ski out ranking covers the equivalent picks south of the border, and the Canada guide handles flights, transfers and costs.