Artis Reit Residential Tower, or 300 Main, is a multi-family residential high-rise building Main Street in Winnipeg, Manitoba, Canada. At 42 stories it will be the tallest building in Manitoba. Located at the intersection of Portage and Main in downtown Winnipeg, the building is connected to the Winnipeg Skywalk system, as well as other assets owned by Artis REIT, including 330 Main and the Winnipeg Square parkade. On its first floor will be an Earls restaurant, moving from down the road near The Forks.