55 Mercer Street has a Walk Score of 99 out of 100. This location is a Walker’s Paradise so daily errands do not require a car. 55 Mercer Street is a two minute walk from the 304 KING and the 504 KING at the KING ST WEST AT JOHN ST EAST SIDE stop. This location is in the Waterfront Communities-The Island neighborhood in Toronto. Nearby parks include Simcoe Park, Clarence Square and St. Patrick’s Square.