Merchandise Mart is a building in Chicago, Illinois. Merchandise Mart may also refer to: Merchandise Mart station, a station on the Chicago Transit Authority's 'L' system Merchandise Mart Annex, also known as 350 West Mart Center in Chicago New York Merchandise Mart, a building in New York City AmericasMart, also known as the Atlanta Merchandise Mart K's Merchandise Mart, a catalog showroom department store based in Decatur, Illinois