Coast at Lakeshore East, originally known as Lakeshore East Building 2-A, is a 46-story residential skyscraper in the Lakeshore East development in the Loop community area of downtown Chicago. The building is located at 345 East Wacker Drive. It is the eighth 21st century skyscraper at Lakeshore East. It is the first smoke-free residential building in Lakeshore East.