Marble Alley is a new mixed-use development in Downtown Knoxville, Tennessee. Phase 1 is a 238-unit apartment complex called Marble Alley Lofts. Phase 2 is a retail and office complex currently in design and planning stages. Local LinksĀ Downtown Knoxville Marble Alley Lofts Knoxville Market Square Historic Downtown Walking Tour Three Rivers Ramblers Outdoor Knoxville // Urban Wilderness The Crown and Goose City of Knoxville Map