Keokuk, IA – Keokuk could spotlight vacant buildings in an effort to create new businesses and developments. Main Street Keokuk now has 10 large window signs that read Main Street Opportunity . They will be rotated throughout the empty downtown buildings. Executive Director, Joyce Glasscock, says an accompanying sign, complete with cost, size, and taxes, will allow building owners to sell their properties 24/7. Glasscock says the focus signs can be placed in a window for 2 months before they are rotated out. She says there are more than 40 vacant properties in downtown Keokuk.