Big Holiday Show at the Portsmouth Arts Guild this Saturday. Visit the Portsmouth Arts Guild; enjoy the atmosphere, chat among friends and take home a special holiday gift selected for a loved one. November 15th from 12:00 PM to 4:00 PM, 2679 East Main Road, Portsmouth, RI, 02871. (401) 215-0122. Join the fun, meet and greet. A big shout out to our sponsors, Clements Marketplace, Graham Gallery, Greenvale Vineyard and Prudence Island Quilters Guild. The Online Gallery will be posted soon.