Occoquan Merchants Association P.O. Box 664, Occoquan, VA22125 Occoquan Merchants Association is a community organization working to develop and assist small businesses in the area as…More well as nonprofits. The association and town have more than 100 specialty shops and businesses including antique stores, art galleries with work from local artists, bookstores, fashion stores, wine shops, food shops and restaurants. The association also offers walking tours of the town, including through historic and "haunted" areas of Occoquan. Check the website for a schedule of events going on in town or for details on tours.