Featuring 10,000 square feet of elegant booths and showcases of fine antiques, mid-century furniture, and decorative accessories in the newly renovated historic Stone Building. In addition there is River Stone Arts, a spectacular 10,000-square-foot gallery of sculpture, paintings, and mixed media installations with new shows regularly. Hours 11:00am-6:00om Friday-Sunday. River Stone Arts: (917) 532-3090; River Stone Antiques: (845) 786-8600.