Save 20%: Ponza Island Day Trip from Rome by Viator Save 20%: Ponza Island Day Trip from Rome by Viator – Save 20%: Ponza Island Day Trip from Rome. Deal Start Date: 12/19/2014 Deal Expires: 12/31/2014 Last Updated: Fri, 19 Dec 2014 10:34:52 GMT Keywords: Other Deals Like Save 20%: Ponza Island Day Trip from Rome by Viator: