299 Vaughan StPortsmouth, NH 03801 Phone: +1 603-427-0152Fax: +1 603-427-0153 Hotel Website Commission Rooms Rates - 156 $135-$210 (USD) Hoteliers! Is your information accurate? Update Here AC Hotel Portsmouth Downtown/Waterfront Location & Neighborhood Ideally located in the heart of downtown Portsmouth. - 48.900 MI from Manchester/Boston Rg airport. 43 MI from Manchester