The Holiday Inn Porto Gaia, an IHG Hotel, is located in Vila Nova de Gaia (Mafamude), a short drive from the Douro River and Dom Luís I Bridge. This upscale hotel offers a full-service spa with massages, body treatments, and facials, as well as complimentary Wi-Fi, concierge services, and babysitting (for a fee). Each of the 179 air-conditioned rooms features a minibar, LCD TV, pillowtop bed, and private bathroom with a rainfall showerhead. The hotel's restaurant, Friends Kitchen, serves Port...