The Intramuros Administration and Viva Manila organized last 14-15 October 2017 the Intramuros Open House. Iconic Intramuros landmarks Baluarte de San Diego, Casa Manila, and Fort Santiago were opened to the public for free, with a recorded 14,326 visitors who enjoyed the sites and activities. The breakdown are as follows: Fort Santiago: 8,071; Baluarte de San Diego: 3,266; and Casa Manila: 2,989; Foreign visitors: 2,626; and Domestic: 11,700.

Tourists, families, and visitors alike were treated to two days of garden parties, bike tours, and bazaars. Other activities during the two-day funfair included: a botanical photo/art walk in the morning; bike tours, courtesy of Bambike Ecotours in the afternoon; and open concerts in the evening at the Baluarte de San Diego. The Second Intramuros Open House was held simultaneously with the Design Week Philippines, organized by the Design Center of the Philippines.