Port Vell is the perfect must see area if you are visiting with children. You will find here many families with kids enjoying the view and the sea side at any hour of the day.
There are many attractions for children both during the day and night. The activities you may choose from include: trampolines, playgrounds, sailing in small touristic boats, playing in the garden located next to the port or having fun at the Maramagnum shopping center (for additional information – Shopping in Barcelona).
In addition, children will also enjoy a visit in IMAX, Museu de Cera (Wax Museum) or the Aquarium of Barcelona (for additional information – Kids and Families in Aquarium Barcelona and Kids and Families in Barcelona).