Irish Museum of Modern Art (IMMA)Contemporary art museum at the Royal Hospital Kilmainham, with extensive grounds, a formal garden, a maze and regular family events. The gardens are worth a visit on their own. Free under 18.
National Gallery of IrelandFree art museum with a Family Trail, children's activity packs including a self-guided tour for babies & toddlers. Highlights include Caravaggio's Taking of Christ and the Irish Impressionist rooms, with a good cafe for lunch.
National Museum of IrelandFree museum on Kildare Street with bog bodies, Viking treasures, Iron Age gold and the Ardagh Chalice. No booking required, and a good rainy-day option for families.
Natural History Museum (Dead Zoo)Victorian natural history museum, little changed since the 1880s, filled with taxidermied animals, whale skeletons and other specimens. Free to enter and a long-standing Dublin favourite with children.