Dalkey Castle is a historic structure located in the coastal town of Dalkey, Ireland. Built in the 14th century, it served as a defensive fortification and a residence for local nobility. The castle features a unique blend of medieval architecture and offers insights into the region's history. Today, Dalkey Castle is a popular tourist attraction, providing guided tours that showcase its well-preserved interiors and artifacts. Visitors can learn about the castle's role in the Viking and Norman periods, as well as its significance in the development of the surrounding area.