See all Attractions in Malahide Malahide for: Adventure, Food And Dining, Art And Culture, Nightlife, Spa, History, First Timers, Family, Romance, Shopping Malahide Castle Malahide Castle, Malahide, Co. Dublin, Ireland About Malahide Castle, parts of which date to the 12th century, lies, with over 260 acres (1.1 km2) of remaining estate parkland (the Malahide Demesne Regional Park), close to the village of Malahide, nine miles (14 km) north of Dublin in Ireland. Add to Wish List