This castle, on King’s Island in the heart of medieval Limerick City, overlooks the majestic River Shannon and offers wonderful views of Limerick City. Discover history at its best, magnificent views and life in Norman times. Explore 800 years of history brought to life in the imaginative historical exhibition, excavated pre-Norman houses, fortifications, siege mines and the battlement walks. King John, as Lord of Ireland, minted his own coins and the Royal moneyer would have struck the coins in the castle mint. Today you can receive your own special coin as a souvenir of your visit to the castle. The sights, scenes and sounds of the castle and its environs all combine to recreate the atmosphere of the era.