Visit King John’s Castle for a new perspective on the story of Limerick. King John’s Castle is a medieval fortification from the 12th century that overlooks the stunning River Shannon and Limerick City. Explore the ruins, which are still intact today, including the keep and battlements, as well as an exhibition about King John and his infamous years in office in Limerick. King John’s Castle is a 15 minute walk from both The Savoy and The George Hotel.