The historic Clontarf Castle was originally built in 1172. Today it is a luxurious, unique and sumptuous hotel. Clontarf Castle lies just 2 miles from the city centre on the airport side of town. As such access is swift and simple. The hotel manages to achieve a fine balance between its medieval setting and the modern luxuries of a top 4* hotel. A magnificent high entrance hall adorned with tapestries greets you as you enter the castle lobby. More Info.