Killiney, Ireland offers 3 beaches perfect for sunbathing, surfing, swimming, and more. Killiney is known for Killiney Hill, Killiney Beach, and the historic Killiney Castle. The best time to visit Killiney, Ireland, is from June to August, with average air temperatures around 15-20°C (59-68°F) and sea temperatures around 14-16°C (57-61°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!
