Currently only available for shipping in Ireland. If you are an international customer and interested to purchase, directly contact onlineboutique@adaremanor.com The Bushmills 2011 Causeway Sauternes Cask Single Malt is a limited edition rare cask finished, cask strength (56.3% ABV) and non chill-filtered Irish single malt that has been distilled, matured, finished and bottled at the world’s oldest licensed whiskey distillery.