Believed to be Caol Ila, the whisky is bottled at a cask strength of 58%. Finlaggan is an Islay mystery malt named for the most historically significant site on Islay. Loch (lake) Finlaggan--named after St. Findulgan who is believed to have brought Christianity to Islay--and its islands were the political and social capital of the Lord's of the Isles, who ruled the Western Isles of Scotland for over 400 years. Finlaggan Cask Strength is put together by the Vintage Malt Whisky Company, whom are also responsible for the Cooper's Choice and Ileach lineup. It is bottled at a batch strength of 58% ABV.