Glenmorangie 18 Year Single Malt Scotch Whiskey 18-year-old Scotch whisky combines a perfect combination of youthful pep with some of the maturity and complexity that comes with time spent in oak. For these reasons, 18-year-old Scotch whiskies are among our favorite spirits in the world. Here you'll find 18-year-old blends, single malts, blended malts, and grain whiskies, all exuding their own fabulous variations thanks to terroir and the varying production techniques to be found in Scotland.