Castle Brands is a New Company created from merger of America's Great Spirits Company and Ireland's Roaring Water Bay Spirits Company.The merger will join Great Spirits, a producer, importer and marketer of premium brand spirits, with Roaring Water Bay Spirits, an Irish company that has enjoyed great success with its Boru Vodka and Clontarf Irish Whiskey. For the last three years, Great Spirits has been the US importer of Boru Vodka.