Long Island is well known for its production of alcoholic beverages. Eastern Long Island is a significant producer of wine. Vineyards are most heavily concentrated on Long Island's North Fork, which contains 38 wineries. Most of these contain tasting rooms, which are popular attractions for visitors from across the New York metropolitan area. Long Island has also become a producer of diverse craft beers, with 15 microbreweries across Nassau and Suffolk counties . The largest of these is Blue Point Brewing Company, best known for its toasted lager. Long Island is also globally known for its signature cocktail, the Long Island Iced Tea, which was purportedly invented at the popular Babylon Town Oak Beach Inn nightclub in the 1970s.