Both the longest and the largest island in the contiguous United States, Long Island extends 118 miles eastward from New York Harbor to Montauk Point, with a maximum north-to-south distance of 23 milesbetween Long Island Sound and the Atlantic coast. Two of the New York City metropolitan area's three busiest airports, JFK International Airport and LaGuardia Airport, as well as two major air traffic control radar facilities, the New York TRACON and the New York ARTCC, are located on the Island. Nine bridges and 13 tunnels (including railroad tunnels) connect Brooklyn and Queens (and thus Long Island) to the three other boroughs of New York City
. Ferries connect Suffolk County northward across Long Island Sound to the state of Connecticut. In addition, the Long Island Railroad is the busiest commuter railroad in North America and operates 24/7.
Long Island has historically been a center for fishing and seafood. This legacy continues in the Blue Point oyster, a now ubiquitous variety that was originally harvested on the Great South Bay and was the favorite oyster of Queen Victoria. Clams are also a popular food and clam digging a popular recreational pursuit, with Manhattan clam chowder reputed to have Long Island origins.
Of land-based produce, Long Island duck has a history of national recognition since the 19th century, with four duck farms continuing to produce 2 million ducks a year as of 2016. Two symbols of Long Island's duck farming heritage are the Long Island Ducks minor-league baseball team and the Big Duck, a 1931 duck-shaped building that is a historic landmark and tourist attraction. In addition to Long Island's duck industry, Riverhead contains one of the largest buffalo farms on the East coast.
Long Island is well known for its production of alcoholic beverages. Eastern Long Island is a significant producer of wines. Vineyards are most heavily concentrated on Long Island's North Fork, which contains over 35 wineries. Most of these contain tasting rooms, which serve as popular tourist attractions for visitors from across the New York metropolitan area. Long Island has also become a producer of diverse craft beers, with more than 15 microbreweries existing across Nassau and Suffolk counties. Long Island is also globally known for its signature cocktail, the Long Island Iced Tea, which purportedly was invented at a popular Jones Beach nightclub in the 1970s.