[1] As of 2022, Long Island had a gross domestic product of $495 billion or around 20% of New York metropolitan area.
Long Island is home to the luxury communities of the Hamptons, Cold Spring Harbor, Dix Hills, Huntington Bay, and Lloyd Harbor in Suffolk County, and Hewlett Bay Park, Cove Neck, Oyster Bay Cove, Laurel Hollow, Sands Point, Roslyn, Brookville, Old Brookville, Upper Brookville, Lattingtown, Matinecock, Muttontown, Hewlett Harbor, Garden City, Stewart Manor, and Manhasset in Nassau County.
Prominent WW-II Grumman aircraft included the F4F Wildcat and F6F Hellcat fighters, and the TBF Avenger torpedo bomber.
In their early decades, aerospace-related companies were concentrated on Long Island, especially in eastern Nassau County in the Bethpage area.
Long island is home to major divisions of the aircraft systems manufacturer, B/E Aerospace.
It was once the home of the Grumman Aircraft factories where all the Apollo program Lunar Module spacecraft were built; and it still is the home of the Brookhaven National Laboratories in nuclear physics and United States Department of Energy research, as well as physics and astrophysics research projects at Stony Brook University.
Long Island was home to the first Trans-Atlantic radio broadcast, from Rocky Point, New York to Paris, France.
East End farms and farmers' markets are the major providers of Long Island's remaining supplies of locally grown fruits, berries, vegetables, poultry, and dairy products.
In little over quarter of a century the Long Island wine industry has grown from one vineyard to 3,000 acres (12 km2) of vines in thirty wineries.
The island's maritime climate, geography and soil characteristics provide good winegrowing conditions.
[citation needed] The North fork on the east end of Suffolk County is known for its fishing villages, tourist towns, ferries to Connecticut and its neighbors, and for the area's wineries.
The South fork has similar tourist attractions including golf, equestrian, boating, surfing, and fine dining in the Hamptons and Montauk.
[9] Since World War II, Long Island has become increasingly suburban and, in some areas, fully urbanized.
Ferries connect Suffolk County northward across Long Island Sound to the state of Connecticut.
The Long Island Rail Road is the busiest commuter railroad in North America and operates continually.
[10] Nassau County high school students often feature prominently as winners of the International Science and Engineering Fair and similar STEM-based academic awards.
[11] Biotechnology companies and scientific research play a significant role in Long Island's economy,[12] including research facilities at Brookhaven National Laboratory, Cold Spring Harbor Laboratory, Stony Brook University, New York Institute of Technology, Plum Island Animal Disease Center, the New York University Tandon School of Engineering, the City University of New York, and Hofstra Northwell School of Medicine.