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1900s (20th Century) Maps of Islandia, Islip

Explore 16 historic maps of Islandia from the 1900s (20th Century). These maps offer a rare glimpse into what life looked like during the 1900s — showing old roads, neighborhoods, homes, and landmarks that have changed or disappeared over time.

Whether you're researching your family's past, planning a metal detecting trip, or studying how Islandia's landscape evolved across the 1900s, these high-resolution maps are a powerful tool for exploring the history of this region.

  • Focus on a specific era: All maps on this page are from the 1900s, giving you a focused view of this time period.
  • See what’s changed: Compare century-old streets, trails, and buildings to today's modern landscape using overlays and satellite layers.
  • Research with precision: Use these maps for genealogy, historical research, land use analysis, or educational projects.
  • View, download, or print: Maps are fully viewable online in high resolution, and can be downloaded or printed for your own records.

Start exploring Islandia's history through authentic maps from the 1900s. This is your window into the past.

Islandia, Islip maps

(16)
  1. 1902 Map of Setauket, 1959 Print
    1902 Map of Setauket, 1959 Print
    1902 Setauket
    1959 Print · USGS
    Suffolk County’s north and south shores are captured here at the start of the twentieth century. Researchers can trace the Port Jefferson Branch rail lines, the grounds of the State Hospital, and the early layout of Setauket and Bohemia.
  4. 1904 Map of Setauket
    1904 Map of Setauket
    1904 Setauket
    1904 Print · USGS
    Suffolk County at the start of the century shows a North Shore landscape of maritime villages and inland rail depots. Genealogists can trace family names and institutions from Stony Brook to the State Hospital For The Insane and Patchogue.
    7 unique versions available
  7. 1904 Map of Islip
    1904 Map of Islip
    1904 Islip
    1904 Print · USGS
    Suffolk County at the start of the century reveals a landscape defined by deep north-shore harbors and the expansive Great South Bay. Genealogists and local historians can trace early rail lines through Kings Park and Stony Brook, or locate the sprawling State Hospital and St. Dominic Convent.
    5 unique versions available
  10. 1919 Map of Setauket
    1919 Map of Setauket
    1919 Setauket
    1919 Print · USGS
    Long Island's north and south shores meet in this post-war tactical survey, documenting the transition from maritime villages to rail-linked townships. Genealogists and researchers can trace early century landmarks like the State Hospital for the Insane and the original Setauket Sta.
  13. 1942 Map of Islip, 1943 Print
    1942 Map of Islip, 1943 Print
    1942 Islip
    1943 Print · USGS
    Central Suffolk County is shown during the early years of the war, as the automobile began to reshape the distance between historic North Shore harbors and the South Shore bays. Researchers can trace the path of the Long Island Motor Parkway, locate family plots at Pinelawn Cem, and identify coastal landmarks like Eaton Neck L H.
  16. 1947 Map of Central Islip
    1947 Map of Central Islip
    1947 Central Islip
    1947 Print · USGS
    Suffolk County is captured in the mid-1940s as institutional grounds and early aviation hubs began to reshape the Long Island interior. Researchers can trace the sprawling grounds of the Central Islip State Hospital and the early layout of Islip Airport.
  19. 1949 Map of New York, 1951 Print
    1949 Map of New York, 1951 Print
    1949 New York
    1951 Print · USGS
    Long Island and its surrounding waters are documented here in the late 1940s, just as the postwar suburban boom began to transform the region. Genealogists and historians can trace the early layouts of Idlewild Airport, Mitchell Field, and the established routes of the Long Island RR.
  22. 1954 Map of New York
    1954 Map of New York
    1954 New York
    1954 Print · USGS
    Long Island and the New York metropolitan area are shown during the height of post-war suburbanization. Genealogists and historians can trace the growth of Levittown, the infrastructure of the Long Island Rail Road, and landmarks like Mitchel Afb.
    2 unique versions available
  25. 1956 Map of Central Islip, 1957 Print
    1956 Map of Central Islip, 1957 Print
    1956 Central Islip
    1957 Print · USGS
    Mid-century Suffolk County is captured here during a period of massive suburban expansion along the central Island. Researchers can trace the massive footprints of the Central Islip State Hospital, locate family plots in Calvary Cem, or follow the early routes of the Long Island Motor Parkway.
    2 unique versions available
  28. 1956 Map of Setauket, 1961 Print
    1956 Map of Setauket, 1961 Print
    1956 Setauket
    1961 Print · USGS
    Mid-century central Suffolk County is captured here during a period of significant suburban growth and institutional prominence. Researchers can trace the massive grounds of Central Islip State Hospital, locate the St James Cem, or explore the maritime layout of Port Jefferson.
  31. 1957 Map of New York, 1975 Print
    1957 Map of New York, 1975 Print
    1957 New York
    1975 Print · USGS
    Long Island and the New York metropolitan area are shown in this mid-century survey during a period of massive suburban growth and industrial expansion. Researchers can trace the Long Island RR network and locate landmarks like Fort Tilden or the Brookhaven National Laboratory.
  34. 1958 Map of New York
    1958 Map of New York
    1958 New York
    1958 Print · USGS
    Long Island at the height of its postwar expansion reveals a landscape of rapidly growing suburbs and critical military installations. Genealogists and historians can trace the early footprints of Levittown, the terminals of Idlewild Airport, and the grounds of Brookhaven National Laboratory.
    3 unique versions available
  37. 1960 Map of New York, 1979 Print
    1960 Map of New York, 1979 Print
    1960 New York
    1979 Print · USGS
    Long Island and the five boroughs are shown at a transformative moment mid-century as suburban expansion reshaped the landscape. Researchers can trace family roots through evolving neighborhoods from Rockville Centre to Sayville, or locate historic maritime landmarks like Eatons Neck and Montauk Point.
    2 unique versions available
  40. 1967 Map of Central Islip, 1970 Print
    1967 Map of Central Islip, 1970 Print
    1967 Central Islip
    1970 Print · USGS
    Central Islip and Smithtown are captured during a period of rapid suburbanization in the late sixties. Genealogists and historians can trace the sprawling Central Islip State Hospital, the grounds of St Patricks Cem, and the edges of Lake Ronkonkoma.
    4 unique versions available
  43. 1969 Map of New York
    1969 Map of New York
    1969 New York
    1969 Print · USGS
    Long Island and the New York harbor area are shown here during a peak era of suburban expansion and Cold War defense. Trace the growth of Levittown, the infrastructure of Idlewild NY International Airport, and the reach of the Long Island RR.
  46. 1984 Map of Long Island West, 1986 Print
    1984 Map of Long Island West, 1986 Print
    1984 Long Island West
    1986 Print · USGS
    Western Long Island in the mid-eighties shows a mature suburban landscape defined by its famous expressways and historic rail lines. Researchers can trace the development of planned communities like Levittown or locate landmarks such as Fort Totten Mil Res and Stony Brook.
    2 unique versions available
End of results
Showing maps 1-16 of 16

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