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Old Maps of Sag Harbor, New York for Genealogy

Trace your family roots with 30 historic maps of Sag Harbor. These high-res maps reveal old neighborhoods, homesites, landmarks, and streets — helping you uncover where your ancestors lived and how the area evolved over time.

  • Explore historic neighborhoods: Identify where your relatives may have lived in the 1800s or 1900s.
  • Compare maps over time: Trace the changes in streets, buildings, and landmarks for multi-generational research.
  • Perfect for genealogy & ancestry research: Used by family historians and researchers to map out lineage and migration.

These maps are an incredible resource for exploring your personal connection to Sag Harbor's past.

Sag Harbor, NY maps

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  1. 1903 Map of Sag Harbor, 1961 Print
    1903 Map of Sag Harbor, 1961 Print
    1903 Sag Harbor
    1961 Print · USGS
    The South Fork of Long Island at the start of the century reveals a coastal landscape of rail-linked hamlets and active life-saving stations. Researchers can trace the early layout of the Shinnecock Indian Reservation and locate historic stops like Wainscott Sta along the Long Island Railroad.
  4. 1904 Map of Sag Harbor
    1904 Map of Sag Harbor
    1904 Sag Harbor
    1904 Print · USGS
    The South Fork of Long Island at the dawn of the 1900s reveals a maritime landscape of life-saving stations and rail-connected villages. Genealogists and historians can trace the early layout of Sag Harbor, the Montauk Division railroad stops, and the Shinnecock Indian Reservation.
    6 unique versions available
  7. 1904 Map of Shelter Island
    1904 Map of Shelter Island
    1904 Shelter Island
    1904 Print · USGS
    Eastern Long Island thrived at the dawn of the twentieth century as a premier maritime and rail destination. Trace the coastal growth of Sag Harbor and Greenport or locate family landmarks along the Long Island RR and at Orient Point.
    6 unique versions available
  10. 1946 Map of Sag Harbor
    1946 Map of Sag Harbor
    1946 Sag Harbor
    1946 Print · USGS
    The South Fork of Long Island at the end of the war years shows a landscape of coastal hamlets and large estates. Trace family names on rural lanes near Bridgehampton or locate early aviation landmarks like Hampton Airport and Easthampton Airport.
  13. 1947 Map of Greenport
    1947 Map of Greenport
    1947 Greenport
    1947 Print · USGS
    The maritime communities of eastern Long Island are captured here in the late 1940s, highlighting the intricate coastal geography of the Peconic Bays. Historians can trace the streets of Greenport or locate specific waterfront landmarks near Sag Harbor and Shelter Island Heights.
  16. 1947 Map of Hartford, 1955 Print
    1947 Map of Hartford, 1955 Print
    1947 Hartford
    1955 Print · USGS
    Southern New England and the Hudson Valley are shown in detail during the post-war expansion era. Genealogists and researchers can trace local landmarks from the State Capitol and Yale University to the Stratford Lighthouse and Woodlawn Cem.
    2 unique versions available
  19. 1948 Map of Hartford
    1948 Map of Hartford
    1948 Hartford
    1948 Print · USGS
    Southern New England is captured here in the late 1940s, showcasing a landscape of thriving industrial cities and developing parkways. Genealogists and historians can trace the rail networks of the New York New Haven and Hartford RR or locate coastal defense sites like Fort Terry and Camp Shanks.
    2 unique versions available
  22. 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.
  25. 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
  28. 1956 Map of Sag Harbor, 1958 Print
    1956 Map of Sag Harbor, 1958 Print
    1956 Sag Harbor
    1958 Print · USGS
    The South Fork of Long Island thrives as an agricultural and maritime hub in the mid-fifties, just before the era of intensive suburbanization. Researchers can trace the Long Island Railroad through Bridgehampton and locate local landmarks like Edgewood Cem and the Watermill Beach Club.
    2 unique versions available
  31. 1956 Map of Greenport, 1958 Print
    1956 Map of Greenport, 1958 Print
    1956 Greenport
    1958 Print · USGS
    The maritime villages of eastern Long Island are captured here in the mid-fifties, from the rail terminus at Greenport to the secluded coves of Shelter Island. Genealogists and historians can trace the grounds of Stirling Cem and Quaker Cem or locate the Long Beach Bar Lighthouse.
    3 unique versions available
  34. 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.
  37. 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
  40. 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
  43. 1961 Map of Hartford
    1961 Map of Hartford
    1961 Hartford
    1961 Print · USGS
    Southern New England and the Hudson Valley are shown here in the mid-fifties, capturing a landscape of booming coastal cities and interior hill towns. Researchers can trace the legacy of the New York New Haven and Hartford rail corridor and find strategic sites like Camp Shanks and Fort Michie.
  46. 1962 Map of Hartford, 1971 Print
    1962 Map of Hartford, 1971 Print
    1962 Hartford
    1971 Print · USGS
    Southern New England and the Hudson Valley are shown in the early sixties, as suburban growth reached into the foothills. Trace the path of the New York New Haven & Hartford RR and find landmarks like Camp Nathan Hale and Gillette Castle State Park.
    3 unique versions available
  49. 1965 Map of Hartford
    1965 Map of Hartford
    1965 Hartford
    1965 Print · USGS
    Southern New England and the Hudson Valley are shown here during the mid-sixties expansion of the Interstate era. Trace the path of the New York New Haven & Hartford RR or locate historic landmarks like West Point Military Reservation and the Merritt Parkway.
    2 unique versions available
  52. 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.
  55. 1983 Map of New Haven, 1985 Print
    1983 Map of New Haven, 1985 Print
    1983 New Haven
    1985 Print · USGS
    The Connecticut shoreline and eastern Long Island are documented here in the early eighties, from the streets of New Haven to the piers of New London. Genealogists and historians can trace the geography of maritime heritage and academia at Yale University and the U.S. Coast Guard Academy.
    2 unique versions available
  58. 1984 Map of Long Island East, 1985 Print
    1984 Map of Long Island East, 1985 Print
    1984 Long Island East
    1985 Print · USGS
    Eastern Long Island in the 1980s reveals a landscape of suburban growth and coastal preservation. Trace the mid-century development of Hampton Bays alongside Calverton National Cemetery and the Long Island Rail Road.
    3 unique versions available
  61. 2010 Map of Sag Harbor, 2010 Print
    2010 Map of Sag Harbor, 2010 Print
    2010 Sag Harbor
    2010 Print · USGS
    Covers Sag Harbor, including Southampton, East Hampton, and other nearby areas
  64. 2010 Map of Greenport, 2010 Print
    2010 Map of Greenport, 2010 Print
    2010 Greenport
    2010 Print · USGS
    Covers Sag Harbor, including Southampton, East Hampton, and other nearby areas
  67. 2013 Map of Greenport, 2013 Print
    2013 Map of Greenport, 2013 Print
    2013 Greenport
    2013 Print · USGS
    Covers Sag Harbor, including Southampton, East Hampton, and other nearby areas
  70. 2013 Map of Sag Harbor, 2013 Print
    2013 Map of Sag Harbor, 2013 Print
    2013 Sag Harbor
    2013 Print · USGS
    Covers Sag Harbor, including Southampton, East Hampton, and other nearby areas
  73. 2016 Map of Greenport, 2016 Print
    2016 Map of Greenport, 2016 Print
    2016 Greenport
    2016 Print · USGS
    Covers Sag Harbor, including Southampton, East Hampton, and other nearby areas
Showing maps 1-25 of 30

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Frequently asked questions

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