1900s (20th Century) Maps of Long Island, Maine
Explore 17 historic maps of Long Island 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 Long Island'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 Long Island's history through authentic maps from the 1900s. This is your window into the past.
Long Island, ME maps
(17)- 1914 Map of Casco Bay
1914 Casco Bay1914 Print · USGSCumberland County's coastline and islands are shown in 1914, featuring a landscape of active coastal defenses and bustling maritime travel. Researchers can locate prominent landmarks such as Fort Mc Kinley, the Portland Head Light, and various steamer stops like Eastern Landing. - 1916 Map of Casco Bay
1916 Casco Bay1916 Print · USGSCumberland County’s shoreline was a landscape of strategic military forts and busy steamboat landings in the years before the Great War. Genealogists and historians can trace coastal heritage through landmarks like Fort Williams, Pine Grove School, and the scattered piers of Falmouth Foreside.8 unique versions available - 1916 Map of Portland And Vicinity
1916 Portland And Vicinity1916 Print · USGSCoastal Maine at the start of the Great War reveals a landscape of heavy coastal fortifications and bustling rail terminals. Trace old neighborhood boundaries and family landmarks like Milliken Mills, Hillside Cemetery, and the Portland Head lighthouse. - 1918 Map of Portland And Vicinity, 1926 Print
1918 Portland And Vicinity1926 Print · USGSCoastal Maine at the height of the Great War reveals a landscape of harbor forts, railroad junctions, and seaside settlements. Genealogists and historians can trace family roots through labels for Evergreen Cemetery, Spurwink Church, and dozens of rural schoolhouses like Babb School. - 1941 Map of Casco Bay
1941 Casco Bay1941 Print · USGSCasco Bay and its vital harbor defenses are captured here just as the nation prepared for war. Military historians and genealogists can locate Fort McKinley and Fort Williams alongside local landmarks like Pine Grove Sch. - 1944 Map of Portland East
1944 Portland East1944 Print · USGSCasco Bay was a fortified maritime hub during the 1940s, balancing naval defense with thriving island communities. Researchers can trace coastal military history through Fort McKinley and Fort Gorges, or find family landmarks in Falmouth Foreside and Peak Island.2 unique versions available - 1944 Map of South Harpswell
1944 South Harpswell1944 Print · USGSThe Maine coast in the mid-1940s reveals a world defined by the tides and steamer travel across Mericoneag Sound. Trace family property or maritime history near South Harpswell, Bailey Island, or the remote Halfway Rock Lighthouse. - 1944 Map of Cape Elizabeth
1944 Cape Elizabeth1944 Print · USGSCumberland County’s shoreline at the height of the Second World War shows a coastal landscape balanced between maritime defense and local community life. Genealogists and historians can locate Fort Williams, the Cape Elizabeth Church, and family-named landmarks like McKenney Pt. - 1949 Map of Portland
1949 Portland1949 Print · USGSCoastal Maine and the New Hampshire interior are shown in detail during the late forties, from the bustling harbors to the lakeside villages. Researchers can trace historical rail networks like the Boston & Maine RR and locate coastal defenses such as Fort Preble.3 unique versions available - 1956 Map of Portland East, 1958 Print
1956 Portland East1958 Print · USGSCasco Bay and its island communities are captured here in the mid-fifties as coastal Maine's military and residential landscapes evolved. Researchers can trace historic harbor defenses at Fort McKinley and locate family landmarks from Waites Landing to the Pine Grove Sch.5 unique versions available - 1956 Map of South Harpswell, 1959 Print
1956 South Harpswell1959 Print · USGSThe islands and sounds of Casco Bay come alive in this mid-century survey of the Cumberland County coast. Genealogists and coastal historians can trace the landings and homesteads of South Harpswell or locate landmarks like Halfway Rock and the Observation Tower on Jewell Island.3 unique versions available - 1956 Map of Portland, 1963 Print
1956 Portland1963 Print · USGSSouthern Maine and eastern New Hampshire are captured here in the mid-fifties, during a time of major highway expansion and military growth. You can trace the path of the Maine Turnpike and locate landmarks like the Portsmouth Naval Shipyard and Sebago Lake.4 unique versions available - 1957 Map of Cape Elizabeth, 1958 Print
1957 Cape Elizabeth1958 Print · USGSCoastal Cumberland County comes into sharp focus during the late 1950s as residential growth meets maritime tradition along Casco Bay. Trace family sites near Delano Park, the strategic grounds of Fort Williams, and the rugged shoreline from Peabbles Point to Richmond Island.3 unique versions available - 1957 Map of Casco Bay, 1960 Print
1957 Casco Bay1960 Print · USGSThe Maine coast near Portland appears here in the late fifties, featuring a landscape defined by historic harbor defenses and island communities. Genealogists and historians can trace rail lines like the Grand Trunk or locate landmarks such as the Maine School for the Deaf and Fort Williams Military Res.3 unique versions available - 1959 Map of Portland
1959 Portland1959 Print · USGSThe Maine and New Hampshire coastlines meet in this mid-century portrait of maritime commerce and inland rail networks. Researchers can trace the legacy of coastal defense at Fort Williams and follow the historic path of the Maine Central RR through the White Mountain National Forest.2 unique versions available - 1963 Map of Portland
1963 Portland1963 Print · USGSCoastal Maine and New Hampshire thrived as maritime and industrial hubs during the mid-sixties, linked by a dense network of rail and river. Researchers can trace historic transit corridors like the Maine Central RR and locate key sites such as the Portsmouth Naval Shipyard or Pease Air Force Base.3 unique versions available - 1985 Map of Portland, 1986 Print
1985 Portland1986 Print · USGSThe Maine coast and Sebago Lake region are captured in the mid-1980s, showcasing the transition from traditional maritime centers to a modern transportation hub. Genealogists and historians can trace rail lines like the Grand Trunk RR and find local landmarks such as the U.S. Marine Hospital or Old Orchard Beach.2 unique versions available
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