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Old Maps of Morro Bay, California for Metal Detecting

Plan your next treasure hunt with 21 historic maps of Morro Bay. Find old homesites, ghost towns, trails, and gathering spots that may be lost to time — perfect for identifying promising metal detecting locations.

  • Locate forgotten sites: Uncover places like long-lost settlements, abandoned rail lines, or gathering spots.
  • Plan better hunts: Use map overlays combined with LiDAR or satellite views to narrow in on historically rich areas.
  • Made for detectorists: Thousands of hobbyists use these maps to discover relics, coins, and hidden history.

Use these historic maps to boost your research and find new opportunities beneath the surface of Morro Bay.

Morro Bay, CA maps

(21)
  1. 1897 Map of Cayucos
    1897 Map of Cayucos
    1897 Cayucos
    1897 Print · USGS
    The central California coast is captured here in the late 1890s, when ranching and maritime trade centered on the village of Cayucos. Trace early property lines across San Bernardo or locate landmarks like Morro Rock and Hollister Peak.
    5 unique versions available
  4. 1900 Map of San Luis
    1900 Map of San Luis
    1900 San Luis
    1900 Print · USGS
    Coastal California at the turn of the century shows a landscape where rail lines like the Pacific Coast Ry met the sea. Trace early industrial sites like the Asphalt Mines or follow the coast from Morro Rock to the pier at Port Harford.
    4 unique versions available
  7. 1937 Map of Cayucos
    1937 Map of Cayucos
    1937 Cayucos
    1937 Print · USGS
    The San Luis Obispo coastline appears here in the late 1930s, showcasing early coastal settlements and industrial sites. Researchers can locate the Standard Oil Co Estero Bay Tankage and Loading Station, the rural Banning Sch, and landmarks like Morro Rock.
  10. 1943 Map of Cayucos
    1943 Map of Cayucos
    1943 Cayucos
    1943 Print · USGS
    The Central Coast of California comes into focus during the early 1940s, showing the rural character of the shoreline and the Santa Lucia foothills. Genealogists and historians can trace old school districts like Banning Sch and Mountain View Sch alongside landmarks like Morro Rock.
    2 unique versions available
  13. 1947 Map of San Luis Obispo, 1948 Print
    1947 Map of San Luis Obispo, 1948 Print
    1947 San Luis Obispo
    1948 Print · USGS
    Coastal California at the dawn of the Cold War reveals a landscape of massive military reservations and quiet seaside towns. Genealogists and researchers can trace the Southern Pacific rail line, old mining sites like Los Burros Mine, and local landmarks from Point Buchon to the Carrizo Plain.
  16. 1948 Map of San Luis Obispo
    1948 Map of San Luis Obispo
    1948 San Luis Obispo
    1948 Print · USGS
    Central Coast life in the late 1940s is centered on the Southern Pacific rail line and expanding military bases. Genealogists can trace early rural life through Union School and local operations like the Klau Mine or Buena Vista Mine.
  19. 1951 Map of Cayucos, 1953 Print
    1951 Map of Cayucos, 1953 Print
    1951 Cayucos
    1953 Print · USGS
    The Central Coast in the early fifties shows a landscape of fishing villages and emerging coastal suburbs. Trace family history at the Quintana Cem or locate former schoolhouses like Simeon Sch and Sunnyside Sch.
    5 unique versions available
  22. 1956 Map of San Luis Obispo, 1963 Print
    1956 Map of San Luis Obispo, 1963 Print
    1956 San Luis Obispo
    1963 Print · USGS
    Central California coastal and valley life unfolds in the mid-fifties, from the shoreline of Pismo Beach to the arid Carrizo Plain. Trace early travel routes along the Southern Pacific RR or locate family sites near the Templeton Cemetery and Paso Robles County Cemetery.
    5 unique versions available
  25. 1957 Map of San Luis Obispo
    1957 Map of San Luis Obispo
    1957 San Luis Obispo
    1957 Print · USGS
    Coastal California in the late fifties is defined by the steep Santa Lucia Range and the rail-connected hub of San Luis Obispo. Genealogists and researchers can trace rural life via Union School, the Southern Pacific line, and old sites like the Polar Star Mine.
  28. 1958 Map of San Luis Obispo
    1958 Map of San Luis Obispo
    1958 San Luis Obispo
    1958 Print · USGS
    The Central Coast in the late fifties reveals a landscape of ranching and early tourism before the massive expansion of the modern era. Trace the path of the Southern Pacific through Atascadero or locate family roots in coastal towns like Cayucos and Cambria.
  31. 1965 Map of Morro Bay South, 1966 Print
    1965 Map of Morro Bay South, 1966 Print
    1965 Morro Bay South
    1966 Print · USGS
    Coastal San Luis Obispo County is captured here in the mid-sixties as the residential communities of the Los Osos Valley expanded. Genealogists and historians can locate Quintana Cemetery, Sunnyside Sch, and the grounds of Camp San Luis Obispo Military Reservation.
    5 unique versions available
  34. 1965 Map of Cayucos, 1967 Print
    1965 Map of Cayucos, 1967 Print
    1965 Cayucos
    1967 Print · USGS
    Coastal San Luis Obispo County comes alive in the mid-sixties as the town of Cayucos expands near the newly established Whale Rock Reservoir. Trace family history at the Cayucos-Morro Bay District Cem or explore the rugged shoreline from Point Estero to China Harbor.
    3 unique versions available
  37. 1965 Map of Morro Bay North, 1968 Print
    1965 Map of Morro Bay North, 1968 Print
    1965 Morro Bay North
    1968 Print · USGS
    Coastal San Luis Obispo County is shown here during the mid-sixties, capturing the intersection of ranching heritage and modern utility. Trace the development of Whale Rock Reservoir and locate local landmarks like Fairview Sch and Del Mar Sch.
    2 unique versions available
  40. 1976 Map of Morro Bay South, 1979 Print
    1976 Map of Morro Bay South, 1979 Print
    1976 Morro Bay South
    1979 Print · USGS
    The Central California coast is captured in detail during the mid-seventies, showing the expansion of seaside communities around the estuary. Trace the development of Morro Bay and Los Osos or the iconic silhouette of Morro Rock.
  43. 1981 Map of San Luis Obispo
    1981 Map of San Luis Obispo
    1981 San Luis Obispo
    1981 Print · USGS
    The Central Coast comes alive in the early eighties as the Southern Pacific railroad connects growing coastal towns and rugged inland ranges. Researchers can trace land grants like Santa Manuela, locate Cem sites, and explore the footprint of California Polytechnic State University.
    3 unique versions available
  46. 1995 Map of Morro Bay North, 2000 Print
    1995 Map of Morro Bay North, 2000 Print
    1995 Morro Bay North
    2000 Print · USGS
    Central Coast life in the mid-nineties shows the town of Morro Bay nestled between the coastal range and Estero Bay. Researchers can trace the development of local schools and parks like Lila Keiser Park alongside the rugged terrain of Rusty Peak.
  49. 1998 Map of Morro Bay South, 2003 Print
    1998 Map of Morro Bay South, 2003 Print
    1998 Morro Bay South
    2003 Print · USGS
    The California coast near Morro Bay is captured here in the late twentieth century, showing a landscape defined by volcanic peaks and tidal estuaries. Researchers can trace local history through sites like Quintana Cemetery, Sunnyside Sch, and the residential growth of Baywood Park.
  52. 2021 Map of Morro Bay North, 2021 Print
    2021 Map of Morro Bay North, 2021 Print
    2021 Morro Bay North
    2021 Print · USGS
    Coastal development meets the California wilderness in this recent survey of the Morro Bay area. Researchers can trace the neighborhood expansion of Morro Bay or explore the rugged backcountry landmarks of the Los Padres National Forest and Rusty Peak.
  55. 2021 Map of Morro Bay South OE W, 2021 Print
    2021 Map of Morro Bay South OE W, 2021 Print
    2021 Morro Bay South OE W
    2021 Print · USGS
    The San Luis Obispo coast is documented here in the early twenty-first century, showing the preserved lands south of the bay. Researchers can trace the modern trail networks of Montana De Oro State Park past Point Buchon and Spooners Cove.
  58. 2021 Map of Cayucos, 2021 Print
    2021 Map of Cayucos, 2021 Print
    2021 Cayucos
    2021 Print · USGS
    The central California coast at Cayucos is shown in detail during the early twenty-first century, where steep ridges meet the sea. Local researchers can locate the Cayucos-Morro Bay District Cem and trace coastal landmarks like Cayucos Point and Black Rock.
  61. 2021 Map of Morro Bay South, 2021 Print
    2021 Map of Morro Bay South, 2021 Print
    2021 Morro Bay South
    2021 Print · USGS
    The coastal interface of San Luis Obispo County is captured here in the early 2020s, showcasing the intersection of residential growth and preserved shoreline. Local researchers can trace the modern boundaries of Baywood Park and Los Osos or locate the Quintana Cem near the slopes of Hollister Peak.
End of results
Showing maps 1-21 of 21

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