Old Maps of Llanos Costa, Cabo Rojo for Metal Detecting
Plan your next treasure hunt with 32 historic maps of Llanos Costa. 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 Llanos Costa.
Llanos Costa, Cabo Rojo maps
(32)- 1935 Map of Puerto Real
1935 Puerto Real1935 Print · USGSCoastal Cabo Rojo during the mid-1930s reveals a landscape of salt flats, emerging rail lines, and rural schools. Researchers can trace the path of the American RR of Puerto Rico and locate local landmarks like Las Salinas and Escuela Santiago Negroni. - 1937 Map of San German
1937 San German1937 Print · USGSSan Germán and the surrounding valleys of southwestern Puerto Rico are captured here in the mid-1930s during a period of significant agricultural and educational growth. Researchers can trace ancestral connections through named estates like Hacienda Luisa, local landmarks such as the Polytechnic Institute, and the rail stops of the American Railroad of Puerto Rico. - 1937 Map of Puerto Real
1937 Puerto Real1937 Print · USGSCoastal Cabo Rojo in the mid-1930s reveals a landscape of salt flats and growing settlements along the Mona Passage. Researchers can trace dozens of early rural schools like Escuela Garfield and find family landmarks near Boqueron and the Cemeterio Delicias. - 1938 Map of Parguera
1938 Parguera1938 Print · USGSThe southwestern coast of Puerto Rico is mapped here in the late thirties, before the expansion of its coastal villages. Local historians can trace the early layout of Parguera, the footprint of the Escuela Ramon Baldorioty de Castro, and traditional sites like Salinas El Papayo.4 unique versions available - 1938 Map of Cabo Rojo
1938 Cabo Rojo1938 Print · USGSThe southwestern tip of Puerto Rico is captured here in the late 1930s, showing the salt-rich coastlines of Bahia Salinas and Bahia Sucia. Genealogists and historians can trace the rural life of the era through sites like Las Palmas and the Escuela Sebastian Pabon Alvarado.5 unique versions available - 1941 Map of San German
1941 San German1941 Print · USGSThe hills and valleys surrounding San Germán come alive in this early 1940s survey, showing the peak of the railroad era in southwest Puerto Rico. Researchers can trace the American Railroad of Porto Rico through a landscape of historic estates like Hacienda Beatriz Soledad and Hacienda Resolucion.5 unique versions available - 1941 Map of Puerto Real
1941 Puerto Real1941 Print · USGSCoastal life in southwestern Puerto Rico centered on the harbor at Puerto Real and the rail line at Cabo Rojo during the late thirties and early forties. Local historians can trace the American Railroad corridor and locate old landmarks like Cementerio Delicias and the salt works at Las Salinas.4 unique versions available - 1949 Map of Puerto Real SE
1949 Puerto Real SE1949 Print · USGSCabo Rojo’s southwestern coast is documented during the late 1940s, highlighting the rural barrios and coastal hydrology before modern development. Genealogists and historians can trace family locations near Cuatro Caminos, the salt flats of Salinas, and the shores of Laguna Rincón. - 1949 Map of Cabo Rojo NE
1949 Cabo Rojo NE1949 Print · USGSThe southwest coast of Puerto Rico is captured in the late 1940s, showing the intersection of salt production and rural life. Trace the early layout of Corozo or find the landmark Iglesia de Cristo Rey near the base of Lomas de Boquerón. - 1949 Map of Cabo Rojo NO
1949 Cabo Rojo NO1949 Print · USGSThe southwestern tip of Puerto Rico is revealed here in the late 1940s, highlighting the historic salt industry and coastal life. Researchers can trace the layout of Salinas Corozo and Salinas Candelaria or locate the Faro near Pta Jagüey. - 1949 Map of San German SO
1949 San German SO1949 Print · USGSSouthwestern Puerto Rico’s agricultural heartland is captured here in the late 1940s, centered on the historic Laguna Cartagena. Researchers can trace the path of the American Railroad of Porto Rico as it served rural estates like Hacienda Desengaño. - 1949 Map of Parguera NO
1949 Parguera NO1949 Print · USGSCoastal Lajas and Cabo Rojo appear here in the late 1940s, highlighting the traditional salt flats and rural landholdings of the southwest shore. Genealogists and historians can locate family landmarks like Rancho Cabassa or trace the geography of Salinas Pitajaya and Isla Guayacán. - 1957 Map of Cabo Rojo, 1959 Print
1957 Cabo Rojo1959 Print · USGSThe tip of southwestern Puerto Rico in the late fifties shows a coastal landscape dominated by salt production and maritime navigation. Genealogists and historians can trace local life through the Escuela Sebastián Pabón Alves and settlements like El Combate and Pole Ojea. - 1957 Map of Puerto Real, 1959 Print
1957 Puerto Real1959 Print · USGSThe Cabo Rojo coastline in the late fifties showcases a landscape of thriving coastal villages and traditional agriculture. Trace the old rail lines of the Ferrocarril and locate family landmarks like the Iglesia de Carmen or the Cementerio Delicias.2 unique versions available - 1957 Map of San German, 1959 Print
1957 San German1959 Print · USGSSan Germán and the surrounding agricultural valleys are captured in the late fifties, showing the transition from traditional rail to modern infrastructure. Researchers can trace historic sugar haciendas like Hacienda Julia or locate local landmarks like the Instituto Politécnico and Laguna Cartagena. - 1957 Map of Parguera, 1959 Print
1957 Parguera1959 Print · USGSThe Lajas coastline comes alive in the late fifties, showing the interplay between salt production and sea. Trace the shoreline of Bahía Fosforescente, locate the Escuela Ramón Baldorioty de Castro, and explore reefs like Arrecife Coral. - 1966 Map of Puerto Real, 1968 Print
1966 Puerto Real1968 Print · USGSCabo Rojo and the southwestern coast of Puerto Rico come alive in the 1960s, showing a landscape of traditional haciendas and emerging coastal retreats. Researchers can trace the Ferrocarril del Oeste rail line or locate family landmarks like Hacienda La Ratina and Betances.3 unique versions available - 1966 Map of Cabo Rojo, 1968 Print
1966 Cabo Rojo1968 Print · USGSThe southwestern tip of Puerto Rico appears here in the mid-1960s, showing the intersection of coastal salt works and maritime navigation. Researchers can trace the local community at El Combate and locate the iconic Faro near Bahia Sucia.2 unique versions available - 1966 Map of San German, 1969 Print
1966 San German1969 Print · USGSSan Germán and the surrounding Lajas Valley are captured here in the mid-sixties, showing a landscape defined by historic haciendas and rising urban centers. Genealogists and historians can trace family estates like Hacienda Resolución or locate local landmarks including the Cementerio de San Germán and Lajas Arriba.4 unique versions available - 1966 Map of Parguera, 1969 Print
1966 Parguera1969 Print · USGSCoastal Lajas and Cabo Rojo are captured in the 1960s just as marine research and conservation were being formalized. Historians can trace the development of Parguera and locate regional landmarks like the NIH Research Facility or the Bahía Fosforescente shoreline.2 unique versions available - 2013 Map of Cabo Rojo, 2013 Print
2013 Cabo Rojo2013 Print · USGSCovers Llanos Costa, including La Pitahaya, Urbanización Paseo Cofresí, and other nearby areas - 2013 Map of Puerto Real, 2013 Print
2013 Puerto Real2013 Print · USGSCovers Llanos Costa, including Cabo Rojo, Reparto Vista Verde, and other nearby areas - 2013 Map of San German, 2013 Print
2013 San German2013 Print · USGSCovers Llanos Costa, including San Germán, Lajas, and other nearby areas - 2013 Map of Parguera, 2013 Print
2013 Parguera2013 Print · USGSCovers Llanos Costa, including Villa Caribe, Lajas, and other nearby areas - 2018 Map of San German, 2018 Print
2018 San German2018 Print · USGSCovers Llanos Costa, including San Germán, Lajas, and other nearby areas
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