Port Isabel stands as a central maritime hub at the southern tip of Texas, where the Brownsville Ship Channel and the Intracoastal Waterway intersect to shape the region's commercial character. The landscape is defined by a series of low-lying coastal elevations known as lomas, such as Loma del Islote and Loma de la Draga, which rise above the wetlands and tidal flats bordering South Bay. Across the water, the Queen Isabella Causeway serves as the vital artery connecting the mainland to the southern reaches of South Padre Island. This survey illustrates the intricate balance between modern infrastructure and the fragile geography of Brazos Island and Long Island, capturing the varied shoreline from the developed streets of the city to the pristine stretches of Boca Chica Beach and Del Mar Beach.
64 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1929 · La Coma
USGS Topo · 1:24,000
1929 · Palmito Hill
USGS Topo · 1:24,000
1929 · Point Isabel
USGS Topo · 1:24,000
1929 · Laguna Vista
USGS Topo · 1:24,000
1930 · Padre Island No. 1
USGS Topo · 1:24,000
1934 · Port Isabel
USGS Topo · 1:31,680
1934 · La Coma
USGS Topo · 1:31,680
1935 · Padre Island No 1
USGS Topo · 1:31,680
1936 · Palmito Hill
USGS Topo · 1:31,680
1936 · Laguna Vista
USGS Topo · 1:31,680