​Old Point Isabel
​Lighthouse

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Marker Text: ​The beacon for the commerce of the Rio Grande; Erected by the United States Government in 1852; Extinguished during the Civil War; Discontinued, 1888-1895; Permanently discontinued, 1905. (1936)

Marker No: 3780

1936 Gray Granite Cenntenial

National Register of Historic Places

Geographic: 26.077795, -97.207718

Location: ​421 East Queen Isabella Blvd (SH 100), Port Isabel