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Sandia in Jim Wells County, Texas — The American South (West South Central)
 

Fort Casa Blanca, C.S.A.

(About 2 1/2 mi. NW)

 
 
Fort Casa Blanca, C.S.A. Marker image. Click for full size.
Photographed by Brian Anderson, October 11, 2025
1. Fort Casa Blanca, C.S.A. Marker
Inscription. First building erected in area that is now Jim Wells County, early as 1855. During the Civil War was on Confederate supply line that started in Corpus Christi, followed the Nueces here, went to Laredo, to Brownsville and back to Corpus Christi. When Federals were in Corpus Christi, Thomas Wright, the sutler, drove from here to other points.

Casa Blanca was supplied by small boats that outmaneuvered Federals on Nueces Bay, slipped into the Nueces River, and came up Penitos Creek. They hauled guns, ammunition, medicine, and other wartime goods and took out cotton, "Currency of the Confederate."

The fort had walls 28" to 36" thick. An escape tunnel from its well led to the creek. It's one entryway, wide enough for a 2-wheel cart or 2 horses abreast, was closed with a heavy cypress door. Cypress shutters covered its few small windows. Corner parapets and portholes at 3 heights gave it emplacements for defense. It not only warehoused goods, but also provided shelter and water for drivers passing with wagons along the Cotton Road from San Antonio to Matamoros. For cotton wagons it meant safety from bandit chases and from
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killing thirsts.

In the 20th century the fort has disappeared.
 
Erected 1965 by Texas State Historical Survey Committee. (Marker Number 1972.)
 
Topics. This historical marker is listed in these topic lists: Forts and CastlesWar, US Civil. A significant historical year for this entry is 1855.
 
Location. 28° 1.357′ N, 97° 52.762′ W. Marker is in Sandia, Texas, in Jim Wells County. It is at the intersection of State Highway 359 and County Road 364, on the right when traveling west on State Highway 359. Touch for map. Marker is in this post office area: Sandia TX 78383, United States of America. Touch for directions.

Regionally, this marker is in South Texas. It is also in the American South. Globally, it is in North America, a Gulf of Mexico state, the Western Hemisphere, the Western World, and the Anglosphere. Historically, it finds itself in what was once New Spain, the Republic of Texas, and one of the Confederate States of America.

Other nearby markers. At least 8 other markers are within 9 miles of this marker, measured as the crow flies: Fort Lipantitlan (approx. 4.8 miles away); a different marker also
Fort Casa Blanca, C.S.A. Marker image. Click for full size.
Photographed by Dave W, November 15, 2025
2. Fort Casa Blanca, C.S.A. Marker
Looking northeast along 359.
named Fort Lipantitlan (approx. 4.8 miles away); a different marker also named Fort Lipantitlan (approx. 5½ miles away); First Baptist Church of Mathis (approx. 5.6 miles away); Thomas Henry Mathis Ranch (approx. 6.7 miles away); Old Dougherty House (approx. 8 miles away); Saint Patrick's Catholic Church (approx. 8.1 miles away); Lagarto College (approx. 8.1 miles away).
 
Also see . . .  The History of Casa Blanca: A Settlement in Jim Wells County. The Handbook of Texas Online. Texas State Historical Association (TSHA) (Submitted on October 16, 2025, by Brian Anderson of New Albany, Ohio.) 
 
 
Credits. This page was last revised on December 14, 2025. It was originally submitted on October 16, 2025, by Brian Anderson of New Albany, Ohio. This page has been viewed 89 times since then and 27 times this year. Photos:   1. submitted on October 16, 2025, by Brian Anderson of New Albany, Ohio.   2. submitted on December 13, 2025, by Dave W of Co, Colorado.
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Jul. 22, 2026