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Texas says 9 islands in Rio Grande belong to state, not Mexico

Victor Ramirez
Victor Ramirez
Victor Ramirez
Reporter · Austin, TX

Victor Ramirez has a passion for food journalism, reporting on Austin's vibrant culinary landscape for over 4 years. He holds a degree in Culinary Arts from Le Cordon Bleu and has contributed to local blogs and food magazines.

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Reporter · Wednesday, October 28, 2026 at 1:33 AM · 6 min read
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Aerial view of the Rio Grande with small islands, symbolizing Texas's claim

In a bold declaration that could reshape the landscape of the border, Texas has claimed ownership of nine islands nestled in the heart of the Rio Grande. This decision not only stirs the pot of international relations but also ignites a sense of local pride and identity. On Tuesday, the State of Texas officially declared that these nine islands, strategically located within the winding path of the Rio Grande, rightfully belong to Texas, not to Mexico, a move that has significant implications for border security, environmental conservation, and the very definition of sovereignty.

This assertive stance by the Lone Star State comes after months of careful deliberation and legal review, culminating in a formal announcement that has reverberated from the state capital in Austin to the dusty banks of the Rio Grande. The declaration underscores Texas's unwavering commitment to securing its borders and asserting its territorial integrity, a principle deeply held by families and communities across the state.

A Claim Rooted in History and Law

The genesis of this declaration lies in the complex history of the U.S.-Mexico border, particularly the 1848 Treaty of Guadalupe Hidalgo, which established the Rio Grande as the international boundary. However, the river's dynamic nature, with its shifting course and sediment deposits, has historically led to the formation of islands and changes in land ownership. This natural evolution has often created ambiguities that require careful interpretation and, at times, firm declarations.

Further complicating matters is the 1970 Boundary Treaty between the United States and Mexico, which aimed to resolve lingering disputes over river boundary changes. Despite these agreements, the specific status of these nine islands has remained a point of contention, prompting Texas to take decisive action to clarify their sovereignty. Governor Greg Abbott, a staunch advocate for border security, has been at the forefront of this initiative, emphasizing the state's right to protect its territory and its people.

Texas Land Commissioner Dawn Buckingham, whose office oversees state lands, has been instrumental in the legal and logistical aspects of this claim. Her team meticulously reviewed historical maps, hydrological data, and legal precedents to build a robust case for Texas ownership. This diligent work reflects the careful stewardship expected of public servants, ensuring that the state's assets are properly managed and defended for future generations.

The Governor's Stance and International Response

Governor Greg Abbott formally announced the state's claim on October 24, 2023, during a press conference held near the border. He stated unequivocally, "These nine islands are Texas soil, and we will treat them as such. This is about securing our border and protecting our sovereignty." The Governor's declaration was not merely symbolic; it was accompanied by a clear directive to state agencies to assert control over these territories.

The immediate response from Mexico was one of diplomatic concern. Mexico's Secretary of Foreign Relations, Alicia Bárcena, issued a statement expressing a desire for dialogue and adherence to international treaties. "Mexico is committed to resolving border issues through diplomatic channels and in accordance with the 1970 Boundary Treaty," Bárcena stated, signaling a potential for bilateral discussions rather than immediate confrontation.

U.S. Secretary of State Antony Blinken also weighed in, acknowledging the complexity of border demarcation. "We are aware of Texas's declaration and are monitoring the situation closely," Blinken said, emphasizing the federal government's role in international relations. "We encourage all parties to engage in constructive dialogue to ensure the stability and security of our shared border." This nuanced response highlights the delicate balance between state actions and federal foreign policy.

Impact on Border Security and Local Communities

The most immediate and tangible impact of Texas's declaration is on border security. The islands, previously ambiguous in their status, have often been exploited by cartels and human traffickers as staging grounds for illicit activities. By asserting ownership, Texas aims to close these gaps in border enforcement. The Texas Department of Public Safety and the Texas Military Department are now authorized to patrol and monitor these islands, enhancing the state's ability to deter illegal crossings and smuggling operations.

To bolster these efforts, the state has allocated an additional $25 million in funding for border security initiatives, specifically targeting infrastructure and personnel on and around these newly claimed islands. This investment reflects a deep commitment to the safety and well-being of border communities, where families often bear the brunt of illegal activities. Local residents, who have long advocated for stronger border controls, view this as a positive step towards restoring order and peace of mind.

Community Voices and Economic Prospects

For the communities along the Rio Grande, this decision carries profound significance. "These islands are part of our home, and it's time they were recognized as such," remarked Maria Rodriguez, a long-time resident of Eagle Pass. Her sentiment echoes a widespread feeling of local pride and a desire for clarity. The islands, often seen as hidden gems, could become a focal point for local tourism and conservation efforts, offering new economic opportunities for families in the region.

The Texas Parks and Wildlife Department is already exploring options for ecological assessments and potential conservation projects on the islands. Protecting the unique flora and fauna of the Rio Grande ecosystem is a shared value, and responsible development could create jobs and attract visitors who appreciate the natural beauty of Texas. Such initiatives can strengthen the fabric of communities, providing stable livelihoods and fostering a sense of shared purpose.

Local chambers of commerce, such as the Austin Chamber of Commerce (representing the capital city where these decisions are made) and those closer to the border, are keenly observing the potential for increased economic activity. From ecotourism to enhanced trade security, the clarified status of these islands could unlock new avenues for growth, benefiting families and small businesses alike. This is a testament to the resilient spirit of Texans, always seeking opportunity even in challenging circumstances.

Looking Ahead: Diplomacy and Development

The path forward will undoubtedly involve continued diplomatic engagement between the U.S. and Mexico. While Texas has asserted its claim, the federal government remains the primary arbiter of international relations. The U.S. Department of State will likely facilitate discussions to ensure that the declaration does not unduly strain bilateral relations, which are crucial for trade, security, and cultural exchange.

Meanwhile, Texas is moving ahead with plans to integrate the islands fully into its territorial management. This includes mapping, environmental assessments, and the establishment of appropriate signage and infrastructure. The Texas General Land Office will play a central role in this process, ensuring that the land is managed responsibly and in accordance with state laws.

The declaration also serves as a powerful symbol of Texas's commitment to self-determination and the protection of its heritage. For many Texans, this is not just about land; it's about identity and the enduring spirit of a state that values its independence and the well-being of its citizens. As the sun sets over the Rio Grande, casting a golden hue on the newly claimed islands, residents look toward a future where these lands could foster unity and growth for both sides of the river, built on respect for law and a shared appreciation for the land.

This bold move by Texas reflects a deep-seated desire to uphold the rule of law and protect the sanctity of our borders, ensuring that our communities remain safe and prosperous. It is a reminder that strong governance, coupled with the unwavering spirit of its people, can navigate complex challenges and secure a brighter future for generations to come. The Longhorn Current will continue to monitor developments closely, providing updates on this significant unfolding story.

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