Explore Sebastian, Texas, with this interactive street and satellite map. You can “grab” the Sebastian, TX street map and move it around to re-centre it. You can change between standard map view and satellite map view by clicking the small square in the bottom left-hand corner of the map. You can use the zoom buttons on the lower right side of the map to zoom in or out to street-level detail. You will find live weather, local and world news below.
This interactive map shows the street layout and satellite imagery for Sebastian, Texas. Use the Map and Satellite buttons above to switch between street map and aerial imagery views. Use the + and − buttons to zoom in or out, or scroll your mouse wheel while holding the Control key to zoom. On a touchscreen, use a two-finger pinch gesture to zoom in and out.
Click ⛶ Fullscreen to expand the map to fill your screen for a larger view. To return to the normal page view, press the Escape key on your keyboard, click the ✕ Exit Fullscreen button that appears above the map, or on a mobile device tap the back button (Android) or the close icon (iOS).
Drag the map to pan to any area of Texas or beyond. Switch to Satellite view to see high-resolution aerial photography of Sebastian and surrounding areas, including streets, buildings, parks and waterways.
| City | Sebastian |
| State | Texas (TX) |
| County | Willacy |
| Country | United States of America |
| Timezone | Central Time (America/Chicago) |
| Latitude | 26.342849 |
| Longitude | -97.790273 |
| Population | 1,021 |
| Density | 264.9 /km² |
| Incorporated | N/A |
| ZIP Code(s) | 78594 |
| Area Code | 830 |
| County Seat | Raymondville |
| School District | Lyford Consolidated Independent School District |
Sebastian is a locality in Willacy County, Texas, United States. It has a population of approximately 1,021. The population density is 264.9 people per km². Sebastian is located at 26.3428°N, 97.7903°W. It observes the Central Time (America/Chicago) timezone. ZIP code: 78594.
Sebastian spreads across the flat, sun-bleached expanse of the Rio Grande Valley, where the horizon stretches thin and taut under a sky that seems to press against the earth with a steady, golden weight. It lies 9.6 miles south of Raymondville, TX (from Raymondville, TX: bearing 183°T), and is situated 8.3 miles north-northwest of Primera. The landscape remains dominated by the stubborn resilience of scrub brush and vast, open fields that shimmer in the heat, punctuated only by the distant, hazy silhouette of Harmony Hill rising against the western sky. Three miles to the south, the North Floodway carves a quiet, artificial depression into the terrain, while the nearby waters of Santa Rosa Lake provide a modest, reflective stillness to the arid surroundings. Within the center of the local geography, the Sebastian Municipal Utility District Regional Sports Facility serves as a gathering point, its grass and open space offering a human-made contrast to the wilder, dusty plains that define the perimeter. Agriculture anchors the rhythm of Sebastian, where the cycle of planting and harvest dictates the tempo of the days and the character of the soil. The presence of the Willacy Canal, flowing six miles away, serves as a reminder of the engineering required to sustain life and industry in this inland stretch of South Texas. History here is written in the endurance of families who have worked this land through generations, cultivating a culture that balances the stark demands of the climate with a deep-seated, quiet hospitality. Life in Sebastian moves with an unpretentious grace, defined by the long, amber shadows of dusk that transform the fields into a canvas of copper and gray, and by the way the air cools just enough in the evening to allow the neighborhood to breathe again after the relentless intensity of the noon sun.
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This page provides an embedded street and satellite map of Sebastian, Texas — switch between views using the small square in the bottom left-hand corner of the map. Coordinates: 26.342849, -97.790273. Live weather conditions are sourced directly from the National Weather Service, with current observations and a 7-day forecast also powered by Open-Meteo. Real-time local news and world news feeds keep the page current, while a Wikipedia summary or an editorially written description provides background on Sebastian and Willacy County.
Detailed location data for Sebastian includes the ZIP code (78594), telephone area code (830), county seat of Willacy County (Raymondville), and school district assignment (Lyford Consolidated Independent School District). These are among the most commonly searched location details for any US city or town.
Location data is drawn from the USGS Geographic Names Information System (GNIS) and cross-verified against 2020 US Census records by coordinate proximity — ensuring the correct Sebastian is identified even where the name is shared across multiple counties or states. Population figures are sourced from the 2020 US Census.
| Page generated | August 2026 |
| Location data | SimpleMaps US Cities Database; coordinates matched to USGS GNIS definitive data |
| Wikipedia validation | Article content matched to USGS GNIS coordinates via Wikipedia geosearch API. Location verified by proximity — not name matching alone. |