Welcome to the charming town of Sebastian, founded in 1909 in the Lone Star State of Texas. Nestled in the heart of the Rio Grande Valley, this quaint town is known for its rich history of farming and ranching. With a population of approximately 2,550 residents, Sebastian offers a peaceful retreat from the hustle and bustle of city life. Sister cities include San Benito in Texas and Valle Hermoso in Tamaulipas, Mexico.