What is the largest barrier island in the world?

The largest barrier island in the world is Padre Island, located off the southern coast of Texas, USA. It stretches approximately 113 miles (182 kilometers) long and is known for its natural beauty, diverse ecosystems, and recreational opportunities. The island serves as a vital habitat for various wildlife species, including sea turtles and migratory birds. Padre Island National Seashore, established in 1962, protects much of the island's natural environment.