Longest barrier island

- Who
- Padre Island
- What
- 182 kilometre(s)
- Where
- United States (Padre Island,)
- When
- 01 January 0001
Barrier islands are narrow and run parallel to mainland coastlines and are formed by wave and current action. Padre Island in the Gulf of Mexico, off the Texas coastline, formed just a few thousand years ago and measures around 182 km (113 miles) long.