Map of seven-county study area including the South Texas barrier islands. | Download Scientific Diagram
![Trivia Challenge: The Longest Stretch of Undeveloped Barrier Island in the World · National Parks Conservation Association Trivia Challenge: The Longest Stretch of Undeveloped Barrier Island in the World · National Parks Conservation Association](https://npca.s3.amazonaws.com/images/9009/708dc21d-e45a-42e8-b03a-ad948b1173a8-banner.jpg?1445971570)
Trivia Challenge: The Longest Stretch of Undeveloped Barrier Island in the World · National Parks Conservation Association
![Padre Island is the longest undeveloped barrier island in the world, of course it's in Texas. - Picture of Padre Island National Seashore, Corpus Christi - Tripadvisor Padre Island is the longest undeveloped barrier island in the world, of course it's in Texas. - Picture of Padre Island National Seashore, Corpus Christi - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/0f/f6/3e/01/padre-island-is-the-longest.jpg)
Padre Island is the longest undeveloped barrier island in the world, of course it's in Texas. - Picture of Padre Island National Seashore, Corpus Christi - Tripadvisor
![Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex](https://rvingwithrex.com/wp-content/uploads/2020/02/South-Beach_7556.jpg)
Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex
![Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex](https://rvingwithrex.com/wp-content/uploads/2020/02/Padre-Island-National-Seashore_7520.jpg)
Padre Island National Seashore: World's Longest Stretch of Undeveloped Barrier Island - RVing with Rex
![Santa Rosa Island ~ The longest barrier island in Florida (55 miles). Great for boating, fishing, family fun ! - Picture of Tideline Sports Inc., Gulf Breeze - Tripadvisor Santa Rosa Island ~ The longest barrier island in Florida (55 miles). Great for boating, fishing, family fun ! - Picture of Tideline Sports Inc., Gulf Breeze - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/1b/5c/3c/a8/santa-rosa-island-the.jpg)
Santa Rosa Island ~ The longest barrier island in Florida (55 miles). Great for boating, fishing, family fun ! - Picture of Tideline Sports Inc., Gulf Breeze - Tripadvisor
![WORLDKINGS - Worldkings News - America Records Institute (AMRI) – Padre Island: World's longest barrier island - Worldkings - World Records Union WORLDKINGS - Worldkings News - America Records Institute (AMRI) – Padre Island: World's longest barrier island - Worldkings - World Records Union](https://worldkings.org/Userfiles/Upload/images/Padre%20Island246a.jpg)