Padre Island Free Dispersed Camping – Texas
We didn’t camp on Padre Island because there was no cell service (and we had to work), but we checked it out for a day. It was truly awesome. Extremely remote, isolated, and peaceful. There are no houses or amenities on the island, so be prepared to boondock. I don’t think you can camp for free. The entire island requires a permit (and national park entrance fees), however I assume the permit is cheap.