In this subchapter, "beach" means state-owned beaches to which the public has the right of ingress and egress bordering on the seaward shore of the Gulf of Mexico or any larger area extending from the line of mean low tide to the line of vegetation bordering on the Gulf of Mexico if the public has acquired a right of use or easement to or over the area by prescription, dedication, or has retained a right by virtue of continuous right in the public.
Tex. Nat. Res. Code § 61.012