Tex. Local Government Code § 43.902: ANNEXATION, EXTRATERRITORIAL JURISDICTION, AND EMINENT DOMAIN ON INACCESSIBLE GULF ISLAND.

(a) Land on an island bordering the Gulf of Mexico that is not accessible by a public road or common carrier ferry facility may not be annexed by a municipality without the consent of the owners of the land.

(b) The extraterritorial jurisdiction of a municipality does not include land on the island unless the owners of the land consent.

(c) A municipality may not take property on the island through eminent domain.

Acts 1987, 70th Leg., ch. 149, Sec. 1, eff. Sept. 1, 1987.