Watercolor of the historic Port Isabel Lighthouse, built 1852, across the causeway from South Padre Island
Original Enjoy Gulf Coast watercolor illustration

Verified .

Located in Port Isabel on the mainland, a short drive across the Queen Isabella Causeway from South Padre Island. 1852 brick lighthouse, the only Texas Gulf Coast beacon open to the public. Climb 75 steps for panoramic views of South Padre Island, Laguna Madre, and the Gulf. Operated as a Texas Historical Commission State Historic Site.

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Updated 2026-10-15.