The Marine Science Institute (University of Texas) in Port Aransas (TX) has a small, but interesting collection of marine science exhibits for those interesting in learning about the coastal habits of the region. The visitor center is open every day (but hours vary) and is free. They have several exhibits for younger children. There is also a pair of viewing binoculars aimed at the Lydia Ann Lighthouse. In addition, the center has a wonderful gift shop, filled with jewelry, artwork and educational items.