The Boca Chica Jetty is a man-made structure that extends into the Gulf of Mexico from Boca Chica State Park. It serves as a breakwater, protecting the nearby shoreline from erosion and creating a calm area for swimming and fishing. The jetty is a popular spot for anglers, who can cast their lines from the rocks and try to catch a variety of fish species. It is also a great place to watch the sunset or simply enjoy the scenic views of the ocean. The Boca Chica Jetty is a peaceful and picturesque location within the state park.