Corpus Christi (called Corpus by the locals) is Texas's largest coastal city and the gateway to Padre Island. While Corpus Christi isn't on the way to much of anything except itself (and the islands off its coast), it offers enough to fill a visit in its own right, or a multi-day trip from San Antonio, Austin, or Houston.
Ingleside is a city in San Patricio County in the state of Texas.
Port Aransas is a town in Texas, situated on the northern tip of Mustang Island on the Gulf of Mexico about 30 minutes drive north from Corpus Christi.
Rockport is a small city in the South Barrier Coast region of Texas, about 45 minutes north up the Gulf of Mexico coast from Corpus Christi. It's right between Copano Bay to the west, on the coast of Aransas Bay.
Fulton is a small town in Texas, about 45 minutes north of Corpus Christi along the Gulf of Mexico. It is along the coast of the Aranasa Bay, with the Gulf of Mexico about 5 miles out across the bay.
Port Lavaca is a city on the South Barrier Coast of Texas and is the county seat of Calhoun County.
Palacios is a small city located on Matagorda Bay in the Gulf Coast region of Texas, about 1.5-2.