South Padre Island Adventure Park, located on South Padre Island, is nestled on the Gulf of Mexico, near Brownsville, at the southeastern-most tip of Texas. Because the island is only a half a mile wide, you can see beaches from nearly any vantage point on the island. There are ecological tours, dolphin sightings and peaceful walks along the sand. South Padre Island, TX is a choice destination for honeymooners, couples and families