Port Aransas is a working coastal ecosystem with marshes, dunes, and wetlands right alongside the sand. A short walk from most rentals puts you on a boardwalk over salt marsh or a paved path through the dunes, no long drive required. Here are some of our favorite ways to connect with Port Aransas nature. Discover Marshes, Dunes, and Wetlands Charlie’s Pasture, part of the larger Port Aransas Nature Preserve, is the anchor for most of the island’s boardwalk trails....