Banco de la Nación Has an ATM and changes traveler's checks.
Boutique del Libro Stocks a good selection of regional Patagonia books, maps, and a few English-language novels and guidebooks. It's on the 2nd floor of a mall next to the tourist information center.
Tourist Office Has helpful and efficient staff, and there’s usually an English or French speaker on duty. Check the libro de reclamos (complaint book) for traveler tips. There’s another helpful desk at the bus terminal (open 7am to 9pm in high season).
Argentina Vision The only tour agency in Puerto Madryn that handles visits to Estancia San Lorenzo and its penguin colony on Península Valdés.
Flamenco Tour Offerings range from the standard whale-watching and snorkeling trips to stargazing 4WD journeys along the coast (telescopes and bilingual instruction included).