Expediciones Sierra Norte Discover the hidden gems of the Sierra Norte with the Pueblos Mancomunados. Explore forests, rivers, and waterfalls, and learn about the customs and traditions of the Zapotec people. EcoCasita Getaway at Playa Viva Experience sustainable luxury at Playa Viva's beachfront EcoCasita. Enjoy nature, yoga, and eco-friendly activities in a pristine setting.