Land on Fernandina, the youngest and most pristine island in Galapagos where hundreds of marine iguanas, the largest colony in Galapagos, bask in the sun along the rugged shoreline. Observe sea lion harems and flightless cormorants and snorkel in Punta Vicenta Roca. A dry landing at Tagus Cove on the adjacent island of Isabela sees us hiking to a salt-water lagoon. Explore the Coves by Zodiac to find Galapagos penguins, boobies, pelicans and other seabirds. In Elizabeth Bay visit to a secluded cove lined with large red mangrove trees sheltering turtles, rays, and shore birds. Motor to the rocky islets known as “Las Marielas,” where a colony of nesting penguins, flightless cormorants and giant marine iguanas may be found. Observe penguins and shore birds, including great blue herons, along the beautiful rocky shores of Punta Moreno. Take a horseback ride to the rim of the Sierra Negra Volcano, traversing a lava field and stopping at a breeding center for giant land tortoises. Overnights are on the Beagle.