Sail for Sombrero Chino (Chinese Hat), named for its volcanic rock shape. View Galapagos wildlife and birds, specifically American oystercatchers, Galapagos penguins, and Sally-Lightfoot crabs as they skirt across the rocks.
In the afternoon, sail for Fernandina. This island was never invaded by foreign animal species, making it one of the most pristine eco-systems in the world. Take a short hike to the Flightless Cormorant nesting site and view the volcano La Cumbre. Throughout the day, snorkle in the clear, blue waters of the Galapagos.
Head for Urbina Bay, located at the base of Alcedo Volcano, and explore its jagged coastline. View Land iguanas, hawks, coral reef, and giant tortoises. Snorkel with turtles, rays, and tropical fish.
In the afternoon, sail for Moreno Point. Hike along several lava paths which take you through tide pools and mangroves.
After lunch, take off for the Santa Cruz Highlands to walk along a path and observe the hills, ferns, volcanoes, and rich wildlife. Explore the underground lava tubes with local guides.
In the afternoon, transfer back to the airport for your returning flight to mainland Ecuador.