We began our day by exploring Sombrero Chino and later in the afternoon Sullivan Bay on Santiago Island. We were able to see Galapagos penguins, sea lions, striated herons on the shores. Also the geology of the islands were very interesting and amazing to see, both from the Zodiac while riding around the coast, and on our walk later in the afternoon. We learned today about pahoehoe lava and also about one of the newest lava formations on Santiago Island, at only 118 years.