Floreana, officially “Santa María,” is located at the far south of the archipelago. It has an area of 173 square kilometers (67 sq mi) and a maximum elevation of 640 meters (2,100 ft). It is one of the islands with the most interesting human history and one of the earliest to be inhabited. Flamingos and green sea turtles nest (December to May) on this island. The "patapegada" or Galápagos Petrel is found here, a sea bird which spends most of its life away from land.Snorkeling around this area is one of the best in the Galapagos.