San Cristobal is the fifth largest island in the archipelago and the first island that Charles Darwin set foot on during his 1835 voyage. The topography of the island is mainly made up of hills and extinct volcanoes. One of the highest points of the island is Cerro Tijeretas, which offers a breathtaking view of the Pacific Ocean. The coasts of the island are mainly rocky, with some white sandy beaches. San Cristobal is home to a wide variety of endemic flora and fauna, some of which are not found anywhere else in the world. Among the most emblematic animals of the island, there are giant Galapagos tortoises, marine iguanas, sea lions, blue-footed boobies, albatrosses and frigate birds. The main town of the island, Puerto Baquerizo Moreno, is the capital of the Galapagos province. It has about 6,000 inhabitants and it is the main administrative, commercial and tourist center of the island.

- Mann Beach: It is a fine white sand beach, located near Puerto Baquerizo Moreno. There you will be able to snorkel and observe sea lions, marine iguanas and turtles. - Cerro Brujo Beach: This beach is located on the northwest coast of the island and offers a spectacular view of the ocean and the surrounding cliffs. You can also observe marine iguanas, sea birds and hermit crabs. - Lobos Island: This small island is located about 40 minutes by boat from Puerto Baquerizo Moreno. It is known to be home to a large colony of sea lions, as well as sea turtles, marine iguanas and sea birds. - Cerro Tijeretas Reserve: This nature reserve is located near Puerto Baquerizo Moreno and offers a breathtaking view of the ocean and the surrounding cliffs. You can observe blue-footed boobies, frigate birds, land iguanas and tortoises. - Interpretation Center: This center is located in Puerto Baquerizo Moreno and offers information on the natural and cultural history of the Galapagos Islands. You will be able to see interactive exhibits about the fauna, flora and History of the archipelago. - Kicker Rock (Leon Dormido): This is an imposing volcanic rock located about an hour by boat from the east coast of San Cristobal. It is one of the most popular sites for snorkeling and diving in the archipelago. The rock, which is about 485 feet high, is made up of two rock formations that meet to form a kind of gate. The rock has been eroded by waves and wind over time, creating an impressive and unique structure. The shape of Kicker Rock is reminiscent of a reclining bull, which explains its name "Kicker Rock". Below the water's surface, Kicker Rock is a meeting place for a wide variety of fishes, including hammerheads, eagle rays, white tip sharks, sea turtles and colorful tropical fish. Water visibility is generally excellent, giving divers an unobstructed view of the marine life. - Junco Lagoon: Junco Lagoon is a natural wonder located at about 2300 feet above sea level. It is a crater of an extinct volcano that has filled with rainwater, forming the largest freshwater lagoon in the archipelago. There you will see a variety of birds, including hummingbirds, swallows, gulls and ducks, as well as endemic plants. - Pitt Point: Pitt Point, also known as Punta Pitt, is a spectacular natural site. It is one of the few places where you can see all three species of boobies in one place. Indeed, Pitt Point is known for its colonies of red-footed boobies, masked boobies and blue-footed boobies. You can also observe other seabirds, such as brown pelicans and frigate birds, as well as marine iguanas and sea lions. The waters surrounding Pitt Point are also rich in marine life, offering opportunities for surface diving and scuba diving. - La Galapaguera: Cerro Colorado's Galapaguera is a breeding center for giant tortoises. The center is managed by the Galapagos National Park and aims at protecting and preserve the endemic giant tortoise species of San Cristobal Island.