This island, younger and more volcanic, is unique and wonderful (it even has the shape of a seahorse!). When arriving at the port of its only town, Puerto Villamil, one realizes the magic that this place exudes: Galapagos penguins and sea lions greet you from the crystalline waters and sand streets guide you through an interesting community. Although it is the largest island, you can only visit the third (or rather fifth) south. It does not matter, there is a lot to do. On your own:

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• Puerto Villamil. Enjoy the gentle rhythm of its people and gastronomy. And, of course, take a dip in the dock itself, where penguins and sea lions swim.

• Turtle hatchery. On the outskirts of the town.

• The Wall of Tears (Muro de las Lágrimas in Spanish). Built by a penal colony in the 40s and 50s of the last century this structure was responsible for thousands of deaths of inmates. It is about 7 km away from Puerto Villamil, easily connected by a wonderful path through which you can walk or bike (bike rental agencies in town). On the way there are beaches full of life (sea lions and iguanas, mainly), lush mangroves, pools and lagoons (look for flamingos!).

Guided:

• Sierra Negra Volcano. In theory, it can only be done with a guide, but it is one of the most worthwhile excursions to pay. The tour starts at 8 in the morning ending in the afternoon. You will cross one of the largest craters in the world, inhospitable landscapes made of lava, nice forests, etc. From some spots you will have spectacular views and you will get to see a piece of Fernandina Island, the youngest and most volcanically active of the archipelago.

• Lava tunnels. A place of super clear waters one hour by boat from Puerto Villamil, ideal for snorkeling. It is expensive (around 90 bucks), but the spectacle of sea turtles, stingrays and colorful fish is worth it. It also includes a short walking tour to know how the area was geologically formed.

• Tintoreras. A trip that combines a boat ride watching birds: large colony of blue-footed boobies, some penguins, etc; a short trekking through an islet bypassing iguanas (terrestrial and marine), which is a zone of resting and breeding of tintoreras sharks (also called white tip reef sharks); and a snorkel where you can see turtles, fish, lobsters…