The tour to the Tunnels lasts approximately 1 hour and a half to 2 hours. Once in this sector, the boat will travel the different paths through the tunnels where you can clearly observe the landscape of the place, we go to Roca Unión, a small islet located in the open sea where you can see Pelicans, Nazca Boobies and Patas Boobies. Blue and one or another sea lion resting on the rocks. We will sail for about 45 minutes approx to reach the most beautiful rocky lava formations of the Galapagos, they are called tunnels because in ancient eruptions, the lava passed under the ground forming tunnels that later collapsed and gave rise to these arches. on the water where you can clearly see vegetation that comes out of the rocks, the crystal clear water, the sea lions flutter between the arches. We will snorkel with sea turtles, "tintoreras" sharks, golden rays, eagle rays, seahorses, fish such as surgeons, damselfish, after having done the two activities we prepare for the return to Isabela.