This is the second largest island after Isabela Island, the most inhabited and economically active island in the Galapagos Archipelago. The formation of Santa Cruz Island occurred approximately 1 and a half million years ago as a testimony of this we can find a lava formation called Los Gemelos, other places of interest are: Charles Darwin Research Station, Las Grietas, Tortuga Bay with Playa Mansa and Playa Brava (for surfers), el Garrapatero Beach, The highlands and Giant Tortoises reserve, Coffee Farms and more.