The island associated with the Galápagos tortoise is Isabela Island, part of Ecuador's Galápagos Islands. Isabela is the largest island in this archipelago and features diverse ecosystems, including lush highlands and volcanic landscapes. The Galápagos tortoise, known for its large size and long lifespan, is a well-known symbol of conservation efforts in the Galápagos. The unique adaptations of tortoises and other wildlife on Isabela result from the islands' isolation. The Galápagos Islands are crucial for studying evolution and biodiversity, attracting scientists and nature enthusiasts alike.