Isla Santa Cruz, or Santa Cruz Island, is one of the Galápagos Islands, located off the coast of Ecuador. This tropical and volcanic island in the Pacific Ocean is the typical starting place for excursions throughout the Galápagos Islands and is famous for its spectacular biodiversity, especially the iconic Galápagos tortoises. Highlights of Santa Cruz Island include the Charles Darwin Research Station, the town of Puerto Ayora, Carrion Point lagoon, and Tortuga Bay.