The largest and most biodiverse island in the Galápagos archipelago. From volcanic craters and lava tunnels to flamingo lagoons and penguin colonies — Isabela offers experiences unlike anywhere else on Earth. Book your tour directly with our local Puerto Ayora team.
Isabela Island is the largest island in the Galápagos archipelago, covering approximately 4,586 km² and shaped by six active volcanoes: Wolf, Darwin, Alcedo, Sierra Negra, Cerro Azul, and Ecuador. It’s one of the most volcanically active places on Earth and home to an extraordinary diversity of wildlife found nowhere else on the planet.
From Puerto Ayora in Santa Cruz, Isabela is just a 2-hour ferry ride away — making it one of the most popular and accessible day trips in the Galápagos. Whether you want to snorkel with penguins and reef sharks at Tintoreras, hike to the rim of Sierra Negra volcano, or navigate the surreal lava formations of Los Túneles, Isabela delivers unforgettable experiences for every type of traveler.
As a locally based agency in Puerto Ayora, Zambrano Tours accompanies you throughout your entire Isabela Island experience — from the moment you board the ferry to your safe return to Santa Cruz.
All tours depart from Puerto Ayora, Santa Cruz. Prices are per person and include ferry, guide, and equipment where applicable.
Explore the stunning Tintoreras islet, swim with sea turtles and white-tip reef sharks, and visit the flamingo lagoon. A full day immersed in Isabela’s incredible biodiversity.
Navigate through breathtaking lava tunnels and arches. Snorkel among seahorses, sea turtles, rays, and blue-footed boobies in one of Galápagos’ most unique geological sites.
Hike to the rim of Sierra Negra, one of the world’s largest active volcanic calderas, and continue to Volcán Chico for dramatic lava fields and panoramic island views.
Two-tank dive at Tortuga Island and Tintoreras. Encounter hammerhead sharks, manta rays, sea turtles, and spectacular coral walls. Certification required.
The only way to reach Isabela Island from Santa Cruz is by inter-island ferry. The ferry departs from the Gus Angermeyer Pier in Puerto Ayora at approximately 7:00 AM daily and takes around 2 hours to reach Puerto Villamil, Isabela’s main port. The return ferry departs Isabela at approximately 3:00 PM.
When you book with Zambrano Tours, we handle all ferry logistics for you — tickets, boarding, and coordination. You don’t need to worry about anything. Our team meets you at the pier and accompanies you throughout the day.
Zambrano Tours tip: Bring cash for the Isabela entrance fee (~$14 USD), sunscreen, a light jacket for the ferry crossing, and seasickness medication if you're sensitive to ocean swells. The crossing can be choppy, especially in the morning.
The only way to reach Isabela Island from Santa Cruz is by inter-island ferry. The ferry departs from the Gus Angermeyer Pier in Puerto Ayora at approximately 7:00 AM daily and takes around 2 hours to reach Puerto Villamil, Isabela’s main port. The return ferry departs Isabela at approximately 3:00 PM.
When you book with Zambrano Tours, we handle all ferry logistics for you — tickets, boarding, and coordination. You don’t need to worry about anything. Our team meets you at the pier and accompanies you throughout the day.
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