You could try Ecosportour Travel Agency (talk with Juan Carlos Nuñez Freire). He can help you to find cheap rooms in Galápagos Island and other cities in Ecuador. [http://www.ecosportour.com]. I did the reservation to Galapagos before I travel, but I bought a package to Cotopaxi volcano, Baños,...more
When you arrive at Puerto Ayora, the taxi drivers will offer the first tour. In the middle of island, you can look very close the giants tortoises. Put the boots and walk around the farm. It's amazing!!
The hotel has the best infrastructure in the Island. It's another one called Divers Lodge, cheaper than Aventura Lodge in Puerto Ayora. If you d'ont feel good many days in the cruises, you can stay in Red Mangrove hotels in Floreana or Isabela....more
Tortuga Bay is about 15 min. to the harbor. It's free, you need at least 30 minutes walking inside the park to reach the beach. You can see a lot of iguanas mariñas and a "opuntia" forest, a Galapagos giant cactuses, the only species of cactuses that grows like a tree....more