Sullivan Bay is located on the east part of Santiago Island and presents a great geologic interest. The area is cover in lava flows which makes it a very spectacular place to visit. Here, you can enjoy the marine wildlife of the Galapagos while snorkeling. Sullivan Bay is one of the most beautiful places in the Galapagos to snorkel with its crystal clear waters!

Visiting Sullivan Bay is often combined with visiting Bartolome Island, as the areas are close to each other. This place can be visited on a naturalist cruise or on a day trip from Santa Cruz.