Image id: IMG_3101

Snorkel off of Isla San Cristóbal (Chatham Island), the easternmost island in the Galápagos archipelago, and one of the oldest geologically. Its Spanish (and most commonly used) name "San Cristóbal" comes from the Patron Saint of seafarers, "St. Christopher." Its older English name of Chatham is that of William Pitt, 1st Earl of Chatham.