Nearly three out of every four British Columbians live near the Strait of Georgia. Yet, because human beings are typically good at tuning out the familiar, we often neglect this rich body of water, allowing it to fade into the background. And that is doubly true for the world hidden under the waves—a world that teems with astonishing creatures beyond our notice, even our imaginations, as we jog along its edge or glide over it, dozing on a ferry commute.