Because of the importance of the ocean today – in terms of climate, health, economy, food supply, recreation, coastal habitation, and many other areas – the time has come to historicize our human relationship with the ocean. A grassroots effort to articulate principles of ocean literacy, which culminated in the adoption of international standards by UNESCO, focuses on science but includes the principle that “the oceans and humans are inextricably interconnected”(http://oceanliteracy.wp2.coexploration.org/)Here are some projects that aim to explore and promote such interconnections. Ocean history can, and should, be promoted through formal teaching as well as informal education, using various forms of popular media, museums, and art. The projects featured here are mine or ones with which I was involved; see “Fellow Fathomers” for work by others.