Maps

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Interactive site

National Geographic - important events in ocean underwater exploration

Princeton U.

NOAA Office of Coast Survey

From the National Geophysical Data Center, these global bathymetric and topographic data sets and visualizations can be used for a wide variety of scientific, practical, and artistic applications

Diverse scientific data and information collected during OER-supported ocean expeditions, including those on NOAA Ship Okeanos Explorer. Data collections typically include oceanographic and geophysical parameters, video, images, documents, and other information, provided in a range of data formats

Nautical Charts & Publications

USGS
These maps show the bathymetry of the seafloor surrounding San Francisco, Santa Monica, and the Hawaiian Islands. Images include back scatter, shaded relief, stereo relief, and a perspective view.

Perry-Castañeda Library

Oceans by size, depths and planet Earth details