The Institute has facilities and support staff both in the Earth & Marine Sciences Building on the UCSC Main Campus and at the off-site Coastal Science Campus, located on the coastline ten minutes from Main Campus. Faculty marine scientists from the departments of Ocean Sciences, Ecology and Evolutionary Biology, Earth and Planetary Sciences, Microbiology and Environmental Toxicology, Chemistry and Biochemistry and Environmental Studies, along with affiliated researchers are grouped into informal research cluster groups affiliated with the Institute.