Marine Microbial Database of India is an initiative of CSIR National Institute of Oceanography (NIO). It is supported by Council of Scientific and Industrial Research (CSIR) and managed by Biodiversity Informatics Group (BIG), Bioinformatics Centre of the NIO. It contains records about 1,814 marine microbes. Each record provides information on microbe’s location, habitat, importance (of the organism), threats (to the organism). The database also provides a Taxonomic Hierarchy and Scientific Name Index.