Northern Marianas Islands Map. Territories doesn’t meet mayo clinic data standards. The main islands of the cnmi consists of limestone with fringing coral reefs, some islands to the north, like anatahan, pagan and agrihan are of volcanic origin.

The northern mariana islands are an archipelago of 15 islands located in the western pacific. The northern mariana islands, together with guam to the south, compose the mariana islands. The archipelago is located approximately equal distance from hawaii, the philippines and japan, which makes it quite remote and isolated place geographically.