It is a little west of the International Date Line. It is part of the larger island group of Micronesia. The country has a little over 53,000 inhabitants in 2011. They are spread out over 29 coral atolls consisting of 1,156 individual islands and islets.
Source: Bing News : http://www.digitaljournal.com/tech-and-science/technology/tiny-country-of-marshall-islands-issues-legal-tender-cryptocoin/article/516469