Founded in 1957, Maryland Nautical Sales is one of the largest nautical chart agents in the United States. We have in stock a worldwide selection of nautical charts (electronic & paper), books, navigation software and marine supplies. As a supplier of worldwide charts (corrected up-to-date) and publications of the U.K. Hydrographic Office (British Admiralty) since 1987, Maryland Nautical was granted its "International Admiralty Chart Agent" status by the U.K.H.O. in 1999. We are also an ISO 9001 Registered Firm.