Abstract
Increasing security in Polish maritime areas is not only a priority for maritime administration, but all users of this zone. The article proves the general assumptions of the implementation of the National Maritime Safety System as well and the method of implementation of its individual elements. Detailed system information was included PHI-CS and Information Exchange System and Sailing Safety. An attempt was made to investigate the scope of modernization of the System of Information and Navigation Safety System. The article describes elements: the national Safe Sea Net system, rules of passenger registration, databases, ICT connections.