In Latvia, issues of the Real Estate Cadastre have been arranged, however, it has to be noted that there has been an uncovered part of the issues affecting the Baltic Sea, i.e. the issues of the Marine Cadastre. The status of the Baltic coastline is very essential element of infrastructure for all countries around the Baltic Sea. This baseline serves the key element or reference for of Marine Cadastre. In place-to-place this line is dynamic element at it is possible to monitor location with advanced and progressive technologies. Issues of the Marine Cadastre are in the agenda in many EU countries, and several international projects are realized. Land parcels from the sea are registered and maintained in the Cadastre Information System. Starting from 2017, the State Land Service of Latvia has started to register coastal areas two kilometres in width from the Baltic sea baseline. Cadastral information about Marine Cadastre will be used for spatial planning and taxes. Spatial data will be used for marine monitoring.