Since 2017, the Federal Environment Agency (UBA) has been operating the Internet platform of the Round Table on Marine Litter at www.muell-im-meer.de. The main objective of the platform is to provide organisational support for the German Roundtable on Marine Litter and its working groups, in particular by providing a password-protected member area. In addition, the public part of the platform serves public relations work and the bundling of information on marine litter. In this project the Ecologic Institute is responsible for the further development, relaunch, operation, technical maintenance and hosting of the internet platform. Ecologic Institute is creating and implementing a development guide on structural and functional changes for the internet platform.