The COMPLETE project is collecting data on biofouling of leisure boats, antifouling strategies, cleaning procedures and facilities. The aim of the project is to compile information on best practices and deliver knowledge and user-oriented tools for efficient regional biofouling management in the Baltic Sea Region. For this purpose, cooperation with local marinas and boat owners is essential. Filling in the questionnaire takes 10 minutes, and it is currently available in English, Finnish, German, Estonian, Latvian, Lithuanian, Polish and Swedish. The questionnaire can be found at this link.