This guide was developped for seaweed harvesters and anyone wishing to deepen their knowledge on seaweed harvesting practices. It promotes sustainable seaweed management in Quebec in the maritime zone illustrated in turquoise on the map. This guide is based on a literature review adressing seaweed harvesting conditions of multiple species harvested in Quebec and in similar climatic regions (Roy et al. 2025, in preparation). This guide aims to raise awareness on the importance of sustainable seaweed harvesting, with a focus on harvesting techniques respecting seaweed ecosystems. It is important to note that this guide is intended to serve as an informative resource promoting appropriate seaweed harvesting practices. However, it does not constitute an official regulation. The recommendations are designed to complement and not to replace existing regulations.