The Whitepaper underscores sustainability literacy as crucial for Portugal’s tourism success. Produced by the Nova SBE Westmont Institute of Tourism & Hospitality, it offers 17 recommendations for sustainable tourism, emphasizing the need for SMEs to enhance sustainability practices through education and financing strategies. The report urges integrating sustainability into tourism companies’ operations and products, supported by public incentives. It highlights the importance of monitoring key indicators and calls for Portugal to align its decarbonization efforts with its tourism goals. Overtourism is identified as a major challenge, urging rigorous debate and technological solutions for sustainable tourism management.