From October 2017 to January 2019, a large and prolonged red tide event caused respiratory distress and displaced recreational activities along Florida’s Gulf coast, heavily impacting the tourist sector. NCCOS-funded researchers now estimate that the loss to tourism-related businesses during the 2018 Florida red tide bloom was $2.7 billion USD. https://www.sciencedirect.com/science/article/pii/S0301479723025999