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Aspergillusand Candidaare ubiquitous fungi included in the group of high priority in the World Health Organization list of fungal pathogens. They are found in various ecosystems and the environmental role in increasing the resistance to antifungals has been shown. Thus, we aimed to determine the occurrence of Aspergillusspp. and Candidaspp. pathogenic species in water samples from a coastal ecosystem from southern Brazil, and its antifungal susceptibility profile. Water samples were collected monthly at three environmental sites, over 25 months. Abiotic parameters of the water samples were analyzed as well as antifungal susceptibility. Aspergillusspp. and Candidaspp. were detected in 44% (n= 33/75) and 40% (n= 30/75) respectively of the samples, totaling 67 and 96 isolates. Section Fumigatiand C. parapsilosiswere the most section/species isolated. Triazole resistance was detected in 3% of the Aspergillusspp. (2/67) and in 1% of the Candidaspp. (1/96) isolates. Our study contributes with data showing that coastal aquatic environments can serve as a source of infection of resistant fungal isolates, proving the need for environmental surveillance and monitoring of fungal resistance in the One Health perspective.