Fort Island Gulf Beach is a saltwater beach in Citrus County, Florida. Across 231 bacteria samples collected between 2021 and 2025 at nearby monitoring stations, it earns a Beach Safety Grade of D — Poor.
About 13% of samples at Fort Island Gulf Beach exceeded the EPA Beach Action Value of 104 CFU/100 mL for Enterococcus — the threshold at which water managers typically post a swimming advisory. In practice that means the safe-swimming limit was frequently crossed here over the monitored period. Bacteria samples frequently exceed the safe-swimming threshold; swimming advisories are common here.
In the most recent full reporting year, Fort Island Gulf Beach was under a swimming advisory for about 7% of its monitored beach days — a useful gauge of how often problems recur here beyond any single sample.