From FWC:

The remaining portion of Taylor County and all of Dixie County (including Keaton Beach and the Steinhatchee area): the third Saturday in June (June 15) through Sept. 10. This region includes all state waters east of Rock Island near the mouth of the Fenholloway River in Taylor County and north of Alligator Pass daybeacon #4 near the mouth of the Suwannee River in Levy County.