Marinas in Seneca, IL
5 marinas in and around Seneca, Illinois — call ahead about transient slips and fuel hours — many smaller marinas keep seasonal schedules and fill up on summer weekends.
Spring Brook Marina
623 W River Dr, Seneca, IL 61360
Tip: fuel docks often close before the marina office does. If you need gas or diesel late in the day, call and ask for fuel hours specifically.