Clark Island is a beautiful property owned by the  Batavia Park District. It is located on the Fox River,  just South of  Wilson Street in downtown Batavia.  There is parking and bridge access from either side of the river.   Official 'Clark Island" parking is off of Rt 25 on the East Side of the River near the skate park.  On the West Side, take Shumway (Island Ave) south to find some parking.  There is additional parking on the west side behind River West Family Fitness.   (Clark Island is the Center Island on the map below)
Bring a picnic dinner, come early!! There will be plenty of entertainment!