Join a Florida Master Naturalist at Koreshan State Park for a GRUB CLUB experience. BRING your lunch and join the Grub Club to learn and experience the naturalist topic of the day. Naturalist Grub Club sessions are held in the picnic pavilion down by the Estero River. Grub Club is free with park entry fee ($5 per vehicle with 2-8 occupants, $4 per single-occupant vehicle and $2 for pedestrians and bicyclists) but registration is requested. Click on a link below to register.