Kids in kindergarten through fifth grade are invited to join the free, fun-filled Discovery Saturday at the Florida Keys Eco-Discovery Center (35 East Quay Road, Key West) from 10-11 a.m. Join our special guests from Ft. Zachary Taylor. Learn all about the forts built here and how the Navy has changed the Keys. Free admission, free parking. Discovery Saturday is held the third Saturday of every month. Pre-registration is recommended. The Florida Keys Eco-Discovery Center is located at 35 East Quay Road on the Truman Annex waterfront in Key West.