Dagny Johnson Key Largo Hammock Botanical State Park Places AddressMonroe County, Florida, US Websitehttps://www.floridastateparks.org/parks-and-trails/dagny-johnson-key-largo-hammock-botanical-state-park AreaMonroe County, Florida, United States Open on map Directions Back to directory search ☆ ☆ ☆ ☆ ☆ Submit