St. Marks River Preserve State Park is one of the Florida parks in thicket's catalog. thicket is a field guide to the parks near you: it maps the ones you have never noticed, gives you a reason to actually go, and keeps a record of where you have been.
Where it is
St. Marks River Preserve State Park is in Leon County, Florida. Its approximate coordinates are 30.39230, -84.09225.
Check in at St. Marks River Preserve State Park
thicket verifies you are actually here by GPS when you check in, so a visit means you went. Checking in builds a streak, earns achievements, and fills in your map of the places you have been.