Listed on the National Register of Historic Places in 1982. 5 historic topographic surveys show this location, the earliest from 1921.
From the record
“The Sugarloaf Key Bat Tower, also known as the Perky Bat Tower, was a historic site in Monroe County, Florida, United States. Route 1 on Lower Sugarloaf Key at mile marker 17.”
Wikipedia article Sugarloaf Key Bat Tower, CC BY-SA 4.0.
One of 50 National Register listings published here for Monroe County · listed in 1982 · category: Site.
National Register reference number.82002377- the number the National Park Service assigned this property when it was listed, and the key its nomination file is catalogued under at the National Archives.
Then and now
1921 to 1989
The ground this property stands on, surveyed
68 years apart. Drag the handle to wipe between them. Both sheets are
United States Geological Survey originals; neither has been altered.
19211989
Fires near this property
19 since 1993
Regional context, not property-specific
evidence. The
federal wildfire occurrence database
lists 19 fires within 5 miles of Bat Tower-Sugarloaf Key
between 1993 and 2010, burning about 19 acres in total. None started naturally. 4 were recorded as arson.
Distance is straight-line from the map coordinates, so a fire counted
here may appear on a neighbouring settlement's page as well.
Reported cause
Fires
Debris and open burning
4
Arson/incendiarism
4
Missing data/not specified/undetermined
3
Railroad operations and maintenance
3
Recreation and ceremony
2
Power generation/transmission/distribution
1
Misuse of fire by a minor
1
Equipment and vehicle use
1
The most recent of
them, most recent first, with the day each was reported and the service
that recorded it.
Regional context, not property-specific
evidence. The federal mineral resources record lists
1 working within 5 miles of Bat Tower-Sugarloaf Key: 1 producer.
All of them still produce. What was taken out: Limestone, General. Distance is straight-line from the
map coordinates, so a quarry counted here may appear on a neighbouring
settlement's page as well.
United States Geological Survey topographic
sheets whose coverage includes this point. Matched by taking the coordinate the National Park Service records for this property, then
testing that coordinate against the published boundary of every sheet.
Listing record. National Park Service National Register of Historic Places, listed-properties dataset, current to 2026-05-22.
Map join. Address geocoded through the United States Census geocoder, then tested against the published boundary of every sheet in the USGS Historical Topographic Map Collection.
How this page is made. Listing fields come from federal records; map-sheet coverage is a labelled coordinate-to-boundary calculation, not a source-field claim.
Wildfire. Short, Karen C. 2022. Spatial wildfire occurrence data for the United States, 1992-2020 [FPA_FOD_20221014]. 6th Edition. Fort Collins, CO: Forest Service Research Data Archive. https://doi.org/10.2737/RDS-2013-0009.6 Collected with United States Government funding and usable without additional permissions or fees.
Mines and quarries. USGS Mineral Resources Data System (MRDS) https://mrdata.usgs.gov/mrds/ A work of the United States government, no copyright under 17 U.S.C. 105.