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201 NAUTILUS Street, Duck Key, FL 33050

Single family property built in 2020 with 2,819 sq ft of living area on a 0.19-acre lot in Duck Key, Monroe County. Facts below come from the county property appraiser's public record.

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County just value (tax roll) — not a market value
$1,213,401
County assessed value (tax roll)
$1,213,401
Living area
2,819 sq ft
Lot size
0.19 acres (8,343 sq ft)
Year built
2020
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1665 34 00384030000000

At a glance

Who owns 201 NAUTILUS St?
Monroe County property records list SIFFORD JUSTIN as the owner of record.
What is the county just value of 201 NAUTILUS St?
$1,213,401 on the Monroe County tax roll (as of January 1). Just value is the property appraiser's figure for property taxes — not a market value.
What is the parcel ID?
fl-54-1665 34 00384030000000 (Monroe County).

Current owner

Owner contact info

Phones, emails and mailing addresses from public Florida records are available to members.

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More on Nautilus St

All 6 properties on Nautilus St · ZIP 33050 (Marathon). Values are county just values (tax roll), not market values.

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Source: Florida Department of Revenue parcel roll; data refreshed Jun 25, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources