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Fanny Key Island, Marathon, FL 33050

Single family property built in 1983 with 5,204 sq ft of living area on a 1.28-acre lot in Marathon, 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
$4,029,905
County assessed value (tax roll)
$4,029,905
Living area
5,204 sq ft
Lot size
1.28 acres (55,742 sq ft)
Year built
1983
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0966 32 00105820000000

At a glance

Who owns Fanny Key Island?
Monroe County property records list MARABELLA DAVID as the owner of record.
What is the county just value of Fanny Key Island?
$4,029,905 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-54-0966 32 00105820000000 (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 Fanny Key Island

All 1 property on Fanny Key Island · 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 23, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources