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818 51ST St GULF 1, Marathon, FL 33050

Single family property built in 2020 with 1,358 sq ft of living area on a 0.14-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
$309,285
County assessed value (tax roll)
$309,285
Living area
1,358 sq ft
Lot size
0.14 acres (6,098 sq ft)
Year built
2020
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1066 32 00325410000100

At a glance

Who owns 818 51ST St GULF 1?
Monroe County property records list DIAZ DANILO as the owner of record.
What is the county just value of 818 51ST St GULF 1?
$309,285 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-54-1066 32 00325410000100 (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 51st St Gulf 1

All 1 property on 51st St Gulf 1 · 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