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520 12TH St GULF, Marathon, FL 33050

Multi-family (fewer than 10 units) property built in 1934 with 2,565 sq ft of living area on a 0.71-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
$2,019,697
County assessed value (tax roll)
$2,019,697
Living area
2,565 sq ft
Lot size
0.71 acres (30,914 sq ft)
Year built
1934
Land use
Multi-family (fewer than 10 units)
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0866 32 00101610000200

At a glance

Who owns 520 12TH St GULF?
Monroe County property records list BLUE WATER TRUST LLC as the owner of record.
What is the county just value of 520 12TH St GULF?
$2,019,697 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-54-0866 32 00101610000200 (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 12th St Gulf

All 14 properties on 12th St Gulf · 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