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351 STIRRUP KEY Boulevard, Marathon, FL 33050

Single family property built in 1980 with 1,802 sq ft of living area on a 0.31-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
$1,377,678
County assessed value (tax roll)
$1,377,678
Living area
1,802 sq ft
Lot size
0.31 acres (13,710 sq ft)
Year built
1980
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-3165 33 00333641008400

At a glance

Who owns 351 STIRRUP KEY Blvd?
Monroe County property records list GROSTEFON ROBERT as the owner of record.
What is the county just value of 351 STIRRUP KEY Blvd?
$1,377,678 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-54-3165 33 00333641008400 (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 Stirrup Key Blvd

All 46 properties on Stirrup Key Blvd · 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