419 121ST St GULF, Marathon, FL 33050

Single family property built in 1999 with 3,841 sq ft of living area on a 0.41-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

$2,333,675

County assessed value (tax roll)

$2,333,675

Living area

3,841 sq ft

Lot size

0.41 acres (17,710 sq ft)

Year built

1999

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0566 33 00357500000000

At a glance

Who owns 419 121ST St GULF?: Monroe County property records list KLIMA DENNIS P REVOCABLE TRUST as the owner of record.
What is the county just value of 419 121ST St GULF?: $2,333,675 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-54-0566 33 00357500000000 (Monroe County).

Current owner

KLIMA DENNIS P REVOCABLE TRUST

Owner contact info

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

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Nearby properties

421 121ST St GULF, Marathon $1.4M · built 1963
423 121ST St GULF, Marathon $1.4M · built 1961
318 120TH St GULF, Marathon $636K · built 1986
310 120TH St GULF, Marathon $546K · built 1976
425 121ST St GULF, Marathon $1.2M · built 1961
11999 2ND Ave GULF, Marathon $298K · built 1974
300 120TH St GULF, Marathon $609K · built 1980
212-B 120TH St, Marathon $391K · built 1981

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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