300 122ND St GULF, Marathon, FL 33050

Single family property built in 1953 with 840 sq ft of living area on a 0.10-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

$351,982

County assessed value (tax roll)

$351,982

Living area

840 sq ft

Lot size

0.10 acres (4,200 sq ft)

Year built

1953

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0566 33 00357620000000

At a glance

Who owns 300 122ND St GULF?: Monroe County property records list BETANCOURT CAROL as the owner of record.
What is the county just value of 300 122ND St GULF?: $351,982 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 00357620000000 (Monroe County).

Current owner

BETANCOURT CAROL

Owner contact info

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

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Nearby properties

VACANT 122ND St GULF, Marathon $37K
12240 OVERSEAS Hwy, Marathon $1.1M · built 2012
12222 OVERSEAS Hwy, Marathon $548K · built 1959
325 122ND St GULF, Marathon $773K · built 1968
402 122ND St GULF, Marathon $361K · built 1958
12188 OVERSEAS Hwy, Marathon $864K · built 1959
300 123RD St GULF, Marathon $693K · built 1974
408 122ND St GULF, Marathon $413K · built 1963

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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