542 109TH St OCEAN, Marathon, FL 33050

Single family property built in 1953 with 1,185 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

$475,190

County assessed value (tax roll)

$321,000

Living area

1,185 sq ft

Lot size

0.14 acres (6,000 sq ft)

Year built

1953

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0666 33 00343770000000

At a glance

Who owns 542 109TH St OCEAN?: Monroe County property records list MEJIAS CARLOS as the owner of record.
What is the county just value of 542 109TH St OCEAN?: $475,190 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-54-0666 33 00343770000000 (Monroe County).

Current owner

MEJIAS CARLOS

Owner contact info

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

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Nearby properties

10950 5TH Ave OCEAN, Marathon $493K · built 1951
480 109TH St OCEAN, Marathon $558K · built 1951
495 110TH St OCEAN, Marathon $416K · built 1951
428 109TH St OCEAN, Marathon $544K · built 1951
483 110TH St OCEAN, Marathon $448K · built 1951
10980 5TH Ave OCEAN, Marathon $452K · built 1951
10957 5TH Ave OCEAN, Marathon $1M · built 1946
421 110TH St OCEAN, Marathon $467K · built 1954

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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