663 50TH Ct GULF, Marathon, FL 33050

Single family property built in 1985 with 1,086 sq ft of living area on a 0.29-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

$570,078

County assessed value (tax roll)

$570,078

Living area

1,086 sq ft

Lot size

0.29 acres (12,666 sq ft)

Year built

1985

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-1066 32 00325250000000

At a glance

Who owns 663 50TH Ct GULF?: Monroe County property records list GROSTEFON ROBERT as the owner of record.
What is the county just value of 663 50TH Ct GULF?: $570,078 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-54-1066 32 00325250000000 (Monroe County).

Current owner

GROSTEFON ROBERT

Owner contact info

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

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Nearby properties

773 51ST St GULF, Marathon $280K · built 1957
772 50TH Ct, Marathon $314K · built 1959
825 51ST St GULF, Marathon $366K · built 1959
617 51ST St GULF, Marathon $637K · built 1993
666 50TH Ct GULF, Marathon $495K · built 1974
664 50TH Ct GULF, Marathon $555K · built 1969
768 50TH Ct GULF, Marathon $482K · built 1972
921 51ST St GULF, Key Vaca $762K · built 1948

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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