10803 5TH Ave GULF, Marathon, FL 33050

Multi-family (fewer than 10 units) property built in 1971 with 1,500 sq ft of living area on a 0.15-acre lot in Marathon, Monroe County. Facts below come from the county property appraiser's public record.

Open in interactive map List this home free on dwello Own this home? Claim it

County just value (tax roll) — not a market value

$510,900

County assessed value (tax roll)

$510,900

Living area

1,500 sq ft

Lot size

0.15 acres (6,646 sq ft)

Year built

1971

Land use

Multi-family (fewer than 10 units)

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0666 33 00334080000000

At a glance

Who owns 10803 5TH Ave GULF?: Monroe County property records list ITS A LILLY LLC as the owner of record.
What is the county just value of 10803 5TH Ave GULF?: $510,900 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 00334080000000 (Monroe County).

Current owner

ITS A LILLY LLC

Owner contact info

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

See plans

Nearby properties

10802 4TH Ave GULF, Marathon $598K · built 1969
10845 5TH Ave GULF, Marathon $459K · built 1970
10806 4TH Ave GULF, Marathon $435K · built 1971
10822 5TH Ave GULF, Marathon $518K · built 1976
10730 5TH Ave GULF, Marathon $375K · built 1961
1280 107TH St GULF, Marathon $576K · built 1969
10700 4TH Ave GULF, Marathon $666K · built 1968
10855 5TH Ave GULF, Marathon $397K · built 1960

Explore the area

Search this address on listing sites

These links open the listing site directly; we don't copy their data.

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