11450 3RD Avenue, Marathon, FL 33050

Single family property built in 1971 with 750 sq ft of living area on a 0.07-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

$590,393

County assessed value (tax roll)

$590,393

Living area

750 sq ft

Lot size

0.07 acres (2,850 sq ft)

Year built

1971

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-0566 33 00345420000000

At a glance

Who owns 11450 3RD Ave?: Monroe County property records list DA SILVA KLEYDSON as the owner of record.
What is the county just value of 11450 3RD Ave?: $590,393 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 00345420000000 (Monroe County).

Current owner

DA SILVA KLEYDSON

Owner contact info

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

See plans

Nearby properties

11455 3RD Ave OCEAN, Marathon $1.1M · built 1953
11455 2ND Ave OCEAN, Marathon $641K · built 1971
348 114TH St OCEAN, Marathon $520K · built 1956
11453 2ND Ave OCEAN, Marathon $394K · built 1956
11498 4TH Ave OCEAN, Marathon $677K · built 2013
11490 2ND Ave OCEAN, Marathon $649K · built 1958
11494 4TH Ave OCEAN, Marathon $734K · built 2013
11405 3RD Ave OCEAN, Marathon $452K · built 1956

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