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11231 5TH Ave GULF, Marathon, FL 33050

Single family property built in 1970 with 1,792 sq ft of living area on a 0.23-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
$1,164,380
County assessed value (tax roll)
$1,164,380
Living area
1,792 sq ft
Lot size
0.23 acres (9,917 sq ft)
Year built
1970
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0666 33 00335960000000

At a glance

Who owns 11231 5TH Ave GULF?
Monroe County property records list KNIGHT ROBERT as the owner of record.
What is the county just value of 11231 5TH Ave GULF?
$1,164,380 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 00335960000000 (Monroe County).

Current owner

Owner contact info

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

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More on 5th Ave Gulf

All 28 properties on 5th Ave Gulf · ZIP 33050 (Marathon). Values are county just values (tax roll), not market values.

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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