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129 Avenue A, Coco Plum Key, FL 33050

Airport, terminal, marina or pier property built in 1972 with 3,400 sq ft of living area on a 1.57-acre lot in Coco Plum Key, 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
$2,564,016
County assessed value (tax roll)
$2,564,016
Living area
3,400 sq ft
Lot size
1.57 acres (68,321 sq ft)
Year built
1972
Land use
Airport, terminal, marina or pier
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0566 33 00100750000800

At a glance

Who owns 129 Avenue A?
Monroe County property records list MIDDLE KEYS MARINA INC as the owner of record.
What is the county just value of 129 Avenue A?
$2,564,016 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 00100750000800 (Monroe County).

Current owner

Owner contact info

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

See plans

More on Ave A

All 8 properties on Ave A · 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