800 S MARINA Avenue, Key Largo, FL 33037
Single family property built in 1999 with 1,456 sq ft of living area on a 0.21-acre lot in Key Largo, Monroe County. Facts below come from the county property appraiser's public record.
County just value (tax roll) — not a market value
$930,297
County assessed value (tax roll)
$449,403
Living area
1,456 sq ft
Lot size
0.21 acres (9,122 sq ft)
Year built
1999
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1262 38 00486854000201
At a glance
- Who owns 800 S MARINA Ave?
- Monroe County property records list DONNELLY JUDITH as the owner of record.
- What is the county just value of 800 S MARINA Ave?
- $930,297 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-54-1262 38 00486854000201 (Monroe County).
Current owner
- DONNELLY JUDITH
Owner contact info
Phones, emails and mailing addresses from public Florida records are available to members.
See plansMore on S Marina Ave
- 801 S Marina Ave $341K · built 1979
- 803 S Marina Ave $360K · built 1979
- 805 S Marina Ave $328K · built 1979
All 4 properties on S Marina Ave · ZIP 33037 (Key Largo). Values are county just values (tax roll), not market values.
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Source: Florida Department of Revenue parcel roll; data refreshed Jun 23, 2026. Values are county tax-roll figures, not appraisals. How to read these values · Data sources