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791 100TH St OCEAN, Marathon, FL 33050

Single family property built in 1982 with 1,295 sq ft of living area on a 0.24-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
$1,144,673
County assessed value (tax roll)
$500,113
Living area
1,295 sq ft
Lot size
0.24 acres (10,427 sq ft)
Year built
1982
Land use
Single family
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-0666 33 00352120000000

At a glance

Who owns 791 100TH St OCEAN?
Monroe County property records list CAVANAUGH GENE as the owner of record.
What is the county just value of 791 100TH St OCEAN?
$1,144,673 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 00352120000000 (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 100th St Ocean

All 21 properties on 100th St Ocean · 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