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3770 OVERSEAS Highway, Marathon, FL 33050

Office building (one story) property built in 1950 with 11,234 sq ft of living area on a 1.22-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
$2,181,128
County assessed value (tax roll)
$2,181,128
Living area
11,234 sq ft
Lot size
1.22 acres (53,266 sq ft)
Year built
1950
Land use
Office building (one story)
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1066 32 00336800000000

At a glance

Who owns 3770 OVERSEAS Hwy?
Monroe County property records list CEPHEUS CORPORATION as the owner of record.
What is the county just value of 3770 OVERSEAS Hwy?
$2,181,128 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-54-1066 32 00336800000000 (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 Overseas Hwy

All 368 properties on Overseas Hwy · 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