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58813 OVERSEAS Highway, Grassy Key, FL 33050

Tourist attraction property built in 2006 with 2,514 sq ft of living area on a 0.61-acre lot in Grassy 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
$1,058,852
County assessed value (tax roll)
$1,058,852
Living area
2,514 sq ft
Lot size
0.61 acres (26,610 sq ft)
Year built
2006
Land use
Tourist attraction
FEMA flood zone
Not on file yet
County
Monroe County, FL
Parcel ID
fl-54-1965 34 00100070000300

At a glance

Who owns 58813 OVERSEAS Hwy?
Monroe County property records list DOLPHIN RESEARCH CENTER INC as the owner of record.
What is the county just value of 58813 OVERSEAS Hwy?
$1,058,852 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-54-1965 34 00100070000300 (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