858 BAY Drive, Summerland Key, FL 33042

Single family property built in 1986 with 1,440 sq ft of living area on a 0.17-acre lot in Summerland 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

$1,131,446

County assessed value (tax roll)

$1,131,446

Living area

1,440 sq ft

Lot size

0.17 acres (7,575 sq ft)

Year built

1986

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-3666 28 00198932005600

At a glance

Who owns 858 BAY Dr?: Monroe County property records list KIERNY FAMILY TRUST as the owner of record.
What is the county just value of 858 BAY Dr?: $1,131,446 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-54-3666 28 00198932005600 (Monroe County).

Current owner

KIERNY FAMILY TRUST

Owner contact info

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

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Nearby properties

868 BAY Dr, Summerland Key $1.3M · built 1987
848 BAY Dr, Summerland Key $1.2M · built 1986
838 BAY Dr, Summerland Key $1.3M · built 1995
849 LAGOON Dr, Summerland Key $1.6M · built 2021
867 BAY Dr, Summerland Key $1.3M · built 2001
857 BAY Dr, Summerland Key $1.1M · built 1986
VACANT LAN BAY Dr, Summerland Key $231K
877 BAY Dr, Summerland Key $1.1M · built 1980

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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