204 NAUTILUS Street, Duck Key, FL 33050

Single family property built in 2001 with 5,163 sq ft of living area on a 0.42-acre lot in Duck 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

$3,724,692

County assessed value (tax roll)

$1,621,114

Living area

5,163 sq ft

Lot size

0.42 acres (18,315 sq ft)

Year built

2001

Land use

Single family

FEMA flood zone

Not on file yet

County

Monroe County, FL

Parcel ID

fl-54-1665 34 00383550000000

At a glance

Who owns 204 NAUTILUS St?: Monroe County property records list GRILL JONATHAN as the owner of record.
What is the county just value of 204 NAUTILUS St?: $3,724,692 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-54-1665 34 00383550000000 (Monroe County).

Current owner

GRILL JONATHAN

Owner contact info

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

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Nearby properties

208 NAUTILUS St, Duck Key $4.2M · built 2000
206 CORSAIR Rd, Duck Key $3.1M · built 2024
207 NAUTILUS St, Duck Key $660K · built 1985
208 CORSAIR Rd, Duck Key $899K
201 W SEAVIEW Dr, Duck Key $9M · built 2019
203 W SEAVIEW Dr, Duck Key $1.3M
210 CORSAIR Rd, Duck Key $2.7M · built 2007
201 NAUTILUS St, Duck Key $1.2M · built 2020

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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