544 Warren Ln, Key Biscayne, FL 33149

Listing Remarks — 544 Warren Ln, Key Biscayne, FL 33149

New construction, this extraordinary custom Cape Dutch residence is a masterwork of timeless design, brought to life by Duncan and Heuser Design and Development, with interiors curated by James Duncan. Every detail, from the graceful gabled facade to the refined finishes within, reflects a rare devotion to craftsmanship and enduring elegance. Offering six generously proportioned bedrooms and six and a half beautifully appointed bathrooms, this home balances gracious scale with warm, livable comfort. Soaring ceilings, thoughtfully placed windows, and an effortless flow between rooms create a sense of light and openness throughout, while curated materials and bespoke millwork lend a distinctly luxurious character to every space. This is more than a house; it is a legacy residence, designed to be lived in beautifully for generations. A truly rare offering for the discerning buyer seeking timeless architecture, exceptional interiors, and uncompromising quality throughout.

Inside the Residence: 544 Warren Ln, Key Biscayne, FL 33149

Bathrooms Full

5

Bathrooms Half

1

Interior Features

First Floor Entry, Vaulted Ceiling(s), Walk-In Closet(s), Other

Appliances

Gas Range, Ice Maker

Flooring

Marble, Wood

Heating

Electric

Cooling

Central Air, Electric

Furnished

Furnished

Architectural Style

Detached, Two Story

Garage Spaces

0

Parking Features

Attached Carport, Driveway, On Street

Pool Features

In Ground

Pool Private

No

Year Built Details

New Construction

Property Condition

New Construction

Direction Faces

Southeast

Building & Association Facts — 544 Warren Ln, Key Biscayne, FL 33149

Building Name

TROPICAL ISLE HOMES SUB

Building Area Total

2229

Building Area Units

Square Feet

Association

No

Site, Views & Construction — 544 Warren Ln, Key Biscayne, FL 33149

Lot Features

Less Than 1/4 Acre Lot

Lot Size Square Feet

7,828

Waterfront

No

View

Garden, Pool

Construction Materials

Concrete Block Construction

Roof

Concrete

Exterior Features

Built-In Grill

Sewer

Public Sewer

Water Source

Municipal Water

New Construction

Yes

Tax & Parcel Record — 544 Warren Ln, Key Biscayne, FL 33149

Parcel Number

24-52-05-002-0160

Tax Annual Amount

$29,546

Tax Year

2,025

Tax Legal Description

5 55 42 TROPICAL ISLE HOMES SUB PB 50-64 LOT 1 BLK 3 LOT SIZE 77.500 X 101 73R-81592

Zoning

0100

County Or Parish

Miami-Dade County

Assigned Schools — 544 Warren Ln, Key Biscayne, FL 33149

Elementary School

Keybiscayne

Middle School

Ponce De Leon

High School

Mast Academy

As reported by the listing agent; confirm with the school district before relying on it.

On the Map