MIAMI PRIMECondos

544 Warren Ln, Key Biscayne, FL 33149

$8,000,0006 Beds6 Baths1,044 Sq. Ft.$7,663 / sq. ft.

Key Biscayne, FL 33149 · TROPICAL ISLE HOMES SUB

Status
Active
Type
Single Family Residence
Year Built
2026
Days on Market
11
Lot Size
7,828 sqft
MLS #
A12079811
County
Miami-Dade County

Description of 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.

Property Details for 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 Information for 544 Warren Ln, Key Biscayne, FL 33149

Building Name
TROPICAL ISLE HOMES SUB
Building Area Total
2229
Building Area Units
Square Feet
Association
No

Property Information for 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

Public Records for 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

Schools Near 544 Warren Ln, Key Biscayne, FL 33149

Elementary School
Keybiscayne
Middle School
Ponce De Leon
High School
Mast Academy

School assignments are provided by the listing and should be independently verified.

Location

544 Warren Ln, Key Biscayne, FL 33149 · More homes in Key Biscayne

Courtesy of Duncan Studio Real Estate Division PLLC

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More information about 544 Warren Ln, Key Biscayne, FL 33149

544 Warren Ln is a single family home for sale in Key Biscayne, FL 33149. This property was listed for sale on August 29, 2026 by Duncan Studio Real Estate Division PLLC, it's currently listed at $8,000,000. This listing's school district is Miami-Dade County Public Schools. Nearby schools include Keybiscayne, Ponce De Leon and Mast Academy. 544 Warren Ln is a 6-bed, 6-bath, 1,044 sqft single family home built in 2026.