544 Warren Ln

6-bedroom house for sale in Key Biscayne

$8,000,000

Beds

Baths

Living Area

1044 Sq. Ft

Price per Sq. Ft.

$7663

Living Area м²

97 м²

Price per м²

$ 82 482

Overview:

Living Area 1044 Sq. Ft.

Living Area м² 97 м²

Days On Market 4

Tax Annual Amount 29546

Furnished? Furnished

Year Build 2026

MLS# A12079811

Description:

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 Features:

Address

FL, Key Biscayne

Street Name

Warren Ln

Street Number

544

Property Type

Residential / Single Family Residence

View

Garden, Pool

Window Features

Impact Glass

Architectural Style

Detached, TwoStory

Flooring

Hardwood, Marble, Wood

Cooling

Central Air, Electric

Last Modification

2026-08-29 21:00:55

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Exterior Features

Security High Impact Doors
OutdoorGrill
Porch

Interior Features

BedroomOnMainLevel
FirstFloorEntry
Fireplace
VaultedCeilings
WalkInClosets

Appliances

GasRange
IceMaker

Parking Features

AttachedCarport
Driveway
OnStreet

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