USAFLKey BiscayneTropical Isle Homes Sub544 Warren Ln

544 Warren Ln, Key Biscayne, FL

House

For Sale

Listed price in listed location currency (USD).

$8,000,000

662

MLS® A12079811

Overview

Key Facts

Type Single Family Residence

Levels Residential

Size 1044 sqft

Garage

Taxes $29,546

Days Active 11

Lot Size 7828 SF

Approx. Age 2026

Avg. Price Per Sqft $7,662

MLS® Number A12079811

Property Address: 544 Warren Ln, Key Biscayne, FL, 33149-1827

Average square foot calculated using Size range provided by listing agent.

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.

MLS® NumberA12079811

Laundry Level

Central VacNo

FireplaceNo

Acreage

Exterior

Garage

Approx. Age2026

Basement

DrivewayAttached Carport, Driveway, On Street

Garage Spaces

HeatElectric

A/CCentral Air, Electric

Extras

How Much House Can I Afford?

Home Estimate Zoopraisal®

This property is estimated to sell between: $5,208,000 and $9,396,000.

Similar properties in this area sold on average for: $5,208,000

Expected to sell in 171 days. Similar properties sold in 182 days. This home has been on Zoocasa for 11 days.

The estimated sale price does not take into account many variables such as recent renovations, type of appliances, school district etc. To get a more accurate estimate please contact agent.

Map

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