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Veronika HorshteynMiami Luxury Real Estate
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690 Warren Ln, Key Biscayne FL 33149, photo 1 of 39

$5,378,000

690 Warren Ln, Key Biscayne FL 33149

4 beds · 3.5 baths · 3,549 sq ft · Single Family Residence · Active

MLS# A12010108 · Listing courtesy of One Sotheby's International Realty

Facts

Bedrooms
4
Bathrooms
3 full, 1 half
Living area
3,549 sq ft
Price per sq ft
$1,515
Lot
8,010 sq ft
Type
Single Family Residence
Year built
2000
Exposure
East
Parking
2 garage spaces
Taxes
$19,950 (2025)
Listed
Apr 30, 2026

About this residence

A truly exceptional Miami Modern Tropical residence set on a prime 8,010 SF corner lot, offering 3,549 SF of beautifully curated living space with 4 bedrooms and 3.5 bathrooms. Designed by architect Hervin Romney, a founding member of Arquitectonica, the home reflects a distinctive architectural vision inspired by the organic principles of Frank Lloyd Wright and the expressive forms of Antoni Gaudí, where art, design, and nature seamlessly converge. This residence captivates with its abundance of natural light, soaring high ceilings, fluid open spaces, and harmonious lines that create a sense of warmth, sophistication, and effortless flow throughout the main living areas. The beautifully remodeled kitchen and bar are a true centerpiece, featuring high-end appliances, premium finishes, refined craftsmanship, and a design that balances functionality with striking aesthetics. Step outside into your own private tropical retreat, where lush landscaping, graceful curved terraces, and a stunning swimming pool create an atmosphere of tranquility and escape. This outdoor sanctuary is perfect for both relaxation and entertaining. As an added privilege, the property includes membership to the Key Biscayne Beach Club, offering exclusive access to one of Miami’s most coveted coastal lifestyles. Key Biscayne is renowned for its pristine beaches, charming restaurants, and vibrant yet relaxed atmosphere—delivering a true island lifestyle just minutes from the city.

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Location

690 Warren Ln, Key Biscayne FL 33149Open in Google Maps

Placed from the listing’s coordinates in the MLS. The street map loads from OpenStreetMap when opened. Coastline © OpenStreetMap contributors.

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The data relating to real estate for sale on this web site comes in part from the participating Associations/MLSs and Miami Association of Realtors. The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.

Listing data last updated 10/21/2026, 6:00:57 AM ET.

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