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Key Biscayne · Miami-Dade County

690 Warren Ln, Key Biscayne FL 33149

Key Biscayne, FL 33149 · MLS #A12010108

$5,478,000

For sale
4 bedrooms3.5 bathrooms3,549 sq ft

Listing courtesy of One Sotheby's International Realty

Listing agent: Brigitte Nachtigall · MLS@onesothebysrealty.com

About this home

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.

Property type
Single Family Residence
Year built
2000
Lot size
8,010 sq ft
Waterfront
No
Pool
Yes
New construction
No
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Listing updated 9/14/2026, 2:38:32 PM Eastern. Feed checked 9/24/2026, 10:20:17 PM Eastern.

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