$5,378,000

690 WARREN LN #33149, KEY BISCAYNE, FL 33149

4 beds3.5 baths3,549 sq ftHouseBuilt 2000
Updated today, November 3, 2026

This home against Key Biscayne

$1,515 per sq ft, 25% over the Key Biscayne median
189 days on the market
Price cut $100,000 since it was listed at $5,478,000
$19,950 in property taxes (2025)
7,841 sq ft lot
Private pool
2 car garage

Key Biscayne today: 129 homes for sale, median list price $2,725,000.

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.

Zoned schools

Elementary: Key Biscayne K-8 Center
Middle: Ponce de Leon Middle School
High: Coral Gables Senior High School

From Miami-Dade County Public Schools attendance zones.

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

Listing information is provided by the MLS and is deemed reliable but not guaranteed.

Listed April 28, 2026.

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