690 Warren Lane — principal view

Maison Azure — private collection

690 Warren Lane

$5,478,000

Key Biscayne, FL

4 bd · 4 ba · 3,549 sf

Bedrooms
4
Bathrooms
4
Living area
3,549 sf
Lot
0.18 ac
Built
2000
Garage
2 cars
Price / sq ft
$1,544

The 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.

Distinctions

Interior

  • Built-in Features
  • High Ceilings
  • Kitchen Island
  • Walk-In Closet(s)
  • Closet Cabinetry

Exterior

  • Balcony

Club & amenities

  • Beach Club Available

Parking

  • Driveway

The community

Biscayne Key Estates

Market stats, every listing & what homes here are worth →

The setting

Map loading…

Presented by

One Sotheby's International Realty · Brigitte Nachtigall

Tour this residence privately with Maison Azure — market analysis of Biscayne Key Estates included, no obligation.

Selling in Biscayne Key Estates? See what your home is worth →

Comparable residences

Listing courtesy of One Sotheby's International Realty · Brigitte Nachtigall

Listing information is provided by BeachesMLS via the Spark Platform. All information is deemed reliable but not guaranteed and should be independently verified. Properties may or may not be listed by the office/agent presenting the information.

Last updated 2026-06-08