690 Warren Ln, Key Biscayne, FL 33149
As of , this 4 bedroom, 3 full and 1 half bath house is for sale at $5,378,000 ($1,515 per sq ft). It was listed on .
MLS data updated .
Key facts
- Type
- House
- Year built
- 2000
- Property tax
- $19,950 (2025)
- Parking
- 2 garage spaces
- View
- Other
- Waterfront
- No
- Cooling
- Central Air
- Heating
- Central
- MLS number
- A12010108
Listing information
Listing courtesy of One Sotheby's International Realty, 305-365-2811, MLS@onesothebysrealty.com
Listing agent: Brigitte Nachtigall, Brigitte@bnachtigall.com
BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright ©2026 BeachesMLS, Inc.
MIAMI MLS. Listing data from MIAMI MLS (South East Florida Regional MLS). Information is deemed reliable but not guaranteed.
Listing information is provided for consumers' personal, non-commercial use. It may not be used for any purpose other than to identify homes consumers may want to buy or rent.
Listing last changed .
From the listing
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.
The text above is the listing description from the MLS, as written by the listing agent.
The Key Biscayne market
As of , the median asking price in Key Biscayne is $2,235,000, or $1,141 per sq ft, across 147 listings for sale. The median listing for sale there has been on the market for 110 days.
Price and status history
- Listing date
- Days on market
- 174
- Original list price
- $5,478,000
- Price changes
- 1
| Date | Event | Price |
|---|---|---|
| Price changed | $5,478,000 → $5,378,000 | |
| Listed | $5,478,000 |
From the MLS. RealVista does not show sold prices.
