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Current MLS Property Details

690 Warren Lane, Key Biscayne, FL 33149

Key Biscayne, FL, 33149
690 Warren Lane, Key Biscayne, FL 33149

About This Property

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 Details

Property Type Single Family Residence
Subdivision BISCAYNE KEY ESTATES
Development BISCAYNE KEY ESTATES
County Miami-Dade
Waterfront No
Private Pool Yes
Original List Price $5,478,000
MLS ID A12010108
Updated Jun 8, 2026
Quick Payment Estimate

What might this home cost each month?

Starting rate: 6.66% 30 year fixed national average · updated Aug. 27, 2026
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%
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$ /mo
Estimated principal & interest $0/mo
P&I + HOA / condo $0/mo
Taxes, insurance, flood coverage and PMI are not included here. Rate is editable and is not a lender quote.
Listing Office: One Sotheby's International Realty • 305-365-2811
Listing Agent: Brigitte Nachtigall • 305-710-9664
MLS ID: A12010108
Property information is displayed from the site's BeachesMLS IDX data feed. Information is subject to change and should be independently verified.
Property Location

Where is this property?

690 Warren Lane, Key Biscayne, FL 33149 · Key Biscayne, FL, 33149
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