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Active - House for sale
690 Warren Ln, Key Biscayne FL 33149
Facts & features
Why you’ll love it
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.
Listings courtesy of One Sotheby's International Realty.
Listed by: Brigitte Nachtigall • 305-710-9664 • One Sotheby's International Realty
Co-listed by: Mark Chatburn • 305-710-9664 • One Sotheby's International Realty
Source: Miami MLS, MLS#: A12010108
Based on info available as of Nov 12, 2026 at 7:10 PM EST.
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Affordability
$28,857/mo
- Mortgage$27,194
- Property tax$1,663
- HOA fee
- Homeowners insurance
Beycome estimates only. Actual amounts and terms vary by lender and location.
$107,560 Credit back
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About Biscayne Key Estates
This local overview has been generated by Artur AI, for informational purposes only. Please verify all details independently before relying on it.
Disclaimer
No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of descriptions or measurements.
Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions.
Offers of compensation are subject to change at the discretion of the seller. No financial or legal advice provided.
Copyright ©2026.
Based on information as of Nov 12, 2026 at 07:10pm EST.
Make a winning offer, and get up to
$107,560 Credit back
