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.
For sale
$5,478,000
690 Warren Ln, Key Biscayne, FL 33149
4beds
3,549sqft
Single Family Residence
Built in 2000
8,010 Square Feet Lot
$5,122,300 Zestimate®
$1,544/sqft
$-- HOA
What's special
Stunning swimming poolPremium finishesAbundance of natural lightGraceful curved terracesRefined craftsmanshipFluid open spacesLush landscaping
- 154 days
- 202
- 11
Zillow last checked:
Listing updated:
Listed by:
Brigitte Nachtigall MLS@onesothebysrealty.com,
One Sotheby's International Realty,
Mark Chatburn 305-393-6032,
One Sotheby's International Realty
Source: MIAMI,MLS#: A12010108
Originating MLS: A-Miami Association of REALTORS
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 3
- 1/2 bathrooms: 1
Rooms
- Room types: Den/Library/Office
Heating
- Central
Cooling
- Central Air
Appliances
- Included: Dishwasher, Disposal, Dryer, Gas Range, Ice Maker, Microwave, Refrigerator, Trash Compactor, Oven, Washer
- Laundry: Laundry Room
Features
- Built-in Features, Closet Cabinetry, Kitchen Island, Volume Ceilings, Walk-In Closet(s)
- Flooring: Marble, Other, Wood
- Doors: High Impact Doors
- Windows: Complete Impact Glass, Blinds
Interior area
- Total structure area: 4,691
- Total interior livable area: 3,549 sqft
Video & virtual tour
Property
Parking
- Total spaces: 2
- Parking features: Driveway
- Garage spaces: 2
- Has uncovered spaces: Yes
Features
- Stories: 2
- Exterior features: Balcony
- Has private pool: Yes
- Pool features: In Ground, Pool Only
- Fencing: Fenced
- Has view: Yes
- View description: Other
Lot
- Size: 8,010 Square Feet
- Features: Less Than 1/4 Acre Lot
Details
- Parcel number: 2452050010790
- Zoning: 0100
Construction
Type & style
- Home type: SingleFamily
- Property subtype: Single Family Residence
Materials
- CBS Construction
- Roof: Aluminum,Flat Tile
Condition
- Year built: 2000
Utilities & green energy
- Sewer: Public Sewer
- Water: Municipal Water
Community & HOA
Community
- Features: Beach Club Member Available
- Security: Fire Sprinkler System, Smoke Detector
- Subdivision: Biscayne Key Estates
HOA
- Has HOA: No
Location
- Region: Key Biscayne
Financial & listing details
- Price per square foot: $1,544/sqft
- Tax assessed value: $3,062,152
- Annual tax amount: $19,950
- Date on market: 4/30/2026
- Listing terms: All Cash,Conventional
Estimated market value
$5,122,300
$4.87M - $5.38M
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 4/30/2026 | Listed for sale | $5,478,000+1535.2%$1,544/sqft |
Source: | ||
| 5/4/1998 | Sold | $335,000$94/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $20,781 +2.4% | $1,277,028 +2.9% |
| 2024 | $20,295 +1.3% | $1,241,038 +3% |
| 2023 | $20,030 +4.9% | $1,204,892 +3% |
| 2022 | $19,099 -0.2% | $1,169,799 +3% |
| 2021 | $19,130 +7% | $1,135,728 +1.4% |
| 2020 | $17,875 +2.1% | $1,120,048 +2.3% |
| 2019 | $17,502 +5.4% | $1,094,867 +1.9% |
| 2018 | $16,605 | $1,074,453 +2.1% |
| 2017 | $16,605 +1.3% | $1,052,354 +2.1% |
| 2016 | $16,391 -1.8% | $1,030,710 +0.7% |
| 2015 | $16,688 -1.5% | $1,023,546 +0.8% |
| 2014 | $16,948 +3.2% | $1,015,423 +1.5% |
| 2013 | $16,419 0% | $1,000,417 +1.7% |
| 2012 | $16,419 +2.3% | $983,695 +3% |
| 2011 | $16,048 -5.4% | $955,044 +1.5% |
| 2010 | $16,971 +8% | $940,931 +2.7% |
| 2009 | $15,714 +3.8% | $916,194 +6.1% |
| 2007 | $15,141 -6.7% | $863,621 |
| 2006 | $16,227 | -- |
| 2005 | $16,227 +2.9% | -- |
| 2004 | $15,764 +3.5% | -- |
| 2003 | $15,226 +127.8% | -- |
| 2002 | $6,682 | -- |
| 2001 | $6,682 | -- |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
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Neighborhood: 33149
Nearby schools
Schools provided by the listing agent
- Elementary: Keybiscayne
- Middle: Ponce De Leon
- High: Coral Gables
Source: MIAMI. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.






