690 Warren Ln, Key Biscayne, FL 33149
FOR SALE

690 Warren Ln
Key Biscayne, FL 33149

  • 4 Beds
  • 3.5 Baths
  • 3,549 sqft

$5,478,000

Est. Mortgage $35,572/mo*
Get Pre-Qualified

$5,478,000

Est. Mortgage $35,572/mo*
Get Pre-Qualified
4 Beds
3.5 Baths
3,549 sqft

Local Information

Map showing home location
© Google
-- mins to
Commute Destination

Description

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.

Home Highlights

Parking
Garage
Outdoor
Pool
View
Other
HOA
None
Price/Sqft
$1,544
Listed
36 days ago

Home Details for 690 Warren Ln

Interior Features

Beds & Baths
Number of Bedrooms: 4Number of Bathrooms: 4Number of Bathrooms (full): 3Number of Bathrooms (half): 1
Dimensions and Layout
Living Area: 3549 Square Feet
Appliances & Utilities
Appliances: Trash Compactor, Dishwasher, Disposal, Dryer, Ice Maker, Microwave, Gas Range, Refrigerator, Oven, WasherDishwasherDisposalDryerLaundry: Laundry RoomMicrowaveRefrigeratorWasher
Heating & Cooling
Heating: CentralHas CoolingAir Conditioning: Central AirHas HeatingHeating Fuel: Central
Windows, Doors, Floors & Walls
Window: Complete Impact Glass, BlindsDoor: High Impact DoorsFlooring: Marble, Other, Wood
Levels, Entrance, & Accessibility
Stories: 2Floors: Marble, Other, Wood
View
Has a ViewView: Other
Security
Security: Fire Sprinkler System, Smoke Detector

Exterior Features

Exterior Home Features
Roof: Aluminum Flat TileFencing: FencedExterior: BalconyHas a Private Pool
Parking & Garage
Number of Garage Spaces: 2Number of Covered Spaces: 2Has a GarageHas Open ParkingParking Spaces: 2Parking: Driveway
Pool
Pool: In Ground, Pool OnlyPool
Frontage
Not on Waterfront
Water & Sewer
Sewer: Public Sewer
Farm & Range
Not Allowed to Raise Horses
Surface & Elevation
Elevation Units: Feet

Days on Market

Days on Market: 36

Property Information

Year Built
Year Built: 2000
Property Type / Style
Property Type: ResidentialProperty Subtype: Single Family ResidenceStructure Type: House, AttachedArchitecture: House,Attached
Building
Building Name: Biscayne Key EstatesConstruction Materials: CBS Construction
Property Information
Parcel Number: 2452050010790

Price & Status

Price
List Price: $5,478,000Price Per Sqft: $1,544
Status Change & Dates
Possession Timing: Funding

Active Status

MLS Status: Active

Location

Direction & Address
City: Key BiscayneCommunity: Biscayne Key Estates
School Information
Elementary School: KeybiscayneJr High / Middle School: Ponce De LeonHigh School: Coral Gables

Agent Information

Listing Agent
Listing ID: A12010108

Building

Building Area
Building Area: 4691 Square Feet

Community

Community Features: Beach Club Member Available

HOA

Association for this Listing: A-Miami Association of REALTORSNo HOA

Lot Information

Lot Area: 8010 sqft

Offer

Listing Terms: All Cash, Conventional

Miscellaneous

Mls Number: A12010108Attribution Contact: MLS@onesothebysrealty.com

Additional Information

Beach Club Member AvailableSource Internet Entire Listing Display
Last check for updates: about 16 hours ago
Listing courtesy of Brigitte Nachtigall
One Sotheby's International Realty
Mark Chatburn, (305) 393-6032
One Sotheby's International Realty
Originating MLS: A-Miami Association of REALTORS
Source: MIAMI, MLS#A12010108
Also Listed on MIAMI.

Market trends in Key Biscayne

Last updated April 2026
Buyer'sMarketSeller'sMarket
Avg. sale price
—
Sale-to-List Price
—
Price per sq ft
—
Available listings
165
11MoM

Price History for 690 Warren Ln

DatePriceEventSource
04/30/2026$5,478,000Listed For SaleMIAMI #A12010108
05/04/1998$335,000Sold
N/A

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Property Tax and Assessment

Year2025
Tax$20,781
Assessment$3,062,152
Home facts updated by county records

Comparable Sales for 690 Warren Ln

Address
Distance
Property Type
Sold Price
Sold Date
Bed
Bath
Sqft
600 Allendale Rd, Key Biscayne, FL
0.10
Single-Family Home
$3,500,000
01/16/26
4
3.5
2,775
760 Glenridge Rd, Key Biscayne, FL
0.23
Single-Family Home
$625,000
04/09/26
6
6
4,142
677 Hampton Ln, Key Biscayne, FL
0.08
Single-Family Home
$3,125,000
03/09/26
5
3.5
2,429
650 Warren Ln, Key Biscayne, FL
0.04
Single-Family Home
$6,350,000
07/31/25
5
5.5
3,525
465 Hampton Ln, Key Biscayne, FL
0.28
Single-Family Home
$4,475,000
04/10/26
4
3.5
3,666
345 Harbor Ln, Key Biscayne, FL
0.13
Single-Family Home
$3,450,000
07/21/25
4
3
3,004
561 Allendale Rd, Key Biscayne, FL
0.17
Single-Family Home
$3,726,000
07/07/25
4
3
2,473
670 Allendale Rd, Key Biscayne, FL
0.05
Single-Family Home
$3,475,000
01/27/26
5
4.5
2,320
200 W McIntyre St, Key Biscayne, FL
0.16
Single-Family Home
$3,700,000
01/27/26
5
5
3,962

Nearby homes

Get a sense of prices in the area by checking nearby homes.
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Assigned Schools

These are the assigned schools for 690 Warren Ln.
View nearby schools on GreatSchools
The GreatSchools Rating compares schools on a variety of school quality indicators including test scores, college readiness, equity and more. Learn more.

What Locals Say about Key Biscayne

At least 116 Trulia users voted on each feature.

  • 94 % Say it's walkable to grocery stores

  • 94 % Say kids play outside

  • 90 % Say it's dog friendly

  • 90 % Say it's walkable to restaurants

  • 85 % Say people would walk alone at night

  • 85 % Say there are sidewalks

  • 80 % Say there's holiday spirit

  • 79 % Say it's quiet

  • 76 % Say they plan to stay for at least 5 years

  • 68 % Say parking is easy

  • 67 % Say streets are well-lit

  • 60 % Say there are community events

  • 58 % Say neighbors are friendly

  • 54 % Say yards are well-kept

  • 52 % Say there's wildlife

  • 50 % Say car is needed

Sourced by Trulia users. Learn more about our methodology.
  • Othoniel Marlieri
    "Key Biscayne os a perfect place to leave, but need more attention about basic things like a Super Market and safe environment. "
    0
    Flag
  • Mariafedc
    "There are lots of places that are dog friendly. There’s a dog park. Many dog owners live in the area. "
    0
    Flag
  • Lladom
    "Very safe and friendly community. Excellent for growing up kids. Traffic is the downside. Best town in South Florida by large."
    0
    Flag
  • Ericazc
    "Christmas, 4th of July, and many other beautiful family events happens in the island. Great place for the kids. "
    1
    Flag
  • Deborah B.
    "Have been spending winters here for 53 years. Love the family focus, beautiful beaches and public amenities. Thoughtful services like free Freebee pick ups and transportation to shopping make the Key accessible for teens to seniors. "
    0
    Flag
  • Mati P.
    "Its beautiful, peaceful and safe. I feel great living here. It’s lush, people are friendly, and respectful. It’s a great place to raise a family. The community is very pretty, Gardenia are manicured. There’s beautiful beaches and gorgeous homes. The school is pretty good as well. "
    1
    Flag
  • Ayishamartins
    "Some places do not allow dogs but there is a dog park weather like a bunch of dogs and mostly it’s pretty nice"
    1
    Flag
  • Mati P.
    "This is a safe neighborhood, kids walk by themselves all the time. It makes me feel safe to life here. "
    0
    Flag
  • Luis D.
    "Halloween’s decoration and fully of events in that day. Many sports in Village green. The community center has many events for all the family "
    0
    Flag
  • Adrian.grottola
    "Very friendly for pets (dogs) with great special spaces for them and many dog walkers in the island."
    0
    Flag
  • Mathew P.
    "The unity and the sense of community. The safety and sense of family oriented households that attribute to a beautiful place to live. "
    0
    Flag
  • Ivan M.
    "Save and quite perfect place for a family. There are as a public transportation electric’s cars around the island. "
    1
    Flag
  • Mayra
    "Great neighborhood! They celebrate Halloween, Christmas, Easter and much more! A lot of activities and sports for kids"
    0
    Flag
  • Efrao
    "Great place to live and I don’t commute everything is close by and i walk to work. Public transportation is great "
    0
    Flag
  • Kikisammataro
    "Halloween is a big event. Saturday has a farmers market. Kids are safe. Many schools and parks. Including dog park. "
    0
    Flag
  • Mayra
    "This is a very safe family neighborhood. Kids run freely and there’s a lot of activities for them. The school is great but the classrooms have more students than it should."
    0
    Flag
  • Ljsklein
    "My building is dog friendly. It seems like most of the people have dogs and love to walk them. We all clean up after our dogs. There’s poop bags in containers around the building with a place to dispose of them. There is also a dog park on the Key. "
    0
    Flag
  • Maria
    "I don’t have dogs. There’s a very nice dog park right next to the green field. Dogs are not allowed in the field, that is why they have their dog park, but the many owners don’t follow the rules which is very annoying. Most of all when you get the smell when exercising...."
    0
    Flag
  • Fabio
    "Great Place to leave. Good people, privacy, no crime. Walkable area, beach access, wide kind of services. Thanks "
    0
    Flag
  • Dani.montenegro
    "I can’t give my opinion because I don’t have dogs, cat or any other pet. And there are many dog owners in KB but most of them are not very respectful with people who don’t. "
    0
    Flag
  • Dcas
    "Great area for kids and young families. Very safe neighborhood and extremely easy to walk or ride a bike anywhere "
    0
    Flag
  • Kiragrossman
    "They would absolutely love the dog park. There are two sides for bigger dogs and smaller dogs. Everyone is very friendly "
    0
    Flag
  • Kiragrossman
    "This is a Great place to live. The neighborhoods are safe and it’s a great location. Great for children. Good restaurants shops"
    0
    Flag
  • Sandra S.
    "I love this neighborhood, I have everything I need is quiet and safe, walk to most places and has two state parks"
    1
    Flag
  • Kimbokak
    "Friendly, kind neighbors, close to everything, and safe. You can do pretty much everything on the island, but it is more expensive."
    1
    Flag
  • Garandrew
    "I am visiting for vacations and love this place. Nice neighborhood and friendly people. Very likely I will recommend it to my friends and family. "
    0
    Flag
  • Thengea
    "If you don't have to commute out of the island it's wonderful. Otherwise, every event causes so much traffic. Living on an island is a blessing but the peoole really don't say hello or even make eye contact at the stores or parks :/"
    0
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LGBTQ Local Legal Protections

Brigitte Nachtigall, One Sotheby's International Realty
IDX information is provided exclusively for personal, non-commercial use, and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is deemed reliable but not guaranteed.
690 Warren Ln, Key Biscayne, FL 33149 is a 4 bedroom, 4 bathroom, 3,549 sqft single-family home built in 2000. This property is currently available for sale and was listed by MIAMI on Apr 30, 2026. The MLS # for this home is MLS# A12010108.