$5,478,000

690 Warren Ln Key Biscayne, FL 33149

Estimated payment $31,337/month

Total Views 7,533
4 Beds
3.5 Baths
3,549 Sq Ft
$1,544 Price per Sq Ft

Highlights

  • In Ground Pool
  • Marble Flooring
  • High Ceiling
  • Key Biscayne K-8 Center Rated A-
  • Outdoor Living Area
  • No HOA

About This Home

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.

Listing Agent

Brigitte Nachtigall

One Sotheby's International Realty License #0542022 Listed on: 04/30/2026

One Sotheby's International Realty

Co-Listing Agent

Mark Chatburn

One Sotheby's International Realty License #3488011

Home Details

Home Type

  • Single Family

Est. Annual Taxes

  • $19,950

Year Built

  • Built in 2000

Lot Details

  • 8,010 Sq Ft Lot
  • East Facing Home
  • Fenced
  • Property is zoned 0100

Parking

  • 2 Car Garage
  • Driveway

Home Design

  • Flat Roof Shape
  • Tile Roof
  • Aluminum Roof

Interior Spaces

  • 3,549 Sq Ft Home
  • 2-Story Property
  • Built-In Features
  • High Ceiling
  • Blinds
  • Formal Dining Room

Kitchen

  • Oven
  • Gas Range
  • Microwave
  • Ice Maker
  • Dishwasher
  • Kitchen Island
  • Trash Compactor
  • Disposal

Flooring

  • Wood
  • Marble

Bedrooms and Bathrooms

  • 4 Bedrooms
  • Closet Cabinetry
  • Walk-In Closet
  • Bidet
  • Dual Sinks
  • Separate Shower in Primary Bathroom
  • Soaking Tub

Laundry

  • Dryer
  • Washer

Home Security

  • Fire and Smoke Detector
  • Fire Sprinkler System

Outdoor Features

  • In Ground Pool
  • Balcony
  • Open Patio
  • Outdoor Living Area

Schools

  • Key Biscayne K-8 Elementary School
  • Ponce De Leon Middle School
  • Coral Gables High School

Utilities

  • Central Heating and Cooling System

Community Details

  • No Home Owners Association
  • Biscayne Key Estates Subdivision

Listing and Financial Details

  • Assessor Parcel Number 2452050010790

Home Details

Home Type

Single Family

Est. Annual Taxes

$19,950

Year Built

Built in 2000

Lot Details

8,010 Sq Ft Lot

Parking

2

Listing Details

  • Prop. Type: Residential
  • Property Sub Type: Single Family Residence
  • Property Sub Type Additional: Single Family Residence
  • Year Built: 2000
  • Unit Levels: Two
  • Building Stories: 2
  • DelayedMarketingYN: No
  • Special Features: None
  • Stories: 2

Interior Features

  • Interior Amenities: Bidet, Built-in Features, Bathtub, Closet Cabinetry, Dining Area, Separate/Formal Dining Room, Dual Sinks, High Ceilings, Kitchen Island, Soaking Tub, Separate Shower, Upper Level Primary, Walk-In Closet(s)
  • Appliances: Dryer, Dishwasher, Disposal, Gas Range, Ice Maker, Microwave, Oven, Refrigerator, Trash Compactor, Washer
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Flooring: Marble, Other, Wood
  • Living Area: 3549.0
  • Stories: 2
  • Window Features: Blinds

Exterior Features

  • Exterior Features: Balcony, Outdoor Living Area
  • View: Other
  • Fencing: Fenced
  • Pool Features: In Ground
  • Pool Private: Yes
  • View: Yes
  • Waterfront: No
  • Construction Type: Block
  • Direction Faces: East
  • Patio And Porch Features: Open, Balcony
  • Roof: Aluminum, Flat, Tile

Garage/Parking

  • Covered Parking Spaces: 2.0
  • Garage Spaces: 2.0
  • Garage Yn: Yes
  • Parking Features: Driveway

Utilities

  • Security: Fire Sprinkler System, Smoke Detector(s)
  • Cooling: Central Air
  • Cooling Y N: Yes
  • Heating: Central
  • Heating Yn: Yes
  • Sewer: Public Sewer
  • Water Source: Public

Condo/Co-op/Association

  • Senior Community: No
  • Amenities: Beach Rights
  • Association: No

Schools

  • Elementary School: Key Biscayne K-8
  • High School: Coral Gables
  • Middle Or Junior School: Ponce De Leon

Lot Info

  • Parcel #: 2452050010790
  • Lot Size Acres: 0.18
  • Mobile Dim Units: Feet
  • Zoning: 0100

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 19950.0

Map

Range of Values:

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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Year Tax Paid Tax Assessment Tax Assessment Total Assessment is a certain percentage of the fair market value that is determined by local assessors to be the total taxable value of land and additions on the property. Land Improvement
2025 $20,781 $1,277,028 -- --
2024 $20,030 $1,241,038 -- --
2023 $20,030 $1,204,892 $0 $0
2022 $19,099 $1,169,799 $0 $0
2021 $19,130 $1,135,728 $0 $0
2020 $17,875 $1,120,048 $0 $0
2019 $17,502 $1,094,867 $0 $0
2018 $16,605 $1,074,453 $0 $0
2017 $16,391 $1,052,354 $0 $0
2016 $16,453 $1,030,710 $0 $0
2015 $16,688 $1,023,546 $0 $0
2014 $16,948 $1,015,423 $0 $0
Source: Public Records

Property History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Event Price List to Sale Price per Sq Ft
04/30/2026 04/30/26 For Sale $5,478,000 -- $1,544 / Sq Ft
Source: BeachesMLS (Greater Fort Lauderdale)

Purchase History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Type Sale Price Title Company
Warranty Deed $335,000 --
Source: Public Records

Mortgage History

We collect this data history from publicly available records. To have your information removed, we recommend requesting removal directly through your county’s website.

Date Status Loan Amount Loan Type
Open $415,000 New Conventional
Source: Public Records

Source: BeachesMLS (Greater Fort Lauderdale)

MLS Number: A12010108

BeachesMLS (Greater Fort Lauderdale)

APN: 24-5205-001-0790

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