$5,478,000

690 Warren Ln Key Biscayne, FL 33149

Estimated payment $30,706/month

4 Beds
3.5 Baths
3,549 Sq Ft
$1,544 Price per Sq Ft

Highlights

  • In Ground Pool
  • Vaulted Ceiling
  • No HOA
  • Key Biscayne K-8 Center Rated A-
  • Marble Flooring
  • Den

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 Brokerage Email: MLS@onesothebysrealty.com License #0542022 Listed on: 04/30/2026

One Sotheby's International Realty

Co-Listing Agent

Mark Chatburn

One Sotheby's International Realty Brokerage Email: MLS@onesothebysrealty.com 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
  • Open Parking

Home Design

  • Flat Tile Roof
  • Aluminum Roof
  • Concrete Block And Stucco Construction

Interior Spaces

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

Kitchen

  • Built-In Oven
  • Gas Range
  • Microwave
  • Ice Maker
  • Dishwasher
  • Cooking Island
  • Trash Compactor
  • Disposal

Flooring

  • Wood
  • Marble

Bedrooms and Bathrooms

  • 4 Bedrooms
  • Primary Bedroom Upstairs
  • Closet Cabinetry
  • Walk-In Closet
  • Bidet
  • Dual Sinks
  • Separate Shower in Primary Bathroom
  • Primary Bathroom includes a Walk-In Shower

Laundry

  • Laundry in Utility Room
  • Dryer
  • Washer

Home Security

  • Complete Impact Glass
  • High Impact Door
  • Fire and Smoke Detector
  • Fire Sprinkler System

Outdoor Features

  • In Ground Pool
  • Balcony

Schools

  • Keybiscayne Elementary School
  • Ponce De Leon Middle School
  • Coral Gables High School

Utilities

  • Central Heating and Cooling System

Listing and Financial Details

  • Assessor Parcel Number 24-52-05-001-0790

Community Details

Overview

  • No Home Owners Association
  • Biscayne Key Estates Subdivision

Recreation

  • Beach Club Membership Available

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

  • Property Type: Residential
  • Year Built: 2000
  • Property Sub Type: Single Family Residence
  • Architectural Style: Attached, Two Story
  • Co List Office Mls Id: OSIR04
  • Co List Office Phone: 305-365-2811
  • Garage Yn: Yes
  • Horses: No
  • New Construction: No
  • Structure Type: Pool Only, House
  • Subdivision Name: BISCAYNE KEY ESTATES
  • Year Built Details: Effective Year Built
  • MIAMIRE_PoolYN: Yes
  • MIAMIRE_MembershipPurchRqdYN: No
  • Attribution Contact: MLS@onesothebysrealty.com
  • CurrentPrice: 5478000
  • InternetRemarks: Miami Modern Tropical residence set on a 8,010 sq ft corner lot, offering 3,549 SF of beautifully curated living space with 4 beds and 3.5 baths.
  • ShowingTimeFlag: No
  • Special Features: None

Interior Features

  • Appliances: Trash Compactor, Dishwasher, Disposal, Dryer, Ice Maker, Microwave, Gas Range, Refrigerator, Wall Oven, Washer
  • Interior Amenities: Built-in Features, Closet Cabinetry, Cooking Island, Fire Sprinklers, Volume Ceilings, Walk-In Closet(s), Den/Library/Office, Utility Room/Laundry
  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Door Features: High Impact Doors
  • Flooring: Marble, Other, Wood
  • Living Area: 3549
  • Window Features: Complete Impact Glass, Blinds
  • Bedroom Features: Primary Bath Shower, Primary Bedroom Upstairs
  • Dining Room Features: Formal Dining
  • Living Room Features: Den/Library/Office, Utility Room/Laundry
  • Master Bathroom Features: Bidet, Dual Sinks, Separate Tub & Shower

Exterior Features

  • Roof: Aluminum, Flat Tile
  • View: Other
  • Exterior Features: Open Balcony
  • Construction Type: CBS Construction
  • Direction Faces: East
  • Fencing: Fenced
  • Lot Features: Less Than 1/4 Acre Lot
  • Patio And Porch Features: Open Balcony
  • Pool Features: In Ground
  • Pool Private: No
  • View: Yes
  • Waterfront: No

Garage/Parking

  • Park Building Name: BISCAYNE KEY ESTATES
  • Covered Parking Spaces: 2
  • Garage Spaces: 2
  • Open Parking: Yes
  • Parking Features: Driveway

Utilities

  • Sewer: Public Sewer
  • Water Source: Municipal Water
  • Cooling: Central Air
  • Cooling Y N: Yes
  • Heating: Central
  • Heating Yn: Yes
  • Laundry Features: Utility Room/Laundry
  • Security: Fire Sprinklers, Smoke Detector

Condo/Co-op/Association

  • Association: No
  • Community Features: Beach Club Member Available

Association/Amenities

  • MIAMIRE_TypeofAssociation: None

Schools

  • Elementary School: Keybiscayne
  • High School: Coral Gables
  • Middle Or Junior School: Ponce De Leon

Lot Info

  • Parcel Number: 24-52-05-001-0790
  • Lot Size Sq Ft: 8010
  • Zoning: 0100

Tax Info

  • Tax Year: 2025
  • Tax Annual Amount: 19950

Map

Range of Values:

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Value Increase
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Home Values in the Area

Source: Public Records

Average Home Value in this Area





Source: Public Records

Tax History

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 $20,295 $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

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: MIAMI REALTORS® MLS

Purchase History

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

Mortgage History

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

Source: MIAMI REALTORS® MLS

MLS Number: A12010108

MIAMI REALTORS® MLS

APN: 24-5205-001-0790

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