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Pinnacle Real Estate Group – FL

524 Warren Lane, Key Biscayne, FL 33149 (MLS# A11999112)

524 Warren Lane, Key Biscayne, FL 33149

$3,730,000
Property Type: Residential Bedrooms: 5 Baths: 4 Square Footage: 2,740 Status: Active
Current Price: $3,730,000 List Date: 8/17/2026 Last Modified: 9/09/2026

Overview

Description

Located in one of the most exclusive residential pockets of Key Biscayne, surrounded by multi-million-dollar estates, this beautifully designed 5-bedroom, 4 full bathroom home offers the perfect balance of privacy, functionality, and tropical lifestyle.The layout is thoughtfully distributed with a private primary suite on one side, a separate nanny/guest suite with its own bathroom, and a dedicated wing for the children’s bedrooms—ideal for both family living and entertaining.Just steps from top-rated schools and only 10 minutes from the beach, the property features a stunning outdoor space with a resort-style pool and a charming tiki bar, creating the ultimate South Florida oasis.A rare opportunity to own in a highly sought-after neighborhood where surrounding homes reach $10M+.

Listing Details MLS# A11999112

General Property Information

Property Sub Type
Single Family Residence
Bedrooms Total
5
Bathrooms Total
4
Bathrooms Full
4
Building Area Main
2740
Living Area Main
2700
Adjusted Area Main
2713
Year Built
1950
Garage YN
Yes
Garage Spaces
Yes
Covered Spaces
Yes
Lot Size Area
8136
Lot Size Acres
0.19
Senior Community YN
No
Outdoor Living Spaces YN
Yes
Direction Faces
Southwest
Pool Private YN
Yes

Property Features

Dining Area: Formal Dining Electric: Circuit Breakers Exterior Features: Barbecue; Lighting Flooring: Concrete Foundation Details: Slab Guest House Features: 1 Bath; 1 Bedrooms Leasing Permitted Details: Okay To Lease Parking Features: Circular Driveway; Golf Cart Garage Property Condition: Resale Appliances: Dishwasher; Dryer; Electric Range; Gas Range; Ice Maker; Microwave; Oven; Washer Water Heater Details: Electric Water Heater; Gas Water Heater Architectural Style: Other Construction Materials: Block; Pre-Cast Concrete Construction Cooling: Ceiling Fan(s); Central Air Fencing: Fenced Heating: Central Interior Features: Central Vacuum; Dome Kitchen Laundry Features: In Garage Listing Terms: Cash; Conventional Pets Allowed YN: Yes Pets Allowed: Pet Restrictions Possible Pool Features: Concrete; Gunite; In Ground Possession: Close Of Escrow Roof: Barrel Sewer: Public Sewer Special Information: Sold As-Is View: Garden Water Access: Deeded Beach Access Water Source: Public; Other Showing Requirements: 24 Hour Notice Outdoor Living Spaces: Patio Room Types: Family Room; Maid/In-Law Quarters Acreage Description: 1/2 To Less Than 1 Acre Lot

Contract Information

Comp Sale YN
No
Original List Price
3850000
Occupant Type
Owner

Location and Legal

Country
United States
County Or Parish
Miami-Dade
County Parish Name
Miami-Dade
Street Number
524
Street Name
Warren
Street Suffix
Lane
City Name
Key Biscayne
Municipal Code
24
State Or Province
FL
Postal Code
33149
Postal Code +4
1827
Postal Zip
33149
Subdivision Name
TROPICAL ISLE HOMES SUB 1
Area
2520
Elementary School
Key Biscayne K-8
Middle Or Junior School
Ponce De Leon
High School
Coral Gables
Special Assessment YN
No
Parcel Number
2442320040220
Subdivision Number
4
Zoning
0100
Flood Zone
AE

Financial Information

Membership Fee Required YN
No
Tax Annual Amount
22265
Tax Year
2025
Tax Legal Description
TROPICAL ISLE HOMES SUB 1ST ADDN PB 50-72 LOT 28 BLK 3 LOT SIZE 81.360 X 100 OR 9816-2200

Status Change Information

Major Change Timestamp
2026-08-17T14:19:37Z
Major Change Type
Back on Market
Price Change Timestamp
2026-06-16T15:56:42Z
Status Change Date
2026-08-17

More Information

Leasing Permitted Details

Leasing Permitted YN
Yes

Pool Size Details

Pool Size (WxL)
50x30

Price Calculations

Current Price To SqFt
1381.48

Section Details

Parcel Number MLX
0220

Originating Details

Originating System Key
452825021
Originating System ID
M00000151

Room Information

Room Name
Family Room
Maid/In-Law Quarters
IDX
Listing Office: Serhant
Last Updated: September - 09 - 2026
This information is not verified for authenticity or accuracy and is not guaranteed and may not reflect all real estate activity in the market. Copyright 2026 Beaches Multiple Listing Service, Inc. All rights reserved. Information Not Guaranteed and Must Be Confirmed by End User. Site contains live data.

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