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MLS #A11999112 image #0
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+.
Current real estate data for Single Family in Key Biscayne as of Nov 07, 2026
44
Single Family Listed
145
Avg DOM
2,748
Avg $ / SqFt
$14,631,273
Avg List Price
Listing Provided Courtesy of Serhant at 646-480-7665

Property Details

Price:
$3,690,000
MLS #:
A11999112
Status:
Active
Beds:
5
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
TROPICAL ISLE HOMES SUB 1
Neighborhood:
2520
Listed Date:
Aug 17, 2026
Finished Sq Ft:
2,700
Total Sq Ft:
2,740
Lot Size:
354,404,160 sqft / 0.19 acres (approx)
Year Built:
1950
OtherPoolTropical Isle Homes Sub 1Key Biscayne K-8Ponce De LeonCoral GablesGardenPets Allowed

Schools

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

Interior

Appliances
Gas Water Heater, Electric Water Heater, Dishwasher, Dryer, Electric Range, Gas Range, Ice Maker, Microwave, Oven, Washer
Bathrooms
4 Full Bathrooms
Cooling
Ceiling Fan(s), Central Air
Flooring
Concrete
Heating
Central
Interior Features
Central Vacuum, Dome Kitchen
Laundry Features
In Garage

Exterior

Architectural Style
Other
Association Amenities
Laundry, Picnic Area
Construction Materials
Block, Pre-Cast Concrete Construction
Covered Spaces
1
Direction Faces
Southwest
Exterior Features
Barbecue, Lighting
Fencing
Fenced
Garage Spaces
1
Parking Features
Circular Driveway, Golf Cart Garage
Patio And Porch Features
Patio
Roof
Barrel
View
Garden
Waterfront Features
Deeded Beach Access

Financial

Tax Year
2025
Taxes
$22,265

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Property Summary

    Located in the TROPICAL ISLE HOMES SUB 1 subdivision, 524 Warren Lane Key Biscayne FL is a Single Family for sale in Key Biscayne, FL, 33149. It is listed for $3,690,000 and features 5 beds, 4 baths, and has approximately 2,700 square feet of living space, and was originally constructed in 1950. The current price per square foot is $1,367. The average price per square foot for Single Family listings in Key Biscayne is $2,748. The average listing price for Single Family in Key Biscayne is $14,631,273. To schedule a showing of MLS#a11999112 at 524 Warren Lane in Key Biscayne, FL, contact your Trust House Realty agent at 9543362003.

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