524 Warren Ln
Key Biscayne, FL 33149
5
Bed
4
Bath
2,700Sqft
8,136Sqft(Lot)
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+.
Property Details
Map
Map
Features
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Bedroom Information
Total beds: 5Bathroom Information
Total Baths: 4 Full Baths: 4Roofing Information
BarrelFlooring Information
Concrete -
Interior Features
Bidet, BedroomOnMainLevel, DiningArea, SeparateFormalDiningRoom, DualSinks, ShowerOnly, CentralVacuumRoof: BarrelAppliances: SomeGasAppliances, BuiltInOven, Dryer, Dishwasher, ElectricRange, ElectricWaterHeater, IceMaker, Microwave, WasherLaundry Features: InGarage -
Heating & Cooling
Has Heating: Yes Heating: Central Has Cooling: Yes Cooling: CentralAir, CeilingFans
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Building Information
Year Built: 1950Building Area Total: 2740Construction Materials: Block, PreCastConcretePatio And Porch Features: PatioPool Features: Concrete, Gunite, InGround, PoolPrivate Pool: YesView: Garden -
Exterior Features
Exterior Features: Barbecue, Fence, Lighting, Patio, StormSecurityShutters
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Lot Information
Main Square Feet: 8136 Lot Size Square Feet: 8,136 Lot Description: LessThanOneAcreProperty Information
Subdivision: TROPICAL ISLE HOMES SUB 1 Source Property Type: Residential Postal Code Plus 4: 1827 Zoning Description: 0100 Property SubType: Single Family Residence Direction Faces: Southwest Property Age: 76
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Listing Price Information
Listing Price: $3730000Original Price: $3850000Cash, Conventional
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Tax Information
Parcel Number: 24-42-32-004-0220 Tax Year: 2025 Annual Tax: $22265 Tax Legal Desc: TROPICAL ISLE HOMES SUB 1ST ADDN PB 50-72 LOT 28 BLK 3 LOT SIZE 81.360 X 100 OR 9816-2200
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Virtual Tour
Parking Information
CircularDriveway, GolfCartGarageGarage Information
Has Garage: Yes Garage Space: 1 Pets Allowed: Conditional, Yes
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School Information
Elementary School: Keybiscayne Junior High School: Ponce De Leon Senior High School: Coral Gables -
Location Information
WaterSource: Public, Other
How much is this property worth?
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Nearby Home Value
| Address | Estimate | Bed | Bath | Sq. Ft | Lot Size |
|---|---|---|---|---|---|
| 640 S Mashta Dr, Key Biscayne, FL, 33149 | $16,800,000 | 4 | 4 | 3,620 | 15,000 Sqft |
| 110 Hampton Ln, Key Biscayne, FL, 33149 | $6,900,000 | 6 | 7 | 3,550 | 7,500 Sqft |
| 200 Ocean Lane Drive #PB4, Key Biscayne, FL, 33149 | $1,400,000 | 1 | 1 | 1,217 | -- |
| 200 Ocean Lane Drive #501, Key Biscayne, FL, 33149 | $3,850,000 | 4 | 4 | 1,880 | -- |
| 200 Ocean Lane Drive #409, Key Biscayne, FL, 33149 | $1,499,000 | 2 | 2 | 1,610 | -- |
| 200 Ocean Lane Drive #407, Key Biscayne, FL, 33149 | $1,220,000 | 2 | 2 | 1,580 | -- |
| 200 Ocean Lane Drive #401, Key Biscayne, FL, 33149 | $3,600,000 | 3 | 3 | 2,412 | -- |
| 31 Island Drive, Key Biscayne, FL, 33149 | $9,800,000 | 6 | 7 | 5,826 | 19,236 Sqft |
| 131 Cape Florida Drive, Key Biscayne, FL, 33149 | $16,500,000 | 6 | 7 | -- | 14,900 Sqft |
| 120 Knollwood Drive, Key Biscayne, FL, 33149 | $19,950,000 | 6 | 7 | 6,208 | 16,827 Sqft |
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ByOwner last updated this listing 09/11/2026 @ 12:29
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