About This Home

This 5-bedroom, 4-bathroom single family at 524 Warren Ln in Key Biscayne, FL is listed for $3,730,000 ($1,381 per sqft). Built in 1950, the home offers 2,700 sqft of living space on a 0.19 acres lot.

Key Features

  • Built in 1950
  • 0.19 acre lot
  • Private pool

Property Details

4 full
1-car garage
1950

Amenities

PoolA/C
Listing 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+.

Monthly Cost Estimate

$19,949/mo

20% down · 6.5% · 30 years

Principal$2,698
Interest$16,163
Insurance$1,088

Estimates only. Actual payments may vary.

Location

524 Warren Ln

Key Biscayne, FL 33149

TROPICAL ISLE HOMES SUB 1

Features & Amenities

Interior Features

BidetBedroom on Main LevelDining AreaSeparate/Formal Dining RoomDual SinksShower OnlyCentral Vacuum

Exterior Features

BarbecueFenceLightingPatioStorm/Security Shutters

Property Details

Flooring

Concrete

Construction

Block Pre-Cast Concrete

Pool Features

Pool

Outdoor Features

Patio

Parking

DrivewayGarage

Heating

Central

Cooling

Ceiling Fan(s)Central Air

Appliances

Some Gas AppliancesBuilt-In OvenDryerDishwasherElectric RangeElectric Water HeaterIce MakerMicrowaveWasher

Questions & Answers

This 5-bedroom, 4-bathroom single family at 524 Warren Ln is listed at $3,730,000 ($1,381/sqft). The estimated monthly payment is $19,949 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 1950, 0.19 acre lot, Private pool. Interior Features: Bidet, Bedroom on Main Level, Dining Area. Exterior Features: Barbecue, Fence, Lighting.

This property is listed by Fabrice Ernandes.

FE

Fabrice Ernandes

License 3427417

Agent at Serhant Florida LLC

Listed by Serhant Florida LLC · Broker phone: (646) 480-7665 · View on Broker Site · Broker website

MLS# A11999112· Source: Miami REALTORS®· 1 day on PropertySimple

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

524 Warren Ln, Key Biscayne, FL 33149

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