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About This Home

This 5-bedroom, 4-bathroom single family at 524 Warren Ln in Key Biscayne, FL is listed for $3,750,000 ($1,389 per sqft). Built in 1950, the home offers 2,700 sqft of living space on a 0.19 acres lot.

Agent 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+.

Key Features

  • Built in 1950
  • 0.19 acre lot

Property Details

4 full
1950

Monthly Cost Estimate

$20,056/mo

20% down · 6.5% · 30 years

Principal$2,712
Interest$16,250
Insurance$1,094

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 SinksCentral Vacuum

Exterior Features

BarbecueFenceLightingPatioStorm/Security Shutters

Property Details

Flooring

Concrete

Construction

BlockConcrete

Parking

DrivewayGarageGolf Cart

Heating

Central

Cooling

Ceiling Fan(s)Central Air

Appliances

DishwasherDryerIce MakerMicrowaveRangeWasher

Questions & Answers

This 5-bedroom, 4-bathroom single family at 524 Warren Ln is listed at $3,750,000 ($1,389/sqft). The estimated monthly payment is $16,250 based on 20% down at 6.5% interest.

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

This property is listed by Fabrice Ernandes and can be reached at 7866030184 or info@fabriceernandes.com.

FE

Fabrice Ernandes

Agent at Serhant

(786) 603-0184

Listed by Serhant · View on Broker Site

MLS# A11999112· Source: listhub· Updated today

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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