524 Warren Ln, Key Biscayne FL 33149 | Miami-Dade County | A11999112
- $3,730,000
- Single Family Residence
- 5
- 4
- 1
- 2700 Sq Ft
- $3,730,000
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+.
Property Overview
This is a 5-bedroom, 4-bath home of about 2700 square feet at 524 Warren Ln, Key Biscayne FL 33149 (Key Biscayne 33149), listed at $3,730,000.
Monthly Costs, Stated Plainly
This home has no mandatory HOA (single-family / no association on record).
The tax of record is $22,265 (2025). As an ESTIMATE ONLY — Florida reassesses at sale — at this price and a Miami-Dade rate near 2.0%: without homestead, about $74,600/yr (≈ $6,217/mo); with the homestead exemption on a primary residence, about $73,600/yr (≈ $6,133/mo). Confirm with the Miami-Dade Property Appraiser and a tax professional — these are estimates, not quotes.
Frequently Asked Questions
What is the list price, and what typically conveys with a home like this?
The list price for 524 Warren Ln is $3,730,000. Fixtures and built-in appliances generally convey, and the record includes a concrete gunite in-ground private pool. The MLS does not state if the home is furnished; you must confirm which specific items convey.
Distinguish these private assets from shared community amenities, which are available for confirmation upon request. Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify these details.
Where exactly is it, and what should I know about the location?
The property is located at 524 Warren Ln, Key Biscayne FL 33149, situated within the coastal corridor of Key Biscayne 33149. This position provides direct access to the local geography and surroundings of the area.
Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify specific location details.
What are the HOA / association fees, and what do they cover?
This property is a single-family home with no mandatory HOA or association on record. The owner handles all utilities and upkeep independently.
The home remains subject to city ordinances found at https://library.municode.com/fl/key_biscayne/codes/code_of_ordinances . Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify these details.
What are the property taxes and homestead implications?
The tax of record is $22,265 (2025). As an ESTIMATE ONLY, Florida reassesses at sale; at this price and a Miami-Dade rate near 2.0%, the ESTIMATE is about $74,600/yr (≈ $6,217/mo) without homestead, or about $73,600/yr (≈ $6,133/mo) with the homestead exemption on a primary residence.
Florida's homestead exemption lowers taxable value only for a primary residence. Confirm these ESTIMATES with the Miami-Dade Property Appraiser and a tax professional, as these are not quotes. Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify.
Is the home in a flood zone, and what does that mean?
Flood zones designate areas prone to flooding, which determines insurance requirements. Lenders often require flood insurance in high-risk zones. Review FEMA definitions and View the FEMA flood map for this address for specific data on 524 Warren Ln.
Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify these details.
Are pets allowed?
As a single-family home, 524 Warren Ln has no board dictating a pet policy. Pets are at the owner's discretion and must follow city and county ordinances or any existing lease. Documented service animals and ESAs carry separate federal protections.
Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify specifics.
How is the price set and is there room to negotiate?
Miami-Dade single-family homes have recently been closing at 95% of original list, around 41 days to contract (MIAMI REALTORS®, May 2026). The specific valuation for 524 Warren Ln at $3,730,000 is derived from a CMA.
I provide a Key Biscayne-specific CMA to buyers before they submit an offer to ensure the price aligns with current local data. Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify these figures.
What financing step do you recommend before touring?
Secure a pre-approval before touring 524 Warren Ln to ensure your budget aligns with the $3,730,000 list price. You should speak with a Florida-licensed MLO to confirm your buying power.
Contact Christopher Lazaro, Key Biscayne Real Estate Expert, to verify these requirements.
Monthly Fees & Carrying Costs
- Membership Required: No
Have a question about this Key Biscayne listing?
Talk directly with Christopher Lazaro, your Key Biscayne real estate advisor. No pressure — real answers.
Address
Open on Google Maps-
Address: Warren Ln
-
City: Key Biscayne
-
State/county: Miami-Dade County
-
Zip/Postal Code: 33149
-
Area: TROPICAL ISLE HOMES SUB 1
Details
Updated on August 8, 2026 at 11:37 am-
Property ID A11999112
-
Price $3,730,000
-
Property Size 2700 Sq Ft
-
Bedrooms 5
-
Room 0
-
Bathrooms 4
-
Garage 1
-
Year Built 1950
-
Type Single Family Residence
-
Property Status Active, Residential
Additional details
-
Flooring Concrete
-
Bedroom Features At Least 1 Bedroom Ground Level
-
Cooling Ceiling Fan(s), Central Air
-
Association Type None
-
Building TROPICAL ISLE HOMES SUB 1
-
Area Tropical Isle Homes Sub 1
-
Annual Tax 22265
-
Association No
-
Elementary School Keybiscayne
-
Private Pool No
-
Listing Terms All Cash, Conventional
-
Waterfront No
-
Full Bathrooms 4
-
Subdivision TROPICAL ISLE HOMES SUB 1
-
Restrictions Ok To Lease
-
Parking Circular Driveway, Golf Cart Parking
-
Heating Central
-
Structure Type Pool Only, House
-
Tax Year 2025
-
Construction Concrete Block Construction, Pre-Cast Concrete Construction, Slab Construction
-
Building Area 2740
-
Covered Spaces 1
-
Middle School Ponce De Leon
-
View Garden
-
Year Built Details Resale
-
High School Coral Gables
-
Pets Allowed Yes
-
Inclusions Deeded Beach Access
-
Half Bathrooms 0
-
Flood Zone AE
-
Patio / Porch Patio
-
New Construction No
-
Garage Spaces 1
-
Style Pool Only
-
Lot Size (Sq Ft) 8136
-
Membership Purchase Required No
Mortgage Calculator
-
Down Payment
-
Loan Amount
-
Monthly Mortgage Payment
-
Property Tax
-
Home Insurance
-
PMI
-
Monthly HOA Fees
