31 Island Dr, Key Biscayne FL 33149 | Miami-Dade County | A11782945
- $9,800,000
- Single Family Residence
- 6
- 6.5
- 2
- 5826 Sq Ft
- $9,800,000
Description
Exceptional Estate in Key Biscayne. Discover an extraordinary opportunity to own a stunning modern residence on over 19,000 sq ft lot—an exceptional find in the heart of Key Biscayne. This expansive property offers a generous backyard, perfect for outdoor living, entertaining, or creating a private oasis where kids can play freely. The home features 6 bedrooms, 6.5 bathrooms, a dedicated office, and high ceilings that enhance the bright, open ambiance. Designed with a sleek, modern aesthetic, the interior boasts luxurious finishes and thoughtful amenities, including a wine cellar, pool, and a 2-car garage. Located on a quiet street, this residence blends privacy with convenience. Experience the best of island living with unparalleled space and style.
Property Overview
This is a 6-bedroom, 6.5-bath home of about 5826 square feet at 31 Island Dr, Key Biscayne FL 33149 (Key Biscayne 33149), listed at $9,800,000.
Monthly Costs, Stated Plainly
This home has no mandatory HOA (single-family / no association on record).
The tax of record is $59,203 (2024). As an ESTIMATE ONLY — Florida reassesses at sale — at this price and a Miami-Dade rate near 2.0%: without homestead, about $196,000/yr (≈ $16,333/mo); with the homestead exemption on a primary residence, about $195,000/yr (≈ $16,250/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 31 Island Dr is $9,800,000. Fixtures, built-in appliances, and the in-ground private pool convey with the home, while furniture is negotiable. Community amenities are separate from the property assets and can be confirmed upon request.
Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify these details.
Where exactly is it, and what should I know about the location?
The property is located at 31 Island Dr, Key Biscayne FL 33149, situated within a coastal corridor of Key Biscayne 33149. This position provides direct access to the surrounding waterfront environment.
Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify specific location details.
What are the HOA / association fees, and what do they cover?
There is no mandatory HOA for this single-family home. The owner handles all utilities and property upkeep independently.
The property 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 Advisor, to verify these details.
What are the property taxes and homestead implications?
The tax of record is $59,203 (2024). As an ESTIMATE ONLY, Florida reassesses at sale; at this price and a Miami-Dade rate near 2.0%, the ESTIMATE is about $196,000/yr (≈ $16,333/mo) without homestead, or about $195,000/yr (≈ $16,250/mo) with the homestead exemption. Florida's homestead exemption lowers taxable value only for a primary residence.
Confirm these figures with the Miami-Dade Property Appraiser and a tax professional, as these are estimates, not quotes. Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify.
Is the home in a flood zone, and what does that mean?
Flood zones indicate the probability of flooding in a specific area. Lenders often require flood insurance for properties located in high-risk zones. You can find FEMA definitions and View the FEMA flood map for this address to determine the status of 31 Island Dr.
Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify these details.
Are pets allowed?
This is a single-family home, so no condo or HOA board dictates a pet policy. Pets are at the owner's discretion, subject to any existing lease and city or county ordinances. Documented service animals and ESAs carry separate federal protections.
Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify details.
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 31 Island Dr at $9,800,000 is derived from a CMA.
I provide a Key Biscayne-specific CMA to ensure your offer is precise. Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify these figures.
What financing step do you recommend before touring?
Secure a pre-approval before touring 31 Island Dr to ensure your financial position is clear. Speak with a Florida-licensed MLO at Get-PreApproved.com to establish your buying power for this $9,800,000 property.
Contact Christopher Lazaro, Key Biscayne Real Estate Advisor, to verify these details.
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: Island Dr
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City: Key Biscayne
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State/county: Miami-Dade County
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Zip/Postal Code: 33149
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Area: CAPE FLORIDA SUB SEC 3
Details
Updated on September 19, 2026 at 2:57 pm-
Property ID A11782945
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Price $9,800,000
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Property Size 5826 Sq Ft
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Bedrooms 6
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Room 0
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Bathrooms 6.5
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Garages 2
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Year Built 2004
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Type Single Family Residence
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Property Status Active, Residential
Additional details
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View Garden, Pool
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Cooling Ceiling Fan(s), Central Air, Gas, Other
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Heating Other
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Tax Year 2024
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Flooring Ceramic Floor, Marble, Tile, Wood
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High School Mast Academy
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Building CAPE FLORIDA SUB SEC 3
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Garage Spaces 2
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Listing Terms All Cash, Conventional
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Area Cape Florida Sub Sec 3
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Waterfront No
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Association No
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Full Bathrooms 6
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Half Bathrooms 1
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Covered Spaces 2
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Style Pool Only
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Private Pool No
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Structure Type Pool Only, House
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Parking Circular Driveway, Other
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Subdivision CAPE FLORIDA SUB SEC 3
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Annual Tax 59203
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Elementary School Keybiscayne
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Year Built Details Resale
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Building Area 6762
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Lot Size (Sq Ft) 19236
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Flood Zone AE
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New Construction No
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Bedroom Features At Least 1 Bedroom Ground Level, Other, Primary Bedroom Upstairs, Sitting Area - Primary Bedroom
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Restrictions No Restrictions, Ok To Lease
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Construction Concrete Block Construction
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Pets Allowed Yes
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Patio / Porch Open Balcony
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Association Type None
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Membership Purchase Required No
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