Mansion
$19,800,000
100 Cape Florida Dr, Key Biscayne FL 33149 – Residential
Cape Florida Dr
- 4 beds
- 7 baths
- 8,240 sqft
6
Beds
6.5
Baths
5,826
SQUARE FEET
Single Family Residence
Type
2004
Built
Listing courtesy of
Gimeza A Real Estate Corp.
Fernando Gimenez
MLS® #A11782945
Listing information last updated July 13, 2026
MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with Gimeza A Real Estate Corp. — and every agent and broker in Miami — to get the deal done.
Overview
This single family residence in Key Biscayne has 6 bedrooms and 6.5 bathrooms across 5,826 square feet, and is listed for sale at $9,800,000 (about $1,682 per square foot). Built in 2004.
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.
Listing history
Price reduced
↓ $400,000 from $10,200,000 · Apr 29, 2026 · MIAMI MLS
$9,800,000
Listed for sale
Apr 12, 2025 · MIAMI MLS
$11,000,000
Days on market
as of today
465 days
Building & financials
FROM MIAMI MLSThe carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.
Annual property tax (2024)
$59,203
Association type
None
Pets
Allowed (verify restrictions)
FEMA flood zone
AE
Dues, taxes, and association data per MIAMI MLS and public records; flood zone from FEMA NFHL. Verify with the HOA, county, and your insurer during due diligence.
Property details
MLS #A11782945
Price$9,800,000
Size5,826 Square Feet
Bedrooms6
Bathrooms6.5
Garage2
Year built2004
TypeSingle Family Residence
StatusFor Sale
Price / Square Feet$1,682
Flood zoneAE
Features & amenities
Built-In Grill
Closet Cabinetry
Den/Library/Office
Dishwasher
Disposal
Electric Water Heater
First Floor Entry
Garage Attached
Gas Range
Has a View
Has Cooling System
Has Garage
Has Heating System
Microwave
Open Balcony
Open Parking
Other
Other Equipment/Appliances
Refrigerator
Location
31 Island Dr, Key Biscayne FL 33149
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Property tax (est.)—
Down (20%)—
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List your rental →Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 465 days on market.
We do not advertise a “free” buyer’s agent; buyer-representation compensation is disclosed in writing. Bitcoin pricing is indicative and updates with the market — not financial, tax, or legal advice. Buyer to independently verify all measurements, assessments, and flood & insurance facts.