Mansion
$19,800,000
100 Cape Florida Dr, Key Biscayne FL 33149 – Residential
Cape Florida Dr
- 4 beds
- 7 baths
- 8,240 sqft
3D home tour
← All video tours
Listing courtesy of AG Real Estate Advisors, LLC
Browse all Miami video tours →7
Beds
8
Baths
4,565
SQUARE FEET
Single Family Residence
Type
2020
Built
Listing courtesy of
AG Real Estate Advisors, LLC
Fernando Muniz
MLS® #A11873862
Listing information last updated September 16, 2025
MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with AG Real Estate Advisors, LLC — and every agent and broker in Miami — to get the deal done.
Overview
This single family residence in Key Biscayne has 7 bedrooms and 8 bathrooms across 4,565 square feet, and is listed for sale at $7,750,000 (about $1,698 per square foot). Built in 2020.
Experience unparalleled elegance in this stunning contemporary estate, set on an oversized 9,258 sq. ft. lot in exclusive Key Biscayne. Built in 2020, with a brand-new roof in 2025, this 7-bedroom, 7-bathroom home, plus two powder rooms, blends sophistication with seamless indoor-outdoor living. An open floor plan, custom-built kitchen cabinetry, and abundant natural light create an inviting ambiance. The elevator connects all three levels, leading to a rooftop terrace with breathtaking views. Outdoors, enjoy a saltwater pool with spa, summer kitchen, cabana bath, and expansive front yard. The open garage with an EV charger and a spacious driveway provide convenience. This architectural masterpiece offers the finest in Key Biscayne luxury.
Listing history
Listed for sale
Sep 7, 2025 · MIAMI MLS
$7,750,000
Days on market
as of today
317 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)
$86,442
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 #A11873862
Price$7,750,000
Size4,565 Square Feet
Bedrooms7
Bathrooms8
Garage2
Year built2020
TypeSingle Family Residence
StatusFor Sale
Price / Square Feet$1,698
Flood zoneAE
Features & amenities
Built-in Features
Built-In Grill
Closet Cabinetry
Cooking Island
Dishwasher
Disposal
Dryer
Electric Range
Elevator
First Floor Entry
Garage Attached
Has Cooling System
Has Garage
Has Heating System
Microwave
Open Balcony
Open Parking
Other
Refrigerator
Spa
Storage
Utility Room/Laundry
Walk-In Closet(s)
Wall Oven
Washer
Location
425 Harbor Dr, Key Biscayne FL 33149
Estimate your payment
$
Est. monthly payment
—
per month
Principal & interest—
Property tax (est.)—
Down (20%)—
Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.
Questions, answered
Ask about this home
Questions on price, building, or financing? Send a note — we reply fast.
More like this
Other homes near Key Biscayne
Mansion
Mansion
Mansion
Mansion
Mansion
$10,500,000
610 Harbor Cir, Key Biscayne FL 33149 – Residential
Harbor Cir
- 6 beds
- 7 baths
- 5,216 sqft
Mansion
$19,950,000
120 Knollwood Dr, Key Biscayne FL 33149 – Residential
Knollwood Dr
- 6 beds
- 6.5 baths
- 6,208 sqft
Thinking of selling?
Own a home in Key Biscayne?
Get a no-obligation MCR estimate and see how your block has trended this year.
What's my home worth →Own a rental?
List, screen, and lease with MCR.
Applicant screening, leases, and rent collection — managed end to end by a Miami brokerage.
List your rental →Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 317 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.