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
7
Baths
5,216
SQUARE FEET
Single Family Residence
Type
2014
Built
Listing courtesy of
Avanti Way Realty LLC
Grehyni Narvaez
MLS® #A11986880
Listing information last updated June 29, 2026
MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with Avanti Way Realty LLC — and every agent and broker in Miami — to get the deal done.
Overview
This single family residence in Key Biscayne has 6 bedrooms and 7 bathrooms across 5,216 square feet, and is listed for sale at $10,500,000 (about $2,013 per square foot). Built in 2014.
This spectacular property in Key Biscayne offers a luxurious and comfortable lifestyle. With three floors, expansive gardens, and a balcony with a wooden deck, it invites you to enjoy the outdoors in a sublime setting. High-end finishes, such as bathrooms clad in stone and natural, organic materials, add a touch of elegance. Featuring 6 bedrooms, 2 offices, a gym, and a spectacular kitchen with stone countertops and a wine cellar, this home is designed to meet every need. The pool with a water heater offers a relaxation oasis, while the closed garage for 2 cars and capacity for 5 more ensure convenience and security. Located on the best street in Key Biscayne.
Listing history
Price reduced
↓ $800,000 from $11,300,000 · Jun 29, 2026 · MIAMI MLS
$10,500,000
Listed for sale
Mar 20, 2026 · MIAMI MLS
$11,300,000
Days on market
as of today
123 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 (2025)
$47,837
Association type
None
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 #A11986880
Price$10,500,000
Size5,216 Square Feet
Bedrooms6
Bathrooms7
Garage5
Year built2014
TypeSingle Family Residence
StatusFor Sale
Price / Square Feet$2,013
Flood zoneAE
Features & amenities
Cooking Island
Dishwasher
Disposal
Dryer
Electric Range
Family Room
Garage Attached
Has a View
Has Carport
Has Cooling System
Has Garage
Has Heating System
Microwave
Open Balcony
Other
Refrigerator
Walk-In Closet(s)
Washer
Location
610 Harbor Cir, Key Biscayne FL 33149
Estimate your payment
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Down (20%)—
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Questions, answered
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List your rental →Listing data © MIAMI MLS · IDX information deemed reliable but not guaranteed · 123 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.