Mansion
$19,800,000
100 Cape Florida Dr, Key Biscayne FL 33149 – Residential
Cape Florida Dr
- 4 beds
- 7 baths
- 8,240 sqft
Listing courtesy of NestWise Real Estate LLC
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Beds
5.5
Baths
5,000
SQUARE FEET
Single Family Residence
Type
2014
Built
$9,725
HOA / mo
Listing courtesy of
NestWise Real Estate LLC
Carlos Castro
MLS® #A12012394
Listing information last updated May 27, 2026
MiamiCityRealty.com is an agent's best friend. We proudly co-broke and partner with NestWise Real Estate 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 5.5 bathrooms across 5,000 square feet, and is listed for sale at $10,500,000 (about $2,100 per square foot). Built in 2014.
Introducing Villa 5, a truly one-of-a-kind residence within Oceana Key Biscayne, an exclusive collection of just 12 private villas designed by Arquitectonica. This 7-bedroom, 5.5-bath home including maid’s quarters, plus office spans 5,187 SF and sits on a prime cul-de-sac corner lot of 11,000 SF, offering the privacy of a single-family estate with world-class beachfront resort living. Villa 5 is uniquely positioned with features no other villa offers. It is the only residence equipped with a 50 KW commercial-grade diesel generator with Automatic Transfer Switch, capable of seamlessly powering the entire home. It also features the only private rear gate with direct access to Sonesta Drive, enhancing both privacy and convenience. Additionally, it boasts the largest driveway in the community, comfortably accommodating 6+ vehicles, an exceptional and rare feature. Outdoor spaces are thoughtfully curated for both relaxation & entertaining, with lush landscaping, a serene pergola retreat, and an extended pool area featuring an outdoor BBQ and sink, perfect for al fresco dining. Interiors are filled with natural light and offer a seamless indoor-outdoor flow, embodying refined coastal living. Residents enjoy over 500′ of private beach, resort-style pools, beach service, on-site dining, tennis, a state-of-the-art fitness center, and spa amenities. A rare opportunity to own a truly unmatched villa in Key Biscayne, offering exclusivity, privacy, and features that cannot be replicated.
Listed for sale
May 4, 2026 · MIAMI MLS
$10,500,000
Days on market
as of today
78 days
The carrying-cost and structural facts that close or kill a Miami deal — straight from the listing feed.
HOA / association dues
$9,725 / mo
Annual property tax (2025)
$102,579
Association type
Condo
Waterfront
Ocean Access, Ocean Front
Pets
Allowed (verify restrictions)
FEMA flood zone
AE
HOA dues include
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.
105 Reef Ln, Key Biscayne FL 33149
Est. monthly payment
—
per month
Estimate only — not a Loan Estimate, pre-approval, or commitment. Taxes, insurance & HOA vary. Confirm with a licensed lender.
Questions on price, building, or financing? Send a note — we reply fast.
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$10,500,000

















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