100 Cape Florida Dr
Key Biscayne, FL 33149
$19,800,000
$2,403/ft²
About this home
Enjoying an exceptional 270ft of L-shaped water frontage facing 185-ft-wide Pines Canal and the natural beauty of Bill Baggs Cape Florida State Park, this elegant island-coastal estate is tailored to a boating lifestyle. Offering calm and naturally sheltered harbor, concrete seawall, boat lift, dockside kitchen and side-dock boat storage that preserves unobstructed water views, the property provides a sense of openness, privacy, and tranquility. Clean architectural lines, an internal garden courtyard, and generous covered terraces fill the residence with natural light and create a seamless connection to the surrounding water and landscape. This elevated home offers 4 bedrooms plus staff quarters, 5 bathrooms, and 4 half-baths within 8,240 sqft of living space on a 16,500-sqft lot. Architectural tray ceilings, refined millwork, custom wall paneling, and thoughtfully designed built-ins with abundant storage add depth and craftsmanship while maintaining a light, contemporary coastal aesthetic. Formal living and dining rooms with elegant millwork provide an ideal setting for entertaining. The kitchen is appointed with Calacatta Gold marble countertops, gas cooking, Sub-Zero and Viking appliances, and a butler’s pantry. Additional highlights include 2 family rooms, fitness center with water views, 2 garages accommodating 7+ cars/golf carts, temperature-controlled wine cellar for 1,400+ bottles, elevator, retractable screen doors, generator and saltwater heated pool.
Features
- Waterfront
Property details
Listing
- MLS #
- A11934196
- Status
- For sale
- Listed on
- Jan 6, 2026
- Days on market
- 215 days
- Listing data updated
- Feb 11, 2026
Interior
- Beds
- 4
- Baths
- 7
- Living area
- 8,240 ft²
- Price per ft²
- $2,403/ft²
Building & community
- Type
- Single-family home
- Year built
- 2007
- County
- Miami-Dade
Lot & exterior
- Lot size
- 16,500 ft²
- Waterfront
- Yes
Days on market, price per ft² and the monthly HOA amount are calculated by this site from the MLS data shown; the association fee is normalized to a monthly figure.
True monthly cost
- Mortgage (principal & interest)
- $100,120
- Property taxes (est.)
- $18,150
- Home insurance (est.)
- $600
- Flood insurance (est.)
- —
Estimated total$118,870*/mo
* Some cost lines aren't available yet for this listing; the total shown is incomplete.
Based on 20% down, a 6.5% rate and a 30-year loan, plus this home's estimated Florida carrying costs. All figures are illustrative estimates — not quotes, not financial or insurance advice.
Sources: flood zone — FEMA National Flood Hazard Layer; mortgage, taxes and insurance figures — this site's own estimates; HOA / CDD — as reported for this listing.
What will this home really cost you?
Location
Mortgage calculator
$100,120/moEstimated principal & interest. Taxes, insurance, and HOA are not included. This is an estimate, not a quote or financial advice.
This listing is courtesy of One Sotheby's International Realty.
Lucia Marin · 786-325-6800 · lamarin@onesothebysrealty.com · 305-365-2811
Data deemed reliable, but is not guaranteed accurate by MIAMI REALTORS®.
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