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For sale

100 Cape Florida Dr

Key Biscayne, FL 33149

$19,800,000

$2,403/ft²

4Beds
7Baths
8,240Sq ft
2007Year built
Single-family homeType

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.

Equal Housing Opportunity

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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