About This Home

This 4-bedroom, 9-bathroom single family at 100 Cape Florida Dr in Key Biscayne, FL is listed for $19,800,000 ($2,403 per sqft). Built in 2007, the home offers 8,240 sqft of living space on a 0.38 acres lot.

Key Features

  • Built in 2007
  • 0.38 acre lot
  • 3 stories
  • Private pool
  • Waterfront

Property Details

3 stories
5 full, 4 half
7-car garage
2007

Amenities

PoolWaterfrontHardwoodA/C
Listing Description

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.

Monthly Cost Estimate

$105,895/mo

20% down · 6.5% · 30 years

Principal$14,320
Interest$85,800
Insurance$5,775

Estimates only. Actual payments may vary.

Location

100 Cape Florida Dr

Key Biscayne, FL 33149

CAPE FLORIDA SUB SEC 3

Features & Amenities

Interior Features

BidetBuilt-in FeaturesBreakfast AreaBathtubConvertible BedroomCloset CabinetryDining AreaSeparate/Formal Dining RoomDual SinksKitchen/Dining ComboSeparate ShowerUpper Level PrimaryVaulted Ceiling(s)Walk-In Closet(s)Elevator

Exterior Features

FenceLightingOutdoor ShowerPorchSecurity/High Impact Doors

Property Details

Flooring

WoodHardwoodMarble

Construction

CBS (Concrete Block Structure) Block

Pool Features

Pool

Outdoor Features

Porch

Parking

GarageDrivewayOpen

Heating

Electric (Heating)

Cooling

Electric

Appliances

DryerDishwasherElectric Water HeaterDisposalGas RangeIce MakerMicrowaveRefrigeratorWater PurifierWasher

Questions & Answers

This 4-bedroom, 9-bathroom single family at 100 Cape Florida Dr is listed at $19,800,000 ($2,403/sqft). The estimated monthly payment is $105,895 based on 20% down, a 30-year loan at 6.5% interest, estimated insurance.

Key features include: Built in 2007, 0.38 acre lot, 3 stories, Private pool, Waterfront. Interior Features: Bidet, Built-in Features, Breakfast Area. Exterior Features: Fence, Lighting, Outdoor Shower.

This property is listed by Lucia Marin.

LM

Lucia Marin

License 3300654

Agent at One Sothebys International Realty

Listed by One Sothebys International Realty · Broker phone: (305) 666-0562 · View on Broker Site · Broker website

MLS# A11934196· Source: Miami REALTORS®· 4 days on PropertySimple

Copyright © 2026 Miami REALTORS®. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.

100 Cape Florida Dr, Key Biscayne, FL 33149

Open this listing in: