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
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

WoodMarbleHardwood

Construction

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 and can be reached at 7863256800.

LM

Lucia Marin

License 3300654

Agent at One Sothebys International Realty

(786) 325-6800

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

MLS# A11934196· Source: Miami REALTORS®· 109 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

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