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Single family home for sale at 100 Cape Florida Dr, Key Biscayne, FL 33149 | MLS# A11934196 | Listing updated on 2026-10-31
Photo 1 of Single family home for sale at 100 Cape Florida Dr, Key Biscayne, FL 33149 | MLS# A11934196 | Listing updated on 2026-10-31
Photo 2 of Single family home for sale at 100 Cape Florida Dr, Key Biscayne, FL 33149 | MLS# A11934196 | Listing updated on 2026-10-31
Photo 3 of Single family home for sale at 100 Cape Florida Dr, Key Biscayne, FL 33149 | MLS# A11934196 | Listing updated on 2026-10-31
Photo 4 of Single family home for sale at 100 Cape Florida Dr, Key Biscayne, FL 33149 | MLS# A11934196 | Listing updated on 2026-10-31
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$19,800,000

Monthly Est:$98,552

  • Beds Icon4 Beds
  • Beds Icon
    9 Baths
  • Beds Icon8,240sqft

100 Cape Florida Dr, Key Biscayne, FL 33149

$98,552/moEst:

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  • Single Family Residence

  • Built in 2007

  • $-- HOA

  • 16,552.8 sqft lot

  • $2,403/sq.ft

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.

  • Houzeo last checked: 3 minutes ago
  • Listing updated: October 31, 2026 at 7:47 am
  • Listing Provided by: Lucia A Marin (786) 325-6800 DRE #3300654 | One Sotheby's International Realty (305) 365-2811
  • Source: Beaches MLS-FL | MLS#: A11934196 Beaches MLS-FL

Property Details

  • Status

    Active

  • Type

    Single Family Residence

  • No. of Stories

    3

  • County

    Miami Dade County

  • City

    Key Biscayne

  • Neighborhood

    --

  • Year Built

    2007

  • HOA Fees

    -

  • Finished Area

    8,240 sqft

  • Lot Size

    16,552.8 sqft lot

  • Basement Area

    - sqft

  • MLS Name

    Beaches MLS

  • MLS Number

    A11934196

  • MLS Status

    Active

  • Days on Market

    301

  • Cumulative Days on Market

    297

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Location

Facts & Features

Rooms

  • Bedrooms & bathrooms

    Bedrooms: 4

    Bathrooms: 9

Interior

  • Sewer

    Public Sewer

  • Appliances

    Dryer, Dishwasher, Electric Water Heater, Disposal, Gas Range, Ice Maker, Microwave, Refrigerator, Water Purifier, Washer

  • Flooring

    Marble, Other, Wood

  • Exterior Features

    Lighting, Outdoor Living Area, Outdoor Shower

  • Heating

    Electric

  • Interior Features

    Bidet, Built In Features, Breakfast Area, Bathtub, Closet Cabinetry, Dining Area, Separate Formal Dining Room, Dual Sinks, Elevator, Kitchen Dining Combo, Multiple En Suite Bathrooms, Soaking Tub, Separate Shower, Upper Level Primary, Vaulted Ceilings, Walk In Closets

  • Window Features

    Blinds

  • Cooling

    Electric

Construction

  • Year Built

    Year Built: 2007

  • Home type

    Single Family Residence

  • Construction Materials

    Cbs Concrete Block Structure, Block

  • Roof

    Metal

Utilities & Energy

  • Parking Features

    Attached, Driveway, Garage, Golf Cart Garage, Garage Door Opener

  • Security Features

    Smoke Detectors

  • Water Source

    Public

  • Pool Features

    Heated, In Ground

Other Features

  • Lot Features

    Quarter To Half Acre Lot, Sprinklers Automatic

  • Subdivision Name

    Cape Florida Sub Sec 3

  • Patio And Porch Features

    Porch

Price History

DateEventPrice

01/06/2026

Source: #A11934196

Off Market

$19,800,000

$2,403/sqft

01/06/2026

Source: #A11934196

Listed for Sale

$19,800,000 +80.00%

$2,403/sqft

05/27/2021

Source: mls_logoBeaches MLS-FL #A10981662

Price Decreased

$11,000,000 -8.33%

$1,335/sqft

05/27/2021

Source: #A10981662

Off Market

$12,000,000

$1,456/sqft

05/27/2021

Source: #A10981662

Sold

$12,000,000

$1,456/sqft

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IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and that the data is deemed reliable but is not guaranteed accurate by BeachesMLS. All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This data is not verified for authenticity or accuracy and may not reflect all real estate activity in the market. Based on information © 2026 BeachesMLS, Inc. All Rights Reserved.

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