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$18,999,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 8 Full Baths
  • 6,692 Sq. Ft.
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The Oasis Islamorada is a waterfront estate of exceptional scale, conceived as a private Florida Keys compound where architecture, land and water come together spanning nearly 3 meticulously landscaped acres. More than 400' of shoreline, sweeping ocean views and a protected deepwater basin create a marine setting rarely available within a single residential offering. Beyond the grand porte-cochére, the single-level main residence unfolds with soaring ceilings, white oak floors and 12-foot retractable glass walls that dissolve the boundary between interior and oceanfront living. At its center, a chef's kitchen pairs a cascading Calacatta marble island with Thermador appliances and a walk-in pantry, opening seamlessly to expansive living and dining spaces. The main residence includes four bedrooms and six full baths, with an impressive primary suite featuring a fireplace, dual walk-in closets, safe room and spa bath with steam shower. Additional suites offer en suite baths, private balconies and ocean views. A detached two-bedroom, two-bath guest residence brings the estate to six bedrooms while preserving privacy between owners and guests, with substantial grounds offering extraordinary flexibility for the future. Outside, the property assumes the scale of a private resort. Two resort-style pools with spas and sun decks are joined by a summer kitchen and multiple terraces. A fitness center with sauna, soundproof theater and golf simulator complete the lifestyle offering.

Full Property Details for 87429 Old Hwy

General

  • Price: $18,999,000
  • Taxes: $64,866 (2025)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A12092985
  • Updated: 9/21/2026
  • Added to Site: 21 day(s) ago

Interior

  • Interior Features: Built-in Features, Entrance Foyer, Other, Pantry, Vaulted Ceiling(s), Walk-In Closet(s), Separate Guest/In-Law Quarters, Media Room, Recreation Room, Sauna, Storage, Utility Room/Laundry
  • Fireplace: Yes
  • Fireplace(s): Fireplace
  • Appliances: Dishwasher, Disposal, Dryer, Microwave, Refrigerator, Wall Oven, Washer
  • Flooring: Carpet, Wood

Rooms

Bathrooms

  • Total Bathrooms: 8
  • Full Bathrooms: 8
  • Primary Bathroom: Dual Sinks, Separate Tub & Shower, Whirlpool/Spa

Bedrooms

  • Total Bedrooms: 6
  • Bedroom Features: Entry Level, Primary Bath Shower, Primary Bath Tub, Primary Bedroom Ground Level

Other Rooms

  • Living Room: Separate Guest/In-Law Qua Sq. Ft.
  • Dining Room: Dining/Living Room, Formal Dining, Kitchen Dining
  • Laundry: Utility Room/Laundry

Additional Information

  • Pool: Yes
  • Pool Description: Concrete, Heated, 20x35
  • Spa: Yes
  • Equipment: Whole House Permanent Generator, Automatic Garage Door Opener

Exterior

  • Exterior Features: Built-In Grill, Lighting

Parking

  • Garage: Yes
  • Garage Spaces: 8
  • Covered Spaces: 8
  • Parking Features: Circular Driveway, Covered, Driveway, Golf Cart Parking, Guest, Paver Block, Rv/Boat Parking

Location

  • Area: Plantation Beach
  • County: Monroe County
  • Subdivision: PLANTATION BEACH
  • Building Name: PLANTATION BEACH
  • Direction Faces: West

Community

  • Community Name: Plantation Beach

Heating & Cooling

  • Air Conditioning: Yes
  • Cooling Type: Central Air
  • Heating Type: Central

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Detached, Modern/Contemporary
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: Concrete Block Construction, CBS Construction
  • Roof: Metal Roof
  • Windows: Complete Impact Glass, Electric Shutters, Impact Glass
  • Doors: High Impact Doors
  • Entry Location: Foyer
  • Building Size: 18309
  • Square Feet: 6,692
  • Living Area: 6,692 Sq. Ft.
  • Year Built: 2022

Additional Structures

  • Other Structures: Extra Building/Shed, Shed(s), Guest House

Lot Features

  • Property View: Ocean, Direct Ocean
  • Lot Size (Sq. Ft.): 124,146
  • Frontage Feet: 400
  • Lot Features: 2 To Less Than 3 Acre Lot
  • Zoning: SR
  • Fencing (Description): Fenced

Water Features

  • Water Front: Yes
  • Water Front Desc.: Ocean Access, Ocean Front

Financial Considerations

  • Price Per Sq. Ft.: $2,839.06
  • Tax Amount: $64,866
  • Tax Year: 2025
  • Terms: All Cash, Conventional

Disclosures and Reports

  • Legal Description: TR P AND FILL & BAY BTM SELY ADJ TRACT P PLANTATION BEACH PB2-76 PLANTATION KEY G69-557 OR213-513 OR777-901 OR777-902 OR785-1571 OR785-1572
  • Restrictions: No Restrictions
  • Inclusions: Boatlift, Private Dock, Unrestricted Salt Water Access, Dock Owned/Included, Electric Available, Lift, Private Dock
  • Property ID: 00415210-000000

Listed by Ocean Sothebys Intl Realty

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Listing agent

— 87429 Old Hwy —

  • Ocean Sothebys Intl Realty

305-923-1337

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 87429 Old Hwy

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Plantation Key School
100 Lake Road, Tavernier, FL 33070
PK-82.2 mi
Coral Shores High School
89901 Old Highway, Tavernier, FL 33070
9-122.5 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 87429 Old Hwy Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/21/2026
Listed
$18,999,000
361.14%
MLS
9/28/2018
Sold
$4,120,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 87429 Old Hwy

Year
Property Taxes
Change
Tax Assessment
Change
2025
$64,866
100%
$7,121,625
3%
2024
-100%
$6,920,919
3%
2023
$62,301
104%
$6,719,339
120%
2021
$30,510
-30%
$3,054,533
-35%
2022
$43,761
43%
$4,687,719
56%
2021
$30,510
-31%
$3,012,965
-31%
2019
$44,448
80%
$4,393,428
137%
2018
$24,752
35%
$1,855,373
-19%
2017
$18,391
-3%
$2,281,813
-2%
2016
$18,985
43%
$2,319,822
97%
2015
$13,320
-1%
$1,177,495
—
2014
$13,436
10%
$1,179,847
8%
2013
$12,178
—
$1,088,190
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Ocean Sothebys Intl Realty

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87429 Old Hwy, Islamorada, FL 33036 (MLS# A12092985) is a Single Family property with 6 bedrooms and 8 full bathrooms. 87429 Old Hwy is currently listed for $18,999,000 and was received on September 21, 2026. Want to learn more about 87429 Old Hwy? Do you have questions about finding other Single Family real estate for sale in Islamorada? You can browse all Islamorada real estate or contact a Coldwell Banker agent to request more information.

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