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$14,999,000

  • For Sale
  • Active
  • Single Family
  • 8 Beds
  • 7 Full Baths
  • 1 Partial Bath
  • 6,500 Sq. Ft.
  • Updated 7 days ago

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Behind private gates on prestigious Million Air Row, this exceptional oceanfront estate spans nearly 2.5 acres and offers a rare blend of luxury, privacy, and future potential. The recently renovated residence features 8 bedrooms, 7.5 bathrooms, double-height ceilings, spacious bedroom suites, abundant storage throughout, solid CBS construction, impact windows and doors, and a new concrete roof. Designed for the ultimate Florida Keys lifestyle, the property boasts protected basin dockage with a 24,000 lb boat lift, a private helicopter pad, hot yoga studio, resort-style pool with waterslides, waterfall, and spa, plus two covered carports and a large garage. Expansive grounds provide endless opportunities to add additional amenities such as pickleball, volleyball, guest accommodations, or a private beach retreat. A truly unique waterfront compound offering the space and exclusivity rarely found in the Florida Keys.

Full Property Details for 89401 Old Hwy

General

  • Price: $14,999,000
  • Taxes: $52,503 (2025)
  • Status: Active
  • Type: Single Family
  • Source: Greater_Miami
  • MLS ID: A12028364
  • Updated: 6/1/2026
  • Added to Site: 8 day(s) ago

Interior

  • Interior Features: First Floor Entry, Second Floor Entry, Bar, Closet Cabinetry, Pantry, Walk-In Closet(s), Wet Bar, Family Room, Storage
  • Appliances: Dishwasher, Disposal, Dryer, Microwave, Gas Range, Refrigerator, Washer
  • Furnishings: Furnished, Furniture Negotiable
  • Flooring: Tile

Rooms

Bathrooms

  • Total Bathrooms: 8
  • Full Bathrooms: 7
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 8
  • Bedroom Features: Entry Level

Other Rooms

  • Living Room: Family Room, Storage Room Sq. Ft.

Additional Information

  • Pool: Yes
  • Pool Description: In Ground, 25x30
  • Spa: Yes
  • Security/Safety: Smoke Detector

Exterior

  • Exterior Features: Lighting, Open Balcony
  • Deck/Patio: Open Balcony, Open Porch

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Garage Spaces: 1
  • Carports: Yes
  • Carport Spaces: 4
  • Covered Spaces: 5
  • Parking Features: Attached Carport, Circular Driveway, Covered, Driveway, Guest, Paver Block, Rv/Boat Parking

Location

  • Area: Old Highway
  • County: Monroe County
  • Subdivision: Old Highway
  • Building Name: Old Highway
  • Direction Faces: East

Community

  • Community Name: Old Highway

Heating & Cooling

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

Utilities

  • Sewer: Public Sewer
  • Water: Municipal Water

Structural Information

  • Architectural Style: Attached, Three Or More Stories
  • Structure Type: House
  • Detached/Attached: Detached
  • Construction: CBS Construction
  • Roof: Concrete
  • Windows: Complete Impact Glass
  • Doors: High Impact Doors
  • Square Feet: 6,500
  • Living Area: 6,500 Sq. Ft.
  • Year Built: 2002

Lot Features

  • Property View: Ocean
  • Lot Size (Sq. Ft.): 60,723
  • Frontage Feet: 108
  • Lot Features: 2 To Less Than 3 Acre Lot
  • Zoning: Residential Estate
  • Fencing (Description): Fenced

Water Features

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

Financial Considerations

  • Price Per Sq. Ft.: $2,307.54
  • Tax Amount: $52,503
  • Tax Year: 2025

Disclosures and Reports

  • Legal Description: 5 63 38 PLANTATION KEY OR LONG ISLAND PT GOV LT 6 AND ADJ BAY BTM G31-127
  • Restrictions: Ok To Lease With Res
  • Inclusions: Boatlift, Private Dock
  • Property ID: 00092490-000000

Listed by Langley Knight Gardner Islamorada

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Listing agent

— 89401 Old Hwy —

  • Langley Knight Gardner Islamorada

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Schools serving 89401 Old Hwy

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Plantation Key School
100 Lake Road, Tavernier, FL 33070
PK-80.3 mi
Coral Shores High School
89901 Old Highway, Tavernier, FL 33070
9-120.5 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 89401 Old Hwy Get Price Alerts and Save Property

Date
Details
Price
Change
Source
6/01/2026
Listed
$14,999,000
597.63%
MLS
4/11/2011
Sold
$2,150,000
—
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 89401 Old Hwy

Year
Property Taxes
Change
Tax Assessment
Change
2024
$49,183
—
$6,799,258
—
2024
$49,183
7%
$6,783,581
8%
2023
$46,124
30%
$6,290,627
75%
2021
$35,558
-12%
$3,592,012
-28%
2022
$40,438
14%
$5,021,328
38%
2021
$35,558
13%
$3,630,853
20%
2019
$31,531
-6%
$3,034,436
-2%
2018
$33,562
2%
$3,089,273
-12%
2017
$32,851
-2%
$3,525,936
-5%
2016
$33,608
11%
$3,727,777
64%
2015
$30,220
38%
$2,272,200
10%
2014
$21,894
-1%
$2,065,637
1%
2013
$22,076
—
$2,049,550
—
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 Langley Knight Gardner Islamorada

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89401 Old Highway, Plantation Key, FL 33070 (MLS# A12028364) is a Single Family property with 8 bedrooms, 7 full bathrooms and 1 partial bathroom. 89401 Old Highway is currently listed for $14,999,000 and was received on June 01, 2026. Want to learn more about 89401 Old Highway? Do you have questions about finding other Single Family real estate for sale in Plantation Key? You can browse all Plantation Key real estate or contact a Coldwell Banker agent to request more information.

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