89401 Old Highway, Plantation Key, FL

$13,500,000

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8

Beds

8

Baths

6,500

Square feet

1.39

Acres

About 89401 Old Highway

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.

Features of 89401 Old Highway

MLS® # A12028364
Price $13,500,000
Bedrooms 8
Bathrooms 8.00
Full Baths 7
Half Baths 1
Square Footage 6,500
Acres 1.39
Year Built 2002
Type Residential
Sub-Type Single Family Residence
Status Active

Community Information

Address 89401 Old Highway
Area 5940 - Other Florida County
Subdivision Old Highway
City Plantation Key
County Monroe
State FL
Zip Code 33070

Amenities

Parking Attached Carport, Circular Driveway, Covered, Driveway, Guest, Paver Block, RV Access/Parking, Garage, Carport, Attached Garage, Attached, Boat Access/Parking
# of Garages 1
View Ocean
Is Waterfront Yes
Waterfront Ocean Front
Has Pool Yes
Pool In Ground

Interior

Interior Features Bar, Pantry, Wet Bar, Walk-In Closet(s), Closet Cabinetry, Storage
Appliances Dryer, Disposal, Dishwasher, Gas Range, Microwave, Refrigerator, Washer
Heating Central
Cooling Central Air
Fireplace No
# of Stories 3
Stories Three Or More

Exterior

Exterior Features Lighting, Balcony
Roof Concrete
Construction CBS

School Information

Elementary Plantation Key
Middle Plantation Key
High Coral Shores

Additional Information

Date Listed June 1st, 2026
Days on Market 100
Zoning Residential Estate
Foreclosure No
Short Sale No
RE / Bank Owned No

Listing Details

OfficeLangley Knight Gardner Islamorada

Listing Map

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