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88845 Old Highway, 
Plantation Key, FL 33070

$27,000,000


5

Beds


8

Baths


8,200

Sq Ft


Single Family

Active

Listed by

Courtney Conley

Angel Nicolas

Serhant Florida LLC. - Coconut Grove

Last updated:

May 9, 2026, 02:50 PM

MLS#

619825

Source:

FL FKBOR

About This Home

88845 Old Highway

Set on over 2 acres along prestigious Millionaire's Row in Tavernier, this newly constructed oceanfront estate represents a rare convergence of scale, design, and functionality in the Upper Florida Keys. Encompassing 8,200 square feet of interior living space and over 16,000 square feet total, the residence is thoughtfully designed to accommodate both elevated everyday living and large-scale entertaining.The home features 5 bedrooms, 6 full baths, and 2 half baths, with all bedrooms offering en suite accommodations, custom closet build-outs, and refined finishes throughout. Additional interior spaces include a dedicated office, control room, mud room, and laundry room, providing both comfort and operational efficiency. A private elevator, whole-home sound system, and advanced mechanical infrastructure--including 600-amp service, multiple electrical panels, and five independent AC zones--underscore the property's level of detail and performance. Interior finishes are curated with a modern coastal aesthetic, highlighted by white diamond marble and teak wood flooring & a custom steel roof. The chef's kitchen is outfitted with top-tier Wolf, SubZero, and Cove appliances, including a 60-inch range, dual dishwashers, farmhouse sinks, and custom mahogany countertops--designed to seamlessly blend form and function. Outdoor living is equally exceptional, with 240 feet of oceanfront, anchored by a 120-foot resort-style pool, complete with multiple heating and chilling systems, a gas-heated spa, and full smart control. A fully equipped summer kitchen, cabana bath, and multiple covered entertaining areas create a true indoor-outdoor lifestyle experience. Additional highlights include a 3-car garage and fully equipped workshop with air conditioning, utilities, security systems, and custom lighting. The property is also zoned for weekly rentals, presenting a compelling opportunity for both personal enjoyment and income potential.

Home Facts

Single Family

8 Baths

5 Bedrooms

Built in 2025

Price Summary

27,000,000

$3,292 per Sq. Ft.

MLS #:

619825

Last Updated:

May 9, 2026, 02:50 PM

Added:

13 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

5

Bathrooms

Total Bathrooms:

8


Structure

Structure

Building Area:

8,200 Sq. Ft.

Year Built:

2025


Lot

Lot Size (Sq. Ft):

94,089


Finances & Disclosures

Finances

Price:

$27,000,000

Price per Sq. Ft:

$3,292 per Sq. Ft.

Source:FL FKBOR
The information being provided by Florida Keys Board Of REALTORS®, Inc. is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Florida Keys Board Of REALTORS®, Inc. All rights reserved.

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.