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88835 & 88845 Old Highway, Plantation Key, FL 33070

New Listing
$40,000,000
Property Type: Residential Bedrooms: 8 Baths: 11 Square Footage: 9,704 Lot Size (sq. ft.): 183,017 Status: Active
Current Price: $40,000,000 List Date: 5/08/2026 Last Modified: 5/08/2026

Description

A rare dual-offering on coveted Millionaire's Row in Tavernier, this extraordinary oceanfront compound spans over multiple acres across two parcels-delivering an unmatched combination of scale, privacy, and future development flexibility in the Florida Keys. At 88845, a newly constructed 8,200SF estate sets a new standard for modern coastal luxury. Thoughtfully designed for both grand entertaining and private retreat, the residence offers 5 bedrooms, 6 full baths & 2 half baths, complemented by a dedicated office, control room, mudroom, and expansive 3-car garage with climate-controlled workshop. Interior finishes are curated at the highest level, including white diamond marble, teak wood flooring, custom millwork & a vapor fireplace, while a full-home sound system, elevator & advanced mechanical infrastructure provide seamless functionality. The chef's kitchen is equipped with top-tier Wolf, SubZero, & Cove appliances, dual dishwashers, farmhouse sinks, refrigerated drawers, wine storage & custom mahogany countertops-designed to accommodate both everyday living and large-scale entertaining. Outdoor living is equally impressive, anchored by a 120-foot resort-style pool with integrated spa, heating & chilling systems, & full smart control. A fully equipped summer kitchen, cabana bath, & multiple covered terraces create a true waterfront lifestyle experience. With 480 feet of water frontage, the protected basin offers exceptional boating capabilities, including 90 feet of dockage & room to expand, a 20,000lb lift, boat ramp & deep-water access. The adjacent parcel at 88835 provides over 3 acres of additional opportunity featuring a renovated 3-bedroom residence completed in 2022, with a transferable TDR allowing for the development of a substantially larger primary home. The property also includes a buildable lot & natural hammock buffer for added privacy. Together, these two properties present a generational opportunity to own a one of a kind waterfront compound.

More Information MLS# 619826

Contract Information

Current Price: $40,000,000 Listing Date: 2026-05-08 Listing Board: Florida Keys List Price: $40,000,000 As is Rght to Inspct: Yes

Location Tax Legal

Street #: 88835 Street Name: & 88845 Old Street Suffix: Highway Key/Island: Plantation Key State/Province: FL Zip Code: 33070 County: Monroe Subdivision: Pearl City (89.0) Area: 25 - Plantation Key

General Property Description

Realtor.COM Type: Residential - Single Family Style: Single Family Waterfront: Yes Control Depth: 8 Pool: Yes Year Built: 2022 Lot Size: X Lot SqFt: 183017 Lot Sqft Source: Property Data Card Acres: 2.05 Living Apx SqFt: 9704 SqFt Source: Seller Total Bedrooms: 8 Full Baths: 8 Half Baths: 3 Total Baths: 11 Rentals Allowed: Yes Min Rental Days: 7

Status Change Info

Status: Active

Association Info

Mandatory Home Owners Asc: No 1st Right of Refusal: No

Dockage

Dock Length: 90

Building Style

Above Flood: Unknown

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Ocean View; Open Water View Dockage: Basin; Boat Lift; Boat Ramp; Boat Slip Property Condition: New Construction Vehicle Storage: Garage; Carport; Auto Door Opener; Covered Parking; Off Street Parking; Open Parking; Trailer Storage Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Utilities: Buyer to Verify; Cable Available; FKAA Interior Features: Built-in Cabinets; Elevator; Entrance Foyer; Security System; Storage; Walk-in Closet(s) Pre-Wired: Cable; Surround Sound Specialty Rooms: Laundry Room; Utility Room; Workshop Appliances: Dishwasher; Disposal; Dryer; Freezer; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Built-in Grill; Hot Tub; Lighting; Outdoor Kitchen; Sandy Beach; Storage Pool Info: Concrete Construction: CBS; Concrete Floor: Marble; Tile; Wood Roof: Metal Roof Pets: Pets Allowed Land Size: 5 Less Than 10 Acres Title: Title Ins - Buyer
Listing Office: Serhant Florida LLC - Coconut Grove
Last Updated: May - 08 - 2026
The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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