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  • 86600 Overseas Highway, Plantation Key, FL 33036 (MLS# 621011)

86600 Overseas Highway, Plantation Key, FL 33036

$15,000,000
Property Type: Vacant Land Lot Size (sq. ft.): 933,490 Status: Active
Current Price: $15,000,000 List Date: 8/17/2026 Last Modified: 9/28/2026

Overview

Description

Discover an extraordinary opportunity on Florida Bay in Plantation Key, offering a rare combination of privacy, natural beauty and approximately 1,250 feet of waterfront with sweeping open-water views and spectacular sunsets. The property encompasses 21+ acres, with approximately 5 acres cleared for the homesite and improvements. The remaining acreage creates an exceptional natural backdrop and sense of seclusion rarely found in the Florida Keys. A private drive winds through the tropical surroundings to the homesite, while a completed observation deck provides a beautiful vantage point overlooking Florida Bay. Included with the offering are architectural plans for an approximately 18,000-square-foot, 8-bedroom luxury residence designed specifically for this exceptional property. The proposed home features eight bedroom suites, expansive living and entertaining spaces, chef-inspired kitchen, private office, game room, elevator, extensive garage and storage areas, covered balconie ...

Listing Details MLS# 621011

Location, Tax & Legal

Street #
86600
Street Name
Overseas
Street Suffix
Highway
Key/Island
Plantation Key
State/Province
FL
Zip Code
33036
County
Monroe
Subdivision
Unplatted Windley Key (88.0)
Area
24 - Windley Key
City
ISLAMORADA
Off Shore Island
No
Mile Marker
88
Marathon Neighborhood
N/A
Side
Bay/Gulf
Alternate Key #
1106208
Parcel #
00092120000000
Zoning
NR - Native Residential
Deed Restrictions
Unknown
Legal
13 63 37 Pt Gov Lot 1 & Pt W670 Ft Of Se1/4 Of Se1/4 N Of H/W Plantation Key Or584-499 Or2794-497/500 Or2794-501/04 Or29
Taxes
43978.69
Tax Year
2025

Contract Information

Listing Board
Florida Keys
Limited Representation
No
Potential Short Sale
No
Bank Owned
No

General Property Description

Realtor.COM Type
Vacant Land
Waterfront
Yes
Control Depth
5
Lot Dimensions
X
Lot SqFt
933490
Lot Sqft Source
Tax Records

Miscellaneous Info

Mobile Home Lot
No

Dockage

Dock
Wood

More Information

Financial Status

Bank Owned
No
Potential Short Sale
No

Remarks & Misc

Remarks – Consumer
Discover an extraordinary opportunity on Florida Bay in Plantation Key, offering a rare combination of privacy, natural beauty and approximately 1,250 feet of waterfront with sweeping open-water views and spectacular sunsets. The property encompasses 21+ acres, with approximately 5 acres cleared for the homesite and improvements. The remaining acreage creates an exceptional natural backdrop and sense of seclusion rarely found in the Florida Keys. A private drive winds through the tropical surroundings to the homesite, while a completed observation deck provides a beautiful vantage point overlooking Florida Bay. Included with the offering are architectural plans for an approximately 18,000-square-foot, 8-bedroom luxury residence designed specifically for this exceptional property. The proposed home features eight bedroom suites, expansive living and entertaining spaces, chef-inspired kitchen, private office, game room, elevator, extensive garage and storage areas, covered balconies and terraces, plus a pool and spa with generous outdoor living areas. The $15M offering includes the 21+ acre property, the architectural plans and improvements contemplated as part of the offering. Utilities and related infrastructure are being advanced in connection with the planned estate. For buyers interested in bringing the architectural vision to completion, the seller is willing to discuss completing the residence in accordance with the existing plans for a separately negotiated additional amount. An exceptionally rare opportunity combining 21+ acres, approximately 1,250 feet of Florida Bay frontage, privacy and the potential for a significant private estate. Ideally positioned near Snake Creek, with convenient Bay-to-Ocean access and proximity to Founders Park. Create a private Florida Bay retreat where expansive acreage, waterfront living, privacy and sophisticated residential design come together in one extraordinary setting.

Assoc/Misc Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No

Tax Exemptions

None
Yes

Waterfront

Bay Front
Yes
Open Water
Yes

Waterview

Bay View
Yes
Open Water View
Yes

Location/Site

Cleared Site
Yes
Water Frontage
Yes

Existing Utilities

Undergrnd Utilities
Yes

BuildingPermit

Active Permit
Yes

Security

No Security
Yes

Land Size

10 or more Acres
Yes

Terms

Buyer Obtain Finance
Yes

Property Features

Tax Exemptions: None Waterfront: Bay Front; Open Water Waterview: Bay View; Open Water View Existing Utilities: Undergrnd Utilities BuildingPermit: Active Permit Security: No Security Land Size: 10 or more Acres Terms: Buyer Obtain Finance
Listing Office: Real Estate Sales Force, Inc.
Last Updated: September - 28 - 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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