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$19,750,000
Property Description
Rare Private Sandy Beach - Oceanfront Estate with endless open ocean views, just 30 minutes to Key West! This is a once-in-a-lifetime opportunity to own over 5 acres of sprawling oceanfrontage on exclusive Sugarloaf Beach, with over 500 feet of pristine sandy shoreline. Zoned Sub Urban Residential, this rare estate offers unmatched potential--create a private luxury compound, a boutique resort rental, or VIP luxury retreat. One of the few properties in the Lower Keys where lucrative nightly rentals are allowed with Special Vacation Rental Permits, this remarkable estate provides exceptional flexibility with ample room to expand. This estate has two existing Single Family Residences - the main house has 4 bedrooms 4 bathrooms and the second house has 2 bedrooms, 2 bathrooms and 1 half bath. Currently set up as two luxury nightly vacation rental homes! New 430-foot dock with stainless steel pilings, stainless steel support beams and composite decking. The 5-foot draft welcomes larger boats! Arrange private charter pick ups at the dock for your guests. Enjoy world-class boating, fishing and diving on your doorstep. American Shoal Lighthouse is only 5 miles directly in front of this spectacular property. Located on highly desirable Lower Sugarloaf Key in the Lower Keys, only 30 minutes to Key West, this hidden sanctuary is an unmatched offering for a discerning buyer seeking privacy, scale, and fantastic re-development potential. Nothing comparable exists in the area! Sugarloaf Beach remains one of the most coveted and rare stretches of beachfront in the Florida Keys. Whether you envision a secluded tropical retreat, a boutique luxury rental, or a visionary new oceanfront compound, this property is incredible with amazing potential to redefine with your personal touch. Opportunities like this come once in a lifetime. Take your private tour today and unlock the full potential of this iconic oceanfront estate!
Full Property Details
Full Property Details for 15760 Old State Rd 4a
General
- Price: $19,750,000
- Taxes: $22,269 (2024)
- Status: Active
- Type: Multi-Family
- Source: 927
- MLS ID: 617534
- Updated: 5/13/2026
- Added to Site: 163 day(s) ago
Interior
- Interior Features: Fire Sprinkler, Quartz Countertops, Smoke Alarms, Split Bedroom, Storage
- Appliances: Dishwasher, Dryer, Freezer, Microwave, Oven, Range, Refrigerator, Washer
- Flooring: Tile
Rooms
Bathrooms
- Total Bathrooms: 7
- Full Bathrooms: 6
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 6
Additional Information
- Shared Amenities: Bike Paths
- Security/Safety: Electric Gate, On Premises System
Exterior
- Exterior Features: Sandy Beach
- Deck/Patio: Open Porch/Balcony
- Porch/Patio/Deck: Open Porch/Balcony
Parking
- Garage: Yes
- Parking Features: Open
Location
- Area: 06 - Bay Point to Sugarloaf
- County: Monroe
- Subdivision: Sugarloaf Beach (17.0)
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Central Air
- Heating Type: Central
Structural Information
- Architectural Style: Above Flood
- Construction: CBS, Frame
- Roof: Metal
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
- Square Feet: 4,402
- Sq. Ft. Source: Appraisal
- Year Built: 1976
Lot Features
- Property View: Ocean
- Lot Size (Acres): 5.33
- Lot Size (Sq. Ft.): 232,174
- Zoning: SRL - Sub Urban Residential District Limited
Water Features
- Water Front: Yes
- Water Front Desc.: Oceanfront
Financial Considerations
- Tax Amount: $22,269.95
- Tax Year: 2024
Disclosures and Reports
- Legal Description: 15 67 27 PT GOVT LOT 1 SUGAR LOAF KEY and Sugarloaf Key PT GOV LT1
- Flood Zone: AE, AE, VE, VE
- APN: 00119480-000400
Listed by The Agency Florida Keys, Lisa Swanson (305) 924-3777
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Schools
Schools serving 15760 Old State Rd 4a
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Sugarloaf School 255 Crane Boulevard, Summerland Key, FL 33042 | PK-8 | 3.8 mi |
Key West High School 2100 Flagler Avenue, Key West, FL 33040 | 9-12 | 14.4 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 15760 Old State Rd 4a
Date
Details
Price
Change
Source
12/01/2025
Listed
$19,750,000
2327.78%
MLS
3/29/2024
Sold
$813,500
—
Public Record
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
Tax History for 15760 Old State Rd 4a
Year
Property Taxes
Change
Tax Assessment
Change
2024
$22,270
—
$2,464,648
—
2024
$22,270
-14%
$2,470,190
-21%
2023
$25,931
18%
$3,119,566
34%
2021
$21,992
-7%
$2,320,698
-20%
2022
$23,602
7%
$2,906,403
31%
2021
$21,992
33%
$2,218,437
57%
2019
$16,521
-3%
$1,414,351
-12%
2018
$17,100
17%
$1,614,700
10%
2017
$14,664
6%
$1,467,909
9%
2016
$13,852
60%
$1,341,067
64%
2015
$8,635
-3%
$815,722
1%
2014
$8,921
-1%
$809,248
1%
2013
$9,053
—
$797,289
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 15760 Old State Rd 4a
15760 Old State Road 4A, Sugarloaf Key, FL 33042 (MLS# 617534) is a Multi-Family property with 0 units containing 6 bedrooms, 6 full bathrooms and 1 partial bathroom. 15760 Old State Road 4A is currently listed for $19,750,000 and was received on December 01, 2025. Want to learn more about 15760 Old State Road 4A? Do you have questions about finding other Multi-Family real estate for sale in Sugarloaf Key? You can browse all Sugarloaf Key real estate or contact a Coldwell Banker agent to request more information.
