About 15760 Old State Road 4a
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 homes - the main house has 4 bedrooms 4 bathrooms and the guest house has 2 bedrooms, 2 bathrooms and 1 half bath. Currently set up as two luxury nightly vacation rental homes! A new 430-foot dock is currently under construction with stainless steel pilings, stainless steel support beams and composite decking. Completion estimated in Feb/Mar included in the sale. 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 Lighthouseis 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 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!
Features of 15760 Old State Road 4a
| MLS® # | 617534 |
|---|---|
| Price | $19,750,000 |
| Bedrooms | 6 |
| Bathrooms | 7.00 |
| Full Baths | 6 |
| Half Baths | 1 |
| Square Footage | 4,402 |
| Acres | 5.33 |
| Year Built | 1976 |
| Type | Residential |
| Sub-Type | Single Family |
| Status | Active |
Community Information
| Address | 15760 Old State Road 4a |
|---|---|
| Area | 06 - Bay Point to Sugarloaf |
| Subdivision | Sugarloaf Beach (17.0) |
| City | Sugarloaf |
| County | Monroe |
| State | FL |
| Zip Code | 33042 |
Amenities
| Amenities | Bike Paths |
|---|---|
| Utilities | FKAA, Aerobic System |
| Parking | Garage, Open Parking |
| View | Ocean View |
| Is Waterfront | Yes |
| Waterfront | Oceanfront |
| Has Pool | No |
Interior
| Interior Features | Split Bedroom, Quartz Countertops, Storage, Smoke Alarms, Fire Sprinkler |
|---|---|
| Appliances | Washer, Freezer, Microwave, Oven, Range, Refrigerator, Dishwasher, Dryer |
| Heating | Central |
| Cooling | Central Air |
| Fireplace | No |
Exterior
| Exterior Features | Sandy Beach |
|---|---|
| Lot Description | 5 Less Than 10 Acres |
| Windows | Impact Rstnce Window, Impact Rstnce Doors |
| Roof | Metal Roof |
| Construction | CBS, Frame |
Additional Information
| Date Listed | December 1st, 2025 |
|---|---|
| Days on Market | 48 |
| Zoning | SRL - Sub Urban Residential District Limited |
| Short Sale | No |
| RE / Bank Owned | No |
| HOA Fees | 0.00 |
Listing Details
| Agent | Lisa Swanson |
|---|---|
| Office | The Agency Florida Keys |