16750 Old State Road 4a

Sugarloaf Key, FL
$ 8,995,000 Beds 6 Baths 4.5 Sq 5,208 Virtual Tour
Monthly Estimate* How much can I afford?

Introducing Blue Water Lagoon Estate! Experience unmatched privacy and exceptional waterfront living at this gated 2.33-acre oceanfront estate in exclusive Sugarloaf Beach -- a location famously featured in the film ''True Lies''. Designed for the avid boater and those seeking a resort-style lifestyle, this 5,208 sq. ft. residence offers rare amenities and direct access to world-class fishing and diving.A protected 6-boat basin with room for extra boats is the centerpiece of the waterfront, complete with 25K and 16K lifts, a boat ramp, sandy beach, lookout point, and composite observation deck. After a day on the water, unwind in the lagoon-style saltwater pool with heater, chiller, and custom water features. The expansive tiki bar includes TVs, True refrigerator/freezer drawers, and an ice machine--perfect for effortless outdoor entertaining. Additional features include a firepit, private sandy beach, and a full outdoor kitchen equipped with built-in BBQ, Viking appliances, and True refrigeration.The upper level offers a bright and open Great Room with sweeping ocean views, a spacious dining area, and a chef's kitchen with stainless appliances. Two covered verandas provide ideal spaces for taking in the breezes and panoramic vistas. The primary suite features an office, en suite bath, walk-in closet with laundry, sunroom, and loft. Two additional upstairs guest rooms comfortably accommodate visitors, while the separate downstairs living area offers three more guest bedrooms for privacy and flexibility.Designed for hosting and convenience, the home is equipped with a Sonos sound system, property-wide Wi-Fi, abundant storage, a two-car garage with fishing lockers, and generous parking along a winding paver driveway. Lush, mature landscaping surrounds the property, creating a serene and secluded Sugarloaf Key retreat.Call for more information today!

Single Family

  • Price
  • $ 8,995,000
  • City
  • Sugarloaf Key
  • Bedrooms
  • 6
  • Full Bathrooms
  • 4
  • County
  • MONROE
  • Half Bathrooms
  • 1
  • Area
  • Bay Point to Sugarloaf
  • Lot Size
  • 2.33 Acres
  • Zip
  • 33042
  • Sqr Footage
  • 5,208
  • Year Built
  • 1959
  • Taxes
  • $ 42587
  • Style
  • Single Family
  • MLS#
  • 617329
Listed By: The Agency Florida Keys
Data Source: Florida Keys MLS (FLKMLS)

Features

General

Living Area 5208.00
Construction CBS
Utilities FKAA,Buyer to Verify
Roof Metal Roof
Appliances More Appliances,Stainless Steel Appliance(s),Wine Cooler,Ice Machine,Freezer,Microwave,Oven,Range,Refrigerator,Dishwasher,Dryer,Washer
Flood Zone AE,VE,VE,AE
Zoning SS - Sparsely Settled Residential District
HOA Fee 0.00
Pets Allowed Y/N Pets Allowed
Status Active
Full Baths 4
Half Baths 1
Year Built 1959
Subdivision Sugarloaf Beach (17.0)
Style Single Family
View Ocean View,Harbor/Marina View,Open Water View
Property Type A
Neighborhood Feature Other Area Features,Bike Paths
Fee Includes None
Acres 2.33
Lot Sqft 101536.00
Rental Allowed With Restrictions
Building Style: Above Flood Unknown
Control Depth 3
Dockage Boat Lift,Basin,Boat Slip,Boat Ramp
Dockage: Dock Concrete
Min Rental Days 30.00

Interior Features

Interior Amenities Drapes/Blinds Incl,Bar,Window Treatments,Whirlpool Bath Tub,Walk-in Closet(s),Storage,Security System,Granite Counter Top,Built-in Cabinets,Entrance Foyer,Split Bedroom
Total Units 0.00
Furnished Y/N Negotiable
Flooring Tile,Wood
Specialty Rooms Laundry Room,Workshop,Loft

Exterior Features

Exterior Amenities Bar,Water Display,Storage,Sprinkler System,Sandy Beach,Privacy Wall/Fence,Outdoor Shower,Outdoor Kitchen,Lanai,Lighting,Fencing,Chickee Hut,Built-in Grill
Pool Yes
Waterfront Oceanfront,Open Water
Land Size 2 Less Than 5 Acres
Pool Info In Ground,Concrete,Salt Water
Pool Info: Heated Yes
Pool Info: Other Chiller
Porch/Balcony Open Porch/Balcony,Screened P/B
Public Sewer Hookup No
Side Ocean
Vehicle Storage Garage,Trailer Storage,RV Parking Open,Off Street Parking,Attached
Windows/Doors Impact Rstnce Window,Impact Rstnce Doors

Amenities

  • Foreclosure
  • Views
  • Short Sale
  • New Construction
  • Adult 55+
  • Lease To Own
  • No HOA Fees
  • Furnished
  • Primary On Main
  • Air Conditioning
  • Seller Finance
  • Green
  • Fixer Upper
  • Horse
  • Golf
  • Fireplace
  • Deck
  • Garage
  • Basement
  • Pool

Affordability Calculator

$3,786

Per Month

Based on the average sale price from the Doral, FL office

  • Monthly Principal & interest $2,658
  • Monthly Property Taxes $1,062
  • Monthly Home Insurance $67
Adjust Payment Options
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Let's determine your purchasing power. Working with my mortgage partner, you'll have the information you need to shop for a home with confidence.

Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA, or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

Schools

Elementary School Unknown Elementary School
Middle School Unknown Middle School
High School Unknown High School

Price History

11/15/2025 Listed $9,950,000
3/18/2026 10% - $8,995,000

Property vs Zip Code Average in 33042

Price
AVG $1.6M
$9M
Taxes
AVG $7,721
$42,587
Year Built
AVG 1994
1959
Visits
AVG 175
450
Data Provided by Inside Real Estate®

Areas That We Cover

16750 Old State Road 4a Sugarloaf Key, FL is a Single Family Home for sale at $8995000 with 5208 sqft and a lot size of 2.33 Acres Acre(s). 16750 Old State Road 4a Sugarloaf Key has 6 bedrooms, 4 baths and was built in 1959. The property's zip code is 33042 which is in Sugarloaf Key, FL

*Information deemed reliable but not guaranteed.

Financial calculator disclaimer: Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.

Mortgage calculator provided courtesy of Inside Real Estate.

All information deemed reliable, but not guaranteed, and should be independently verified. The real estate information and related content displayed on this site is provided for consumers personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.