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$8,995,000

  • For Sale
  • Active
  • Single Family
  • 6 Beds
  • 4 Full Baths
  • 1 Partial Bath
  • 5,208 Sq. Ft.
  • Updated 5 hours ago

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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!

Full Property Details for 16750 Old State Rd 4a

General

  • Price: $8,995,000
  • Taxes: $42,587 (2024)
  • Status: Active
  • Type: Single Family
  • Source: 927
  • MLS ID: 617329
  • Updated: 5/13/2026
  • Added to Site: 179 day(s) ago

Interior

  • Interior Features: Workshop, Entrance Foyer, Walk-in Closet(s), Bar, Built-in Cabinets, Drapes/Blinds Incl, Granite Counter Top, Security System, Split Bedroom, Storage, Whirlpool Bath Tub, Window Treatments, Loft
  • Appliances: Stainless Steel Appliance(s), Dishwasher, Dryer, Freezer, Ice Machine, Microwave, More Appliances, Oven, Range, Refrigerator, Washer, Wine Cooler
  • Flooring: Wood, Tile

Rooms

Bathrooms

  • Total Bathrooms: 5
  • Full Bathrooms: 4
  • Half Bathrooms: 1

Bedrooms

  • Total Bedrooms: 6

Other Rooms

  • Laundry: Laundry Room

Additional Information

  • Shared Amenities: Other Area Features, Bike Paths
  • Pool: Yes
  • Pool Description: Concrete, Heated, Salt Water, In Ground
  • Security/Safety: Electric Gate, On Premises System

Exterior

  • Exterior Features: Lighting, Bar, Built-in Grill, Chickee Hut, Fencing, Lanai, Outdoor Kitchen, Outdoor Shower, Privacy Wall/Fence, Sandy Beach, Sprinkler System, Storage, Water Display, Boat Slip
  • Deck/Patio: Open Porch/Balcony, Screened
  • Porch/Patio/Deck: Open Porch/Balcony, Screened

Parking

  • Garage: Yes
  • Attached garage: Yes
  • Parking Features: Off Street, Attached

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, Ceiling Fans(s)
  • Heating Type: Central

Structural Information

  • Architectural Style: Above Flood
  • Construction: CBS
  • Roof: Metal
  • Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
  • Square Feet: 5,208
  • Sq. Ft. Source: Property Data Card
  • Year Built: 1959

Lot Features

  • Property View: Harbor/Marina View, Open Water View, Ocean
  • Lot Size (Acres): 2.33
  • Lot Size (Sq. Ft.): 101,536
  • Lot Size Source: Property Data Card
  • Zoning: SS - Sparsely Settled Residential District

Water Features

  • Water Front: Yes
  • Water View: Yes
  • Water Front Desc.: Oceanfront, Open Water

Financial Considerations

  • Tax Amount: $42,587.89
  • Tax Year: 2024
  • Terms: Cash, Conventional

Disclosures and Reports

  • Legal Description: 14 67 27 SUGAR LOAF KEY PT LT 32 AND ALL LT 33 RESUB OF GOV LOT 1 US PATENT 1132587 AND BAY BOTTOM G60-378
  • Flood Zone: AE, VE, VE, AE
  • APN: 00119370-000000

Listed by The Agency Florida Keys, Lisa Swanson (305) 924-3777

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Listing agent

— 16750 Old State Rd 4a —

  • Lisa Swanson

    The Agency Florida Keys

Get Pre-Approved Today

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

Get Pre-Approved

Schools serving 16750 Old State Rd 4a

School District:Monroe County School District, Middle Torch Key, FL
NameGradesDistance
Sugarloaf School
255 Crane Boulevard, Summerland Key, FL 33042
PK-83.2 mi
Key West High School
2100 Flagler Avenue, Key West, FL 33040
9-1215.3 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 16750 Old State Rd 4a Get Price Alerts and Save Property

Date
Details
Price
Change
Source
11/15/2025
Listed
$8,995,000
32.28%
MLS
6/11/2024
Sold
$6,800,000
—
Public Record
Get Price Alerts and Save Property
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 for 16750 Old State Rd 4a

Year
Property Taxes
Change
Tax Assessment
Change
2024
$42,588
—
$5,569,095
12%
2024
$42,588
-5%
$4,975,370
-9%
2023
$44,951
58%
$5,443,440
67%
2021
$28,431
-29%
$3,266,428
-30%
2022
$39,779
40%
$4,634,995
72%
2021
$28,431
11%
$2,693,243
-1%
2019
$25,722
-12%
$2,733,875
-10%
2018
$29,321
-1%
$3,032,147
-2%
2017
$29,582
3%
$3,085,070
6%
2016
$28,758
6%
$2,914,513
10%
2015
$27,100
39%
$2,641,715
52%
2014
$19,508
5%
$1,737,322
10%
2013
$18,590
—
$1,579,384
—
View All
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 for 16750 Old State Rd 4a

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*These costs are estimates, and the interest rates assume exceptional credit standing.

Be ready to buy your new home!

with our affiliated lender
NMLS#: 1598647

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Listed by The Agency Florida Keys, Lisa Swanson (305) 924-3777

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16750 Old State Road 4A, Sugarloaf Key, FL 33042 (MLS# 617329) is a Single Family property with 6 bedrooms, 4 full bathrooms and 1 partial bathroom. 16750 Old State Road 4A is currently listed for $8,995,000 and was received on November 15, 2025. Want to learn more about 16750 Old State Road 4A? Do you have questions about finding other Single 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.

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