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16750 Old State Road 4A, Sugarloaf Key, FL 33042

$8,995,000
Property Type: Residential Bedrooms: 6 Baths: 5 Square Footage: 5,208 Lot Size (sq. ft.): 101,536 Status: Active
Current Price: $8,995,000 List Date: 11/15/2025 Last Modified: 3/18/2026

Overview

Description

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 ...

Listing Details MLS# 617329

Location, Tax & Legal

Street #
16750
Street Name
Old State Road 4A
Key/Island
Sugarloaf Key
State/Province
FL
Zip Code
33042
County
Monroe
Subdivision
Sugarloaf Beach (17.0)
Area
06 - Bay Point to Sugarloaf
City
Sugarloaf
Mile Marker
17
Marathon Neighborhood
N/A
Side
Ocean
Flood Zone
AE,VE,VE,AE
Alternate Key #
1152901
Parcel #
00119370-000000
Zoning
SS - Sparsely Settled Residential District
Deed Restrictions
Unknown
Legal
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
Taxes
42587.89
Tax Year
2024
Pub Sewer HkUp
No

Contract Information

Listing Board
Key West Association

General Property Description

Realtor.COM Type
Residential - Single Family
Style
Single Family
Waterfront
Yes
Control Depth
3
Pool
Yes
Year Built
1959
Lot SqFt
101536
Lot Sqft Source
Property Data Card
Acres
2.33
Living Apx SqFt
5208
SqFt Source
Property Data Card
Total Bedrooms
6
Full Baths
4
Half Baths
Yes
Total Baths
5
Rentals Allowed
With Restrictions
Min Rental Days
30
Total Units
0

Association Info

Mandatory Home Owners Asc
No
1st Right of Refusal
No
Association Fee $
0

Dockage

Dock
Concrete
Basin
Yes
Boat Lift
Yes
Boat Ramp
Yes
Boat Slip
Yes

More Information

Building Style

Above Flood
Unknown

Pool Info

Other
Chiller
Heated
Yes
In Ground
Yes
Salt Water
Yes
Concrete
Yes

Remarks & Misc

Remarks – Consumer
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!

Fee Includes

None
Yes

Tax Exemptions

None
Yes

Appliances

Dishwasher
Yes
Dryer
Yes
Freezer
Yes
Ice Machine
Yes
Microwave
Yes
More Appliances
Yes
Oven
Yes
Range
Yes
Refrigerator
Yes
Stainless Steel Appliance(s)
Yes
Washer
Yes
Wine Cooler
Yes

Pets

Pets Allowed
Yes

Cooling

Ceiling Fans(s)
Yes
Central Air
Yes

Heating

Central
Yes

Waterfront

Oceanfront
Yes
Open Water
Yes

Waterview

Harbor/Marina View
Yes
Ocean View
Yes
Open Water View
Yes

Floor

Tile
Yes
Wood
Yes

Neighborhood Feature

Bike Paths
Yes
Other Area Features
Yes

Interior Features

Bar
Yes
Built-in Cabinets
Yes
Drapes/Blinds Incl
Yes
Entrance Foyer
Yes
Granite Counter Top
Yes
Security System
Yes
Split Bedroom
Yes
Storage
Yes
Walk-in Closet(s)
Yes
Whirlpool Bath Tub
Yes
Window Treatments
Yes

Specialty Rooms

Laundry Room
Yes
Loft
Yes
Workshop
Yes

Windows/Doors

Impact Rstnce Doors
Yes
Impact Rstnce Window
Yes

Vehicle Storage

Garage
Yes
RV Parking Open
Yes
Attached
Yes
Off Street Parking
Yes
Trailer Storage
Yes

Security

Electric Gate
Yes
On Premises System
Yes

Construction

CBS
Yes

Land Size

2 Less Than 5 Acres
Yes

Furnished

Negotiable
Yes

Terms

Cash
Yes
Conventional
Yes

Utilities

Buyer to Verify
Yes
FKAA
Yes

Porch/Balcony

Open Porch/Balcony
Yes
Screened P/B
Yes

Title

Negotiable
Yes

Exterior Features

Bar
Yes
Built-in Grill
Yes
Chickee Hut
Yes
Fencing
Yes
Lanai
Yes
Lighting
Yes
Outdoor Kitchen
Yes
Outdoor Shower
Yes
Privacy Wall/Fence
Yes
Sandy Beach
Yes
Sprinkler System
Yes
Storage
Yes
Water Display
Yes

Roof

Metal Roof
Yes

Property Features

Fee Includes: None Tax Exemptions: None Waterfront: Oceanfront; Open Water Waterview: Harbor/Marina View; Ocean View; Open Water View Dockage: Basin; Boat Lift; Boat Ramp; Boat Slip Vehicle Storage: Garage; Attached; Off Street Parking; RV Parking Open; Trailer Storage Furnished: Negotiable Cooling: Ceiling Fans(s); Central Air Heating: Central Utilities: Buyer to Verify; FKAA Interior Features: Bar; Built-in Cabinets; Drapes/Blinds Incl; Entrance Foyer; Granite Counter Top; Security System; Split Bedroom; Storage; Walk-in Closet(s); Whirlpool Bath Tub; Window Treatments Specialty Rooms: Laundry Room; Loft; Workshop Appliances: Dishwasher; Dryer; Freezer; Ice Machine; Microwave; More Appliances; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Bar; Built-in Grill; Chickee Hut; Fencing; Lanai; Lighting; Outdoor Kitchen; Outdoor Shower; Privacy Wall/Fence; Sandy Beach; Sprinkler System; Storage; Water Display Pool Info: In Ground; Salt Water; Concrete Construction: CBS Floor: Tile; Wood Roof: Metal Roof Pets: Pets Allowed Neighborhood Feature: Bike Paths; Other Area Features Security: Electric Gate; On Premises System Land Size: 2 Less Than 5 Acres Terms: Cash; Conventional Title: Negotiable
Listing Office: The Agency Florida Keys
Last Updated: March - 18 - 2026
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