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

$9,950,000
Property Type: Residential Bedrooms: 6 Baths: 5 Square Footage: 5,208 Lot Size (sq. ft.): 101,536 Status: Active
Current Price: $9,950,000 List Date: 11/15/2025 Last Modified: 11/19/2025

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 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!

More Information MLS# 617329

Contract Information

Listing Board: Key West Association Current Price: $9,950,000 Listing Date: 2025-11-15 List Price: $9,950,000

Location, Tax & Legal

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 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

General Property Description

Realtor.COM Type: Residential - Single Family Waterfront: Yes Control Depth: 3 Lot SqFt: 101536 Pool: Yes Lot Sqft Source: Property Data Card Total Units: 0 Acres: 2.33 SqFt Source: Property Data Card Rentals Allowed: With Restrictions Min Rental Days: 30 Style: Single Family Year Built: 1959 Living Apx SqFt: 5208 Total Bedrooms: 6 Full Baths: 4 Half Baths: 1 Total Baths: 5

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!

Association Info

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

Fee Includes

None: 1

Dockage

Dock: Concrete Basin: 1 Boat Lift: 1 Boat Ramp: 1 Boat Slip: 1

Tax Exemptions

None: 1

Appliances

Dishwasher: 1 Dryer: 1 Freezer: 1 Ice Machine: 1 Microwave: 1 More Appliances: 1 Oven: 1 Range: 1 Refrigerator: 1 Stainless Steel Appliance(s): 1 Washer: 1 Wine Cooler: 1

Pets

Pets Allowed: 1

Cooling

Ceiling Fans(s): 1 Central Air: 1

Heating

Central: 1

Waterfront

Oceanfront: 1 Open Water: 1

Waterview

Harbor/Marina View: 1 Ocean View: 1 Open Water View: 1

Floor

Tile: 1 Wood: 1

Neighborhood Feature

Bike Paths: 1 Other Area Features: 1

Interior Features

Bar: 1 Built-in Cabinets: 1 Drapes/Blinds Incl: 1 Entrance Foyer: 1 Granite Counter Top: 1 Security System: 1 Split Bedroom: 1 Storage: 1 Walk-in Closet(s): 1 Whirlpool Bath Tub: 1 Window Treatments: 1

Specialty Rooms

Laundry Room: 1 Loft: 1 Workshop: 1

Building Style

Above Flood: Unknown

Windows/Doors

Impact Rstnce Doors: 1 Impact Rstnce Window: 1

Vehicle Storage

Garage: 1 RV Parking Open: 1 Attached: 1 Off Street Parking: 1 Trailer Storage: 1

Security

Electric Gate: 1 On Premises System: 1

Construction

CBS: 1

Land Size

2 Less Than 5 Acres: 1

Furnished

Negotiable: 1

Terms

Cash: 1 Conventional: 1

Utilities

Buyer to Verify: 1 FKAA: 1

Porch/Balcony

Open Porch/Balcony: 1 Screened P/B: 1

Title

Negotiable: 1

Exterior Features

Bar: 1 Built-in Grill: 1 Chickee Hut: 1 Fencing: 1 Lanai: 1 Lighting: 1 Outdoor Kitchen: 1 Outdoor Shower: 1 Privacy Wall/Fence: 1 Sandy Beach: 1 Sprinkler System: 1 Storage: 1 Water Display: 1

Pool Info

In Ground: 1 Salt Water: 1 Other: Chiller Heated: Yes Concrete: 1

Roof

Metal Roof: 1

Status Change Info

Status: Active

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: November - 19 - 2025
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