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640 4TH KEY Drive, Fort Lauderdale, FL 33304

New Listing
$18,900,000
Property Type: Residential Square Footage: 15,000 Status: Active
Current Price: $18,900,000 List Date: 9/05/2026 Last Modified: 9/06/2026

Description

Extraordinary opportunity to create landmark waterfront estate on Sunrise Key, Ft Lauderdale's coveted guard-gated, all-waterfront community. Expansive trophy point offers 350 feet of waterfrontage, prime dockage for 50-meter yacht, & additional dockage for 2 yachts up to 100 feet. Architectural plans included for spectacular 15,000 sf, 3-story home designed for ultimate South Florida luxury lifestyle. Property features new seawall & dock, 12' of water depth at low tide, protected no-wake location, & rare three-phase electrical power for supporting shore-power requirements of larger yachts. Swift ocean access & exceptional location minutes from Las Olas Blvd, fine dining, upscale shopping, private aviation, highly regarded schools. An irreplaceable offering for discerning yachtsman.

More Information MLS# B26072978

Contract Information

Comp Sale YN: No Listing Date: 2026-09-05 Status: Active Original List Price: 18900000 List Price: $18,900,000 Current Price: $18,900,000 Listing Service: Full Service

Location and Legal

County Or Parish: Broward Municipality Type: Incorporated Geographic Area: FTSE - Ft Lauderdale SE (3280-3282;3600;3800) Subdivision Number: 35 Special Assessment YN: No Flood Zone: AE Country: United States Street Number: 640 Street Name: 4TH KEY Street Suffix: Drive State Or Province: FL Postal Code: 33304 Postal Code +4: 3808 Subdivision Name: SUNRISE KEY Area: 3280 Elementary School: Harbordale Middle Or Junior School: Sunrise High School: Fort Lauderdale Parcel Number: 504201350430 Zoning: RS-4.4

General Property Information

Adjusted Area Main: 4668 Living Area Main: 6974 Living Area Source: Other Accessibility Features YN: Yes Gated Community YN: Yes Lot Size Area: 26301 Senior Community YN: No Stories Total: 3 Stories: 3 Fireplace YN: No Pool Private YN: Yes LP/Assessed Value: 2.47 Property Sub Type: Single Family Residence Building Area Main: 15000 Building Area Source: Other Year Built: 2028 Garage YN: 1 Attached Garage YN: 1 Garage Spaces: 12 Covered Spaces: 12 Parking Total: 12 Lot Size Acres: 0.6 Waterfront YN: 1 Direction Faces: Southwest

Financial Information

Master Association YN: No Estimated Monthly Assoc Recurring Fee: 0 Membership Fee Required YN: No Tax Assessed/SOH Value: 7659060 Assessor Market Value: 7659060 Tax Annual Amount: 170741.19 Tax Year: 2025 Tax Legal Description: SUNRISE KEY 45-6 B LOT 41 & 42

Office/Member Information

DXORIGMLSID: RML

Accessibility Features

Accessible Entrance: 1

Dining Area

Other: 1

Electric

Three Phase: 1

Exterior Features

Other: 1

Flooring

Other: 1

Foundation Details

See Remarks: 1

Leasing Permitted Details

Leasing Permitted YN: Yes

Parking Features

Attached Garage: 1 Garage: 1

Property Condition

Resale: 1

Special Listing Conditions

Standard: 1

Structure Type

House: 1

Other Area Details

Living Area Other Structures: 3031 Building Area Other Structures: 3031 Adjusted Area Other Structures: 3031

Possession

Close Of Escrow: 1

Sewer

Public Sewer: 1

Utilities

Sewer Connected: 1 Water Connected: 1

Heating

Other: 1

Water Access

No Fixed Bridge: 1 Ocean Access: 1

Water View

Intracoastal: 1 River: 1

Window Features

Other: 1

Appliances

Other: 1

Construction Materials

Block: 1

Interior Features

Other: 1

Laundry Features

Other: 1

Levels

Three Or More: 1

Listing Terms

Other: 1

Pool Features

In Ground: 1

Roof

Other: 1

Water Source

Public: 1

Waterfront Features

Point Lot: 1 River Front: 1 Seawall: 1

Architectural Style

Contemporary: 1

Boat and Dock Information

Dock: Yes Boat Max Length: 160

Boat and Dock Features

Deeded Dock: 1 No Wake Zone: 1 Private Dock: 1

Cooling

Other: 1

Showing Requirements

Call Listing Agent: 1 Listing Agent Must Accompany: 1 Occupied: 1

Main Living Area

Other Main Living Area: 1

Master Bedroom/Bath

Other: 1

Pets Allowed YN

Yes: 1

Pets Allowed

No Restrictions: 1

Pet Details

Pet Fee YN: No

Restrictions

See Remarks: 1

Tax Information

No Homestead: 1

Room Types

Kitchen: 1 Living Room: 1 Master Bedroom: 1

Price Calculations

Current Price To SqFt: 2710.06

Acreage Description

1/2 To Less Than 1 Acre Lot: 1 Less Than 1 Acre Lot: 1

Status Change Information

Major Change Timestamp: 2026-09-05T23:18:03Z Major Change Type: New Listing Status Change Date: 2026-09-05

Originating Details

Originating System Key: 20260905173439434085000000 Originating System ID: M00000170

Property Features

Accessibility Features: Accessible Entrance Dining Area: Other Electric: Three Phase Exterior Features: Other Flooring: Other Foundation Details: See Remarks Parking Features: Attached Garage; Garage Property Condition: Resale Special Listing Conditions: Standard Appliances: Other Architectural Style: Contemporary Boat and Dock Features: Deeded Dock; No Wake Zone; Private Dock Construction Materials: Block Cooling: Other Heating: Other Interior Features: Other Laundry Features: Other Levels: Three Or More Listing Terms: Other Main Living Area: Other Main Living Area Pets Allowed YN: Yes Pets Allowed: No Restrictions Pool Features: In Ground Possession: Close Of Escrow Restrictions: See Remarks Roof: Other Sewer: Public Sewer Structure Type: House Tax Information: No Homestead Utilities: Sewer Connected; Water Connected Water Access: No Fixed Bridge; Ocean Access Water Source: Public Water View: Intracoastal; River Waterfront Features: Point Lot; River Front; Seawall Window Features: Other Showing Requirements: Call Listing Agent; Listing Agent Must Accompany; Occupied Room Types: Kitchen; Living Room; Master Bedroom Acreage Description: 1/2 To Less Than 1 Acre Lot; Less Than 1 Acre Lot

Room Information

Kitchen Living Room Master Bedroom
Listing Office: Fidelity Real Estate LLC
Last Updated: September - 06 - 2026
640 4TH KEY Drive, Fort Lauderdale, FL 33304- MLS# B26072978
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