640 4TH KEY Drive, Fort Lauderdale, FL 33304
$18,900,000
Property Type:
Residential
Square Footage:
15,000
Status:
Active
Current Price:
$18,900,000
List Date:
9/05/2026
Last Modified:
9/18/2026
Overview
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.
Listing Details MLS# B26072978
General Property Information
- Property Sub Type
- Single Family Residence
- Building Area Main
- 15000
- Building Area Source
- Other
- Living Area Main
- 6974
- Living Area Source
- Other
- Adjusted Area Main
- 4668
- Accessibility Features YN
- Yes
- Year Built
- 2028
- Garage YN
- Yes
- Attached Garage YN
- Yes
- Garage Spaces
- 12
- Covered Spaces
- 12
- Parking Total
- 12
- Gated Community YN
- Yes
- Lot Size Area
- 26301
- Lot Size Acres
- 0.6
- Senior Community YN
- No
- Waterfront YN
- Yes
- Stories Total
- 3
- Stories
- 3
- Direction Faces
- Southwest
- Fireplace YN
- No
- Pool Private YN
- Yes
- LP/Assessed Value
- 2.47
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
Contract Information
- Comp Sale YN
- No
- Original List Price
- 18900000
- Listing Service
- Full Service
Location and Legal
- Country
- United States
- County Or Parish
- Broward
- Street Number
- 640
- Street Name
- 4TH KEY
- Street Suffix
- Drive
- Municipality Type
- Incorporated
- State Or Province
- FL
- Postal Code
- 33304
- Postal Code +4
- 3808
- Subdivision Name
- SUNRISE KEY
- Area
- 3280
- Geographic Area
- FTSE - Ft Lauderdale SE (3280-3282;3600;3800)
- Elementary School
- Harbordale
- Middle Or Junior School
- Sunrise
- High School
- Fort Lauderdale
- Special Assessment YN
- No
- Parcel Number
- 504201350430
- Subdivision Number
- 35
- Zoning
- RS-4.4
- Flood Zone
- AE
Financial Information
- Master Association YN
- No
- Membership Fee Required YN
- No
- Tax Annual Amount
- 170741.19
- Tax Year
- 2025
- Tax Assessed/SOH Value
- 7659060
- Tax Legal Description
- SUNRISE KEY 45-6 B LOT 41 & 42
- Assessor Market Value
- 7659060
- Estimated Monthly Assoc Recurring Fee
- 0
Status Change Information
- Major Change Timestamp
- 2026-09-05T23:18:03Z
- Major Change Type
- New Listing
- Status Change Date
- 2026-09-05
More Information
Leasing Permitted Details
- Leasing Permitted YN
- Yes
Boat and Dock Information
- Dock
- Yes
- Boat Max Length
- 160
Other Area Details
- Living Area Other Structures
- 3031
- Building Area Other Structures
- 3031
- Adjusted Area Other Structures
- 3031
Pet Details
- Pet Fee YN
- No
Price Calculations
- Current Price To SqFt
- 2710.06
Originating Details
- Originating System Key
- 20260905173439434085000000
- Originating System ID
- M00000170
Office/Member Information
- DXORIGMLSID
- RML
Accessibility Features
- Accessible Entrance
- Yes
Dining Area
- Other
- Yes
Electric
- Three Phase
- Yes
Exterior Features
- Other
- Yes
Flooring
- Other
- Yes
Foundation Details
- See Remarks
- Yes
Parking Features
- Attached Garage
- Yes
- Garage
- Yes
Property Condition
- Resale
- Yes
Special Listing Conditions
- Standard
- Yes
Structure Type
- House
- Yes
Possession
- Close Of Escrow
- Yes
Sewer
- Public Sewer
- Yes
Utilities
- Sewer Connected
- Yes
- Water Connected
- Yes
Heating
- Other
- Yes
Water Access
- No Fixed Bridge
- Yes
- Ocean Access
- Yes
Water View
- Intracoastal
- Yes
- River
- Yes
Window Features
- Other
- Yes
Appliances
- Other
- Yes
Construction Materials
- Block
- Yes
Interior Features
- Other
- Yes
Laundry Features
- Other
- Yes
Levels
- Three Or More
- Yes
Listing Terms
- Other
- Yes
Pool Features
- In Ground
- Yes
Roof
- Other
- Yes
Water Source
- Public
- Yes
Waterfront Features
- Point Lot
- Yes
- River Front
- Yes
- Seawall
- Yes
Architectural Style
- Contemporary
- Yes
Boat and Dock Features
- Deeded Dock
- Yes
- No Wake Zone
- Yes
- Private Dock
- Yes
Cooling
- Other
- Yes
Showing Requirements
- Call Listing Agent
- Yes
- Listing Agent Must Accompany
- Yes
- Occupied
- Yes
Main Living Area
- Other Main Living Area
- Yes
Master Bedroom/Bath
- Other
- Yes
Pets Allowed YN
- Yes
- Yes
Pets Allowed
- No Restrictions
- Yes
Restrictions
- See Remarks
- Yes
Tax Information
- No Homestead
- Yes
Room Types
- Kitchen
- Yes
- Living Room
- Yes
- Master Bedroom
- Yes
Acreage Description
- 1/2 To Less Than 1 Acre Lot
- Yes
- Less Than 1 Acre Lot
- Yes
Room Information
Kitchen
Living Room
Master Bedroom
Listing Office:
Fidelity Real Estate LLC
Last Updated: September - 18 - 2026
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