Home/Search/640 4TH KEY Drive, Fort Lauderdale FL 33304
640 4TH KEY Drive, Fort Lauderdale FL 333041 / 12
For Sale
Single Family Residence
Waterfront
Pool

$18,900,000

640 4TH KEY Drive, Fort Lauderdale FL 33304

0

Bedrooms

—

Bathrooms

6,974

Sq Ft

About This Property

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.

Property Details

MLS #:B26072978
Price:$18,900,000
Status:For Sale
Days on Market:13
Date Listed:Sep 5, 2026
Bedrooms:0
Total Bathrooms:0
Full Bathrooms:0
Half Bathrooms:0
Living Area:6974 sqft
Building Area:15000 sqft
Lot Size:26301 sqft
Lot Acres:0.6 acres
Price per Sqft:$2,710/sqft
Year Built:2028
Property Type:Residential
Property Sub Type:Single Family Residence

Bedrooms:0
Full Bathrooms:0
Half Bathrooms:0
Heating:Other
Cooling:Other
Appliances:Other Equipment/Appliances
Flooring:Other
Interior Features:Other
Window Features:Other Windows
Stories:3
Virtual Tour:Available

Architectural Style:Multi Level, Three Or More Stories, Modern/Contemporary
Construction Materials:Concrete Block Construction
Structure Type:House
Roof:Other Roof/Roof Structure, Other
Exterior Features:Other
Lot Features:1/2 To Less Than 3/4 Acre Lot, Less Than 1 Acre
Lot Size:26301 sqft
Pool:Yes
Waterfront:Yes – Ocean Access, Point Lot, River, Seawall
View:Intracoastal View, River, River View
Sewer:Public Sewer, Public Sanitation, Sewer
Water Source:Public
Utilities:Sewer Available, Water Available
Electric:3 Phase Electric

Parking Features:2 Or More Spaces, Parking Garage
Garage Spaces:12
Covered Spaces:12
Total Parking:12
Attached Garage:Yes

HOA Amenities:Boat Dock, Private Pool
Pets Allowed:Yes

Area/Region:Sunrise Key
Direction Faces:Southwest
Elementary School:Harbordale
Middle School:Sunrise
High School:Fort Lauderdale
Zoning:RS-4.4

Price per Sqft:$2,710/sqft
Annual Tax Amount:$170,741
Tax Year:2025
Parcel Number:504201350430
Legal Description:SUNRISE KEY 45-6 B LOT 41 & 42

Mortgage Calculator

Estimated monthly payment (PITI) based on this property's data. Adjust values to explore scenarios.

$18,900,000
$170,741
$189,000
$0

Estimated Monthly Payment

$125,547/mo

Principal & Interest$95,569
Property Tax$14,228
Insurance$15,750
Loan Amount$15,120,000
REsource

REsource

Real Estate Source Company

Interested in this property? Contact us today for a private showing.

Location

Marker
Leaflet © OpenStreetMap contributors
Hold Ctrl + scroll to zoom the map

© 2026 MIAMI Association of REALTORS® (MAOR). All rights reserved. The data relating to real estate for sale on this web site comes in part from the participating Associations/MLS's in the MIAMI Association of REALTORS® cooperative agreement: Broward, Palm Beaches & St. Lucie REALTORS® and the Miami Association of REALTORS®.

The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.

Use of search facilities of data on the site, other than a consumer looking to purchase real estate, is prohibited.

Information is deemed reliable but not guaranteed.

Listing courtesy of Fidelity Real Estate LLC. Data last updated September 18, 2026 at 06:41 AM.