$18,900,000
0 bd · 0 ba · 6,974 sq ft · Single Family Residence
640 4TH KEY Drive, Fort Lauderdale FL 33304
For Sale · Active listing
Est. payment $103,864/mo · Mortgage calculator
Listed by Fidelity Real Estate LLC / James H Morlock
Contact: 954-205-6673 (listing contact).
Shown through Slice Realty. Requests from this page reach Slice Realty / Propiedad Futura, not the listing agent.
About this home
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.
Facts
- MLS #
- B26072978
- Subdivision
- SUNRISE KEY
- Property type
- Residential
- Property subtype
- Single Family Residence
- Sq. ft.
- 6,974
- Price per sq. ft.
- $2,710 / sq ft
- Year built
- 2028
- Lot size
- 0.6 acres
- Days on market
- 44
- County
- Broward County
- Date listed
- Sep 5, 2026
- Last updated
- Oct 19, 2026
Financial considerations
- Taxes
- $170,741 (2025)
- HOA amenities
- Boat Dock, Private Pool
Exterior features
- Waterfront
- Yes
- View
- Intracoastal View, River, River View
- Construction
- Concrete Block Construction
- Parking spaces
- 12
- Roof
- Other Roof/Roof Structure, Other
- Additional features
- Other
Interior features
- Heating
- Other
- Cooling
- Other
- Appliances
- Other Equipment/Appliances
- Window features
- Other Windows
- Additional features
- Other
Additional features
- Pets allowed
- Yes
Mortgage calculator
Includes principal and interest, taxes and insurance.
Rate: Freddie Mac 30-year average (2026-10-22). Estimate only.
Local context (our analysis)
2,381 homes and condos are listed for sale in Fort Lauderdale, at a median list price of $684,900 and $481 per sq ft. This home asks $2,710 per sq ft.
Source: Southeast Florida MLS (SEFMLS). Last updated Oct 19, 2026, 3:05 AM ET
Listing data is deemed reliable but is not guaranteed accurate by the MLS. Information is provided 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.