Atlantic Luxury Advisors
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12 photos

640 4TH KEY

Fort Lauderdale, FL 33304

$18,900,000
0
6,974 sq ft
26,301 sq ft
2028
12 car
Single Family Residence
Yes
Yes
13
Active

Listing courtesy of Fidelity Real Estate LLC (James H Morlock). Contact: [email protected].

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.

What it costs to own
Estimated monthly payment
$138,602/mo
Principal and interest
$95,569
Property tax
$31,216
Homeowners insurance
$11,817
HOA(not in the listing)
$0

An estimate, not a loan offer. The rate and insurance are assumptions to edit with your own quotes; Florida insurance varies widely by age, construction and distance to the coast. Flood insurance and PMI are not included.

Florida cost of ownership
Estimated property tax
$374,595/yr

Estimate: the price times the Broward County average total millage (19.86 mills, Florida Department of Revenue, 2025 average total millage by county), less the homestead exemptions. The actual bill depends on the city, the assessed value and special assessments. Save Our Homes then caps annual assessment increases at 3% or inflation, whichever is lower.

HOA
Not stated in the listing; ask us
FEMA flood zone
Zone AE, special flood hazard area

Inside the 1% annual chance floodplain. Lenders require flood insurance on a financed home; ask for the elevation certificate.

Hurricane evacuation zone
Zone B: ordered to evacuate for Category 1 hurricanes and stronger.

Sources: FEMA National Flood Hazard Layer and the Florida Division of Emergency Management evacuation zones, looked up at the listing point. Confirm with an elevation certificate and your insurer.

Location

Listing data provided by the Southeast Florida Multiple Listing Service (MIAMI REALTORS®). The data is deemed reliable but is not guaranteed accurate by the MLS. IDX information is provided exclusively for consumers' personal, non-commercial use, may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, and is deemed reliable but is not guaranteed accurate by the MLS. Atlantic Luxury Advisors is a real estate team at Keller Williams Realty. Payment, tax and flood figures on this page are estimates by Atlantic Luxury Advisors, not MLS data.