How much is 640 4TH KEY Drive?

640 4TH KEY Drive is listed at $18,900,000, which is about $2,710 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.

What are the property taxes on 640 4TH KEY Drive?

The listing reports annual property taxes of $170,741 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.

When was 640 4TH KEY Drive built?

640 4TH KEY Drive was built in 2028 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.

How long has 640 4TH KEY Drive been on the market?

640 4TH KEY Drive has been listed for 18 days. Days on market and price changes are the first signals of how much room there is to negotiate.

Is 640 4TH KEY Drive waterfront?

Yes. The listing describes the water as no fixed bridge ocean access river front seawall point lot. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.

Which schools serve 640 4TH KEY Drive?

The MLS lists Harbordale (elementary), Sunrise (middle), Fort Lauderdale (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.

How do I see 640 4TH KEY Drive?

Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

640 4TH KEY Drive, Fort Lauderdale, FL 33304

$18,900,000 · Active

0 beds
0 baths
6,974 sq ft
Single Family Residence
Built 2028
Lot 26,136 sq ft
MLS# B26072978
Sunrise Key

494F0F8A-03FF-418A-A791-4AA42D80447D at 640 4TH KEY Drive, Fort Lauderdale

IMG_0957 at 640 4TH KEY Drive, Fort Lauderdale

IMG_0956 at 640 4TH KEY Drive, Fort Lauderdale

8D62F0E5-AFBB-4BE9-8D82-49C073F46FEC at 640 4TH KEY Drive, Fort Lauderdale

641259EF-0649-4BC4-B57A-7F3BD497A15C at 640 4TH KEY Drive, Fort Lauderdale

43590651-D60F-4FB6-A079-7C79FCDD890F at 640 4TH KEY Drive, Fort Lauderdale

IMG_9367 at 640 4TH KEY Drive, Fort Lauderdale

IMG_0959 at 640 4TH KEY Drive, Fort Lauderdale

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.

Features

Other
Other
No Fixed Bridge
Ocean Access
River Front
Seawall
Point Lot
In Ground

Schools

Elementary: Harbordale
Middle: Sunrise
High: Fort Lauderdale

Presented by

BreakThru Realty · (786) 914-1017

Courtesy of

Fidelity Real Estate LLC · Listing agent: James H Morlock

Schedule a showing

Call or text BreakThru Realty at (786) 914-1017 or email sales@breakthrurealty.com to see 640 4TH KEY Drive.

Questions About 640 4TH KEY Drive

How much is 640 4TH KEY Drive?: 640 4TH KEY Drive is listed at $18,900,000, which is about $2,710 per square foot. The listing page shows comparable active listings and recent closed sales nearby so you can judge the asking price against what buyers have actually paid.
What are the property taxes on 640 4TH KEY Drive?: The listing reports annual property taxes of $170,741 for 2025. Taxes are reassessed at the sale price after a purchase, so a new owner's bill can differ from the current owner's; use the mortgage calculator on this page for an estimate.
When was 640 4TH KEY Drive built?: 640 4TH KEY Drive was built in 2028 and the listing describes its condition as resale. Age matters for insurance and financing in Florida: ask about the roof, the electrical panel and, for a condo built before the current code, the building's structural reserve study.
How long has 640 4TH KEY Drive been on the market?: 640 4TH KEY Drive has been listed for 18 days. Days on market and price changes are the first signals of how much room there is to negotiate.
Is 640 4TH KEY Drive waterfront?: Yes. The listing describes the water as no fixed bridge ocean access river front seawall point lot. For a home with dockage, confirm the water depth at low tide, the seawall condition and whether the route to the inlet passes under any fixed bridges before you offer.
Which schools serve 640 4TH KEY Drive?: The MLS lists Harbordale (elementary), Sunrise (middle), Fort Lauderdale (high). School assignments are set by the district and can change; verify them with the school board before you rely on them.
How do I see 640 4TH KEY Drive?: Request a showing from this page or call BreakThru Realty and a licensed agent will arrange a private tour, in person or by video, and answer anything the listing leaves out.

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The 7 bedroom home at 745 Middle River Drive, Fort Lauderdale, FL 33304 is comparable and listed for sale at $15,000,000. Fort Lauderdale neighborhoods include Croissant Park and Las Olas Isles. Nearby ZIP codes include 33301 and 33305. This property also neighbors Oakland Park, Lauderdale-by-the-Sea, and Plantation. Compare it with the Fort Lauderdale housing market report.