Single Family Residence

640 4TH KEY Drive

640 4TH KEY Drive, Fort Lauderdale FL 33304

$18,900,000

For Sale New — listed today

0 Beds · 0 Baths · 6,974 SqFt

See estimated monthly cost

This listing is courtesy of Fidelity Real Estate LLC. James H Morlock

Overview

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 & features

Interior

Living area (sq ft)
6,974
  • Other

Building & exterior

Year built
2028
Lot size (sq ft)
26,301
Garage spaces
12
Covered spaces
12
Pool
Yes
Waterfront
Yes
  • Intracoastal View
  • River
  • River View
  • Ocean Access
  • Point Lot
  • Seawall
  • Other
  • 2 Or More Spaces
  • Parking Garage

HOA (homeowners association)

  • Boat Dock
  • Private Pool
  • See Broker Remarks
  • Yes

Taxes

Annual tax
$170,741
Tax year
2025
Parcel number
504201350430

Assigned schools

Elementary
Harbordale
Middle
Sunrise
High
Fort Lauderdale

Listing

MLS number
B26072978
Property type
Single Family Residence
Price per SqFt
$2,710
Subdivision
SUNRISE KEY
On market since
Sep 5, 2026
Days on market
0

Estimated monthly cost

$123,972 per month

Principal & interest (30 yr)
$95,569
Property tax
$14,228
Insurance (estimated)
$14,175

An estimate for comparison only — not a loan offer, a quote, or a commitment to lend. Actual taxes, insurance and financing terms will differ.

Location

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