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$2,599,000
33 Days On Site

421 Harbour Drive
Marathon, FL 33050

For Sale|Single Family Residence|Active
0
Beds
0
Full Baths
0
Partial Baths
—
SqFt
—
/SqFt
—
Built
Subdivision:
HARBOUR ISLAND AMD
County:
Monroe
Call Now: 561-351-5096
Is this the home for you? We can help make it yours.
561-351-5096
421 Harbour Drive421 Harbour Drive421 Harbour Drive421 Harbour Drive
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Mortgage Calculator

Monthly Payment (Est.)

$11,858
Calculator powered by Showcase IDX, a Constellation1 Company. Copyright ©2025 Information is deemed reliable but not guaranteed.

Build Your Dream Waterfront Home on Duck Key in the Florida KeysDevelopment Rights and Active Building Permit in Place to build now!Nestled in the heart of the Florida Keys, 421 Harbour Drive, Duck Key, is a stunning homesite offering breathtaking views of both the Atlantic Ocean and Gulf. Located on Harbour Drive - a street that feels like an island on an island - this property delivers unparalleled serenity while still being close to world-class amenities. Just moments away, you'll find the renowned Hawk's Cay Resort, offering fine dining and luxurious resort experiences, as well as the local HOA clubhouse with pool, tennis courts and pickleball. Skip the long permitting process and start building your coastal dream home today.

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Listing Snapshot
Price 
$2,599,000
Days On Site 
33 Days
Bedrooms 
N/A
Inside Area (SqFt) 
N/A
Total Baths 
N/A
Full Baths 
N/A
Partial Baths 
N/A
Lot Size 
11,250 Acres
Year Built 
N/A
MLS® Number 
R11080001
Status 
Active
Property Tax 
$11,309
HOA/Condo/Coop Fees 
N/A
Sq Ft Source 
N/A
Friends & Family
Recent Activity
a month agoListing first seen on site
a month agoListing updated with changes from the MLS®
General Features
Property Sub Type 
Single Family Residence
Zoning 
IS-M
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Exterior Features
Lot Features 
Waterfront
View 
BayOtherPool
Waterfront 
Yes
Waterfront Features 
BayfrontCanal AccessOcean AccessSeawall
Waterview 
BayOtherPool
Community Features
Financing Terms Available 
Conventional
MLS Area 
5940
Roads 
Paved
Listing courtesy of Coldwell Banker Schmitt RE Co



All listings featuring the BMLS logo are provided by BeachesMLS, Inc. This information is not verified for authenticity or accuracy and is not guaranteed. Copyright © 2025 BeachesMLS, Inc. (a Flex MLS feed)
Last checked: 2025-05-13 06:10 AM UTC

Neighborhood & Commute
Source: Walkscore
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