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$2,299,000

421 Harbour Dr Marathon, FL 33050

Land

Property details

About 421 Harbour Dr

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.

Highlights

StatusActive
MLS #RX-11080001
WaterfrontBay, Canal, Ocean Access, Seawall
ViewBay, Other, Pool, Tennis Court

Summary

  • Waterfront: Bay, Canal, Ocean Access, Seawall
  • View: Bay, Other, Pool, Tennis Court
  • List Price: $2,299,000
  • Annual Tax Amount: $10,629
  • Tax Year: 2023
  • MLS Number: RX-11080001
  • Office Name: Coldwell Banker Schmitt RE Co
  • Office Phone: (305) 743-5181
  • Listing Agent: Elizabeth Jolin
  • Agent Phone: (305) 393-0994

IDXAll listings featuring the BMLS logo are provided by BeachesMLS, Inc. Copyright 2025 BeachesMLS, Inc.

This information is not verified for authenticity or accuracy and is not guaranteed. IDX information is provided exclusively for consumers’ personal, non-commercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing.
Data displayed may be a portion of, and not a complete set of all listings published in the MLS.
Last updated on: 7/30/2025, 3:45:27 AM Eastern. If you have any questions regarding the accuracy of this data, please contact us at help@rockethomes.com.

Price information

Property sales

DateEventPrice
Aug 22, 2016
Home Sold
$1,125,000

Tax history

YearAssessmentProperty Tax
2023$1,936,980$10,629

History based on county public records data.

Nearby schools

5

Stanley Switlik Elementary School

Public District PK-5

11.6 mi

3400 Overseas Hwy

9

Big Pine Academy

Public Charter PK-5

28.5 mi

30220 Overseas Hwy

School ratings are a score out of 10, where 10 is the highest and 1 is the lowest.

All data from GreatSchools

Neighborhood

The neighbors living near this home have an average income of $62,228. The majority of Marathon, FL residents have income between $35k-100k annually. Most families are single, no kids. The most common level of education of people living in this area is post secondary degree.

How much money do the neighbors make?

26%
<35k
41%
35k-100k
22%
100k-200k
11%
200k+

What level of education do the neighbors have?

No High School
High School Diploma
Post Secondary Degree
Masters Degree

What types of families live nearby?

45%
Single, No Kids
4%
Single, with Kids
44%
Married, No Kids
7%
Married, with Kids

Are the neighbors home owners or renters?

Home Owners
Renters

How old are people in this area?

4%
<11 yrs old
2%
12-17 yrs old
23%
18-34 yrs old
46%
35-64 yrs old
25%
65+ yrs old

What do the neighbors do for fun?

  • PGA/LPGAPGA/LPGA
  • NASCARNASCAR
  • SoccerSoccer

Where do the neighbors shop?

  • Stein MartStein Mart
  • Dick's Sporting GoodsDick's Sporting Goods
  • Old NavyOld Navy

Where do the neighbors go to eat?

  • Bob EvansBob Evans
  • Cracker BarrelCracker Barrel
  • ArbysArbys

What do the neighbors drive?

  • LincolnLincoln
  • LexusLexus
  • GMCGMC

What do the neighbors listen to?

  • News/Talk/InformationNews/Talk/Information
  • OldiesOldies
  • Adult HitsAdult Hits
All data provided by Home Junction and Claritas

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Frequently asked questions

About 421 Harbour Dr

The listing price of 421 Harbour Dr property is $2,299,000.

The property 421 Harbour Dr is land located in Marathon, Florida, 33050.

Active Listing: 421 Harbour Dr is For Sale (Active/New) which means the seller is accepting offers.

The nearby schools for 421 Harbour Dr are: Stanley Switlik Elementary School (GreatSchools Rating 5/10), Big Pine Academy (GreatSchools Rating 9/10), Treasure Village Montessori Charter School (GreatSchools Rating 10/10), Plantation Key School (GreatSchools Rating 8/10), Marathon Middle High School (GreatSchools Rating 4/10), Coral Shores High School (GreatSchools Rating 5/10).

According to the records, the last property tax for 2023 is $10,629 (source: MLS/based on county public records data).

The last sale was on August 22, 2016 for $1,125,000 (source: MLS/tax record).

This home is located at 421 Harbour Dr in Marathon, FL and zip code 33050. Features: 0 bathroom. It has been listed on Rocket Homes since April 9, 2025 and is currently priced at $2,299,000.

While more than 3 listings in Marathon, FL in June 2025 were sold above asking price, there were more than 4 listings sold at asking price, and more than 39 were sold below. Between May and June 2025, Marathon, FL real estate market has seen increase in the number of listings by 3.2%. The median list price of listings available in June 2025 was $875,000, while the average time on the real estate market was 100 days.

From Rocket Homes Real Estate and based on county public records data.

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