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171 Avenue D, 
Marathon, FL 33050

$2,395,000


4

Beds


3

Baths


2,088

Sq Ft


Single Family

Active

Listed by

Sam Williams

Last updated:

September 15, 2026, 03:08 PM

MLS#

621168

Source:

FL FKBOR

About This Home

171 Avenue D

New construction waterfront living in the heart of Coco Plum. This beautifully designed 4-bedroom, 3-bath residence combines modern coastal style, exceptional outdoor living, and direct boating access in one of Marathon's most desirable waterfront neighborhoods. Thoughtfully positioned to take advantage of the setting, the home offers expansive open-water views from nearly every room and a bright, open-concept layout designed for both everyday living and entertaining. The main living level features a spacious living and dining area surrounded by natural light and water views, along with two guest bedrooms and a full bath. Upstairs, two generously sized primary suites each feature private en-suite baths and elevated panoramic views, creating peaceful private retreats above the water. Outdoor living is a true highlight, with three covered terraces spanning both levels, a large resort-style pool, and a convenient poolside prep station with sink and storage. Whether hosting guests, relaxing by the pool, or enjoying a quiet morning overlooking the water, the home is designed to embrace the Florida Keys lifestyle. Boaters will appreciate approximately 50 feet of deep-water dockage with quick ocean access, along with a fish-cleaning station, bait freezer, and covered parking for added convenience. Ideally located near Coco Plum Beach and just minutes from Marathon's dining, shopping, and attractions, this newly constructed waterfront residence offers an exceptional combination of modern comfort, boating access, privacy, and island living, perfect as a full-time residence, vacation retreat, or investment property.

Home Facts

Single Family

3 Baths

4 Bedrooms

Built in 2023

Subdivision & Development:

Coco Plum (54.6)

Price Summary

2,395,000

$1,147 per Sq. Ft.

MLS #:

621168

Last Updated:

September 15, 2026, 03:08 PM

Added:

19 day(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

3


Structure

Structure

Building Area:

2,088 Sq. Ft.

Year Built:

2023


Lot

Lot Size (Sq. Ft):

5,184


Finances & Disclosures

Finances

Price:

$2,395,000

Price per Sq. Ft:

$1,147 per Sq. Ft.

171 Avenue D
Source:FL FKBOR
The information being provided by Florida Keys Board Of REALTORS®, Inc. is for the consumer’s personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The information is deemed reliable but not guaranteed and should therefore be independently verified. © 2026 Florida Keys Board Of REALTORS®, Inc. All rights reserved. FL FKBOR Member Broker: Brian Schmitt

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Contact an Agent

Yes, I would like more information. Please use and/or share my information with a Coldwell Banker ® affiliated agent to contact me about my real estate needs. By clicking Contact, I request to be contacted by phone or text message and consent to being contacted by automated means. I understand that my consent to receive calls or texts is not a condition of purchasing any property, goods, or services. Alternatively, I understand that I can access real estate services by email or I can contact the agent myself.

If a Coldwell Banker affiliated agent is not available in the area where I need assistance, I agree to be contacted by a real estate agent affiliated with another brand owned or licensed by Anywhere Real Estate (BHGRE®, CENTURY 21®, Corcoran®, ERA®, or Sotheby's International Realty®). I acknowledge that I have read and agree to the terms of use and privacy notice.