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121 Calle Ensueno, 
Marathon, FL 33050

$2,800,000


4

Beds


4

Baths


3,079

Sq Ft


Single Family


Virtual Tour

Active

Last updated:

October 4, 2026, 03:10 PM

MLS#

620899

Source:

FL FKBOR

About This Home

121 Calle Ensueno

Welcome to prestigious Sombrero Isle, one of the Middle Keys' most exclusive waterfront communities. This exceptional 4-bedroom, 4-bath residence blends timeless elegance with the relaxed luxury of the Florida Keys lifestyle. Step inside to a grand living room highlighted by soaring volume ceilings, gleaming marble floors, a gracefully curved staircase, and a wraparound mezzanine that leads to the spacious bedrooms and private guest quarters. Designed for both everyday living and entertaining, the home offers an open, inviting atmosphere with impressive Mediterranean architectural details throughout. The well-appointed kitchen features granite countertops, stainless steel appliances, and abundant cabinetry, providing both style and functionality. Outdoors, enjoy your own tropical retreat with a heated freeform swimming pool and over 40 feet of dockage with approximately 5 feet of controlling depth, offering convenient access for a variety of boats. Nestled within the private island community of Sombrero Isle, this intimate enclave consists of only 32 waterfront homes, each situated on approximately one-half acre. Boaters will appreciate the quick access via Sister's Creek to the Atlantic Ocean and some of the finest fishing and diving waters in the United States. Residents also enjoy close proximity to the renowned Sombrero Beach, scenic parks, shopping, fine dining, and vibrant local restaurants and waterfront bars. Marathon International Airport is just 10 minutes away, making travel to and from paradise effortless. Experience the perfect combination of luxury, privacy, and premier boating access in one of Marathon's most coveted waterfront neighborhoods.

Home Facts

Single Family

4 Baths

4 Bedrooms

Built in 1998

Subdivision & Development:

Sombrero Isle (49.5)

Price Summary

2,800,000

$909 per Sq. Ft.

MLS #:

620899

Last Updated:

October 4, 2026, 03:10 PM

Added:

2 month(s) ago


Rooms & Interior

Bedrooms

Total Bedrooms:

4

Bathrooms

Total Bathrooms:

4


Structure

Structure

Building Area:

3,079 Sq. Ft.

Year Built:

1998


Lot

Lot Size (Sq. Ft):

27,973


Finances & Disclosures

Finances

Price:

$2,800,000

Price per Sq. Ft:

$909 per Sq. Ft.

121 Calle Ensueno
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.