121 Calle Ensueno, Marathon, FL 33050

New Listing

$2,800,000

Virtual Tour

http://tours.keyspropertyvisuals.com/vtnb/365207

Property Type: Residential Bedrooms: 4 Baths: 4 Square Footage: 3,079 Lot Size (sq. ft.): 27,973 Status: Active

Current Price: $2,800,000 List Date: 8/07/2026 Last Modified: 8/07/2026

Overview

Description

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 exclus ... (Read more)

Listing Details MLS# 620899

Location, Tax & Legal

Street #: 121
Street Name: Calle Ensueno
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Sombrero Isle (49.5)
Area: 14 - Sombrero Area
City: MARATHON
Mile Marker: 49.5
Marathon Neighborhood: Sombrero
Senior Community YN: No
Side: Ocean
Flood Zone: AE
Alternate Key #: 1438961
Handicap Access: No
Parcel #: 00357041-002300
Zoning: RM - Residential Medium
Deed Restrictions: No
Legal: LT 23 SOMBRERO ISLE BOOT KEY PB6-85
Taxes: 19466.18
Tax Year: 2025
Pub Sewer HkUp: Yes

Contract Information

Listing Board: Marathon/Lower Keys
As is Rght to Inspct: Yes
Potential Short Sale: No
Bank Owned: No
Species List: Yes

General Property Description

Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 5
Pool: Yes
Year Built: 1998
Lot SqFt: 27973
Lot Sqft Source: Tax Records
Acres: 0.64
Living Apx SqFt: 3079
SqFt Source: Tax Records
Total Bedrooms: 4
Full Baths: 3
Half Baths: Yes
Total Baths: 4
Rentals Allowed: Yes
Min Rental Days: 7
Total Units: 0

Association Info

Mandatory Home Owners Asc: No
Voluntary Home Owners Asc: Yes
1st Right of Refusal: No
Maintenance Fee $: 500
Assoc/Mnt Fee Per: Yearly
Association Fee $: 0

License Info

Transient Rntl Licns: Yes

More Information

Dockage

Dock Length: 40
Dock: Wood

Building Style

Above Flood: Yes
Stories: 2 Stories
Ground Level: Yes

Vehicle Storage

Car(s): 2
Garage: Yes
Guest Parking: Yes
Open Parking: Yes
RV Parking Open: Yes
Attached: Yes
Off Street Parking: Yes
Trailer Storage: Yes

Financial Status

Bank Owned: No
Potential Short Sale: No

Remarks & Misc

Remarks – Consumer: 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 exclusive 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.

Fee Includes

Common Area Mnt: Yes

Tax Exemptions

None: Yes

Appliances

Dishwasher: Yes
Disposal: Yes
Dryer: Yes
Microwave: Yes
Oven: Yes
Range: Yes
Refrigerator: Yes
Stainless Steel Appliance(s): Yes
Washer: Yes
Wine Cooler: Yes

Pets

Pets Allowed: Yes

Cooling

Ceiling Fans(s): Yes
Central Air: Yes

Waterfront

Canal Front: Yes

Waterview

Canal View: Yes

Floor

Tile: Yes

Neighborhood Feature

Beach: Yes

Interior Features

Cathedral Ceilings: Yes
Granite Counter Top: Yes
Smoke Alarms: Yes
Split Bedroom: Yes
Storage: Yes
Walk-in Closet(s): Yes

Specialty Rooms

Laundry Room: Yes

Windows/Doors

Aluminum Windows: Yes

Construction

CBS: Yes

Land Size

1/2 - Less Than 1 AC: Yes

Furnished

Furnished: Yes

Terms

Conventional: Yes
Seller Finance Psble: Yes

Utilities

FKAA: Yes
Municipal Sewer: Yes

Porch/Balcony

Deck: Yes
Open Porch/Balcony: Yes
Patio: Yes

Title

Title Ins - Buyer: Yes

Exterior Features

Fencing: Yes
Storage: Yes

Pool Info

In Ground: Yes
Concrete: Yes
Decked: Yes

Roof

Tile Roof: Yes

Shutters

Panel: Yes
Roll Down Electric: Yes

Property Features

Fee Includes: Common Area Mnt Tax Exemptions: None Waterfront: Canal Front Waterview: Canal View Building Style: Ground Level Vehicle Storage: Garage; Attached; Guest Parking; Off Street Parking; Open Parking; RV Parking Open; Trailer Storage Furnished: Furnished Cooling: Ceiling Fans(s); Central Air Utilities: FKAA; Municipal Sewer Interior Features: Cathedral Ceilings; Granite Counter Top; Smoke Alarms; Split Bedroom; Storage; Walk-in Closet(s) Specialty Rooms: Laundry Room Appliances: Dishwasher; Disposal; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer; Wine Cooler Exterior Features: Fencing; Storage Pool Info: In Ground; Concrete; Decked Construction: CBS Shutters: Panel; Roll Down Electric Floor: Tile Roof: Tile Roof Pets: Pets Allowed Neighborhood Feature: Beach Land Size: 1/2 - Less Than 1 AC Terms: Conventional; Seller Finance Psble Title: Title Ins - Buyer

Listing Office: Coldwell Banker Schmitt Real Estate Co.

Last Updated: August - 07 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.

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