Date
Details
Price
Change
Source
10/16/2026
Listed
$4,499,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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1/92
$4,499,000 Just Listed
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Property Description
Located right on coveted Sister Creek discover exceptional waterfront living in this expansive Marathon estate overlooking the golf course and a deep-water canal with deep water access to both the Atlantic Ocean and Gulf. Offering 4,836 sq. ft. of combined living space, the property features a 4-bedroom, 3.5-bath Main Residence and detached 1-bedroom, 1-bath Guest Suite. A grand entry welcomes you with soaring ceilings and a sweeping curved wood staircase, while elegant travertine flooring flows throughout the main living areas. The spacious Living Area showcases private water views, a fireplace, wet bar and multiple glass doors opening to the pool deck. The well-appointed Kitchen features granite countertops, custom cabinetry, GE Monogram range and breakfast bar overlooking the Dining Area. The main-level Primary Suite offers long water views, a generous walk-in closet and luxurious Bath with soaking tub, dual vanities and steam shower. Upstairs, two ensuite Guest Bedrooms enjoy water views, while a versatile fourth Bedroom opens to a private balcony overlooking the golf course. Designed for effortless indoor-outdoor entertaining, the expansive waterfront patio features a covered outdoor Kitchen, heated pool and raised spillover spa surrounded by tropical landscaping. Boating enthusiasts will appreciate an 89' dock, additional 10' x 14' floating platform, 20,000 lb. boat lift and angler's prep station. The detached Guest Suite offers private accommodations with a sitting area, wet bar and full Bath. Additional highlights include impact windows and doors, 2-car garage, dual laundry areas and irrigation system. A rare opportunity to enjoy spacious waterfront living, exceptional boating access and golf course views in the heart of the Florida Keys.
Full Property Details
Full Property Details for 1903 Sombrero Blvd
General
- Price: $4,499,000
- Taxes: $22,748 (2025)
- Status: Active
- Type: Single Family
- Source: 927
- MLS ID: 621660
- Updated: Today (10/16/2026)
- Added to Site: Today
Interior
- Interior Features: Utility Room, Entrance Foyer, Walk-in Closet(s), Bar, Built-in Cabinets, Cathedral Ceilings, Fireplace(s), Granite Counter Top, Smoke Alarms, Split Bedroom, Storage, Tray Ceilings, Wet Bar, Whirlpool Bath Tub, Window Treatments, Sun/Florida Room
- Appliances: Stainless Steel Appliance(s), Dishwasher, Disposal, Dryer, Gas Appliances, Ice Machine, Microwave, Oven, Range, Refrigerator, Washer, Wine Cooler
- Flooring: Marble
Rooms
Bathrooms
- Total Bathrooms: 5
- Full Bathrooms: 4
- Half Bathrooms: 1
Bedrooms
- Total Bedrooms: 5
Other Rooms
- Laundry: Laundry Room
Additional Information
- Shared Amenities: Other Area Features, Beach
- Pool: Yes
- Pool Description: Concrete, Heated, In Ground, Decked
Exterior
- Exterior Features: Rain Gutters, Lighting, Built-in Grill, Detached Guest Qtrs, Fencing, Fruit Tree(s), Hot Tub, Outdoor Kitchen, Privacy Wall/Fence, Sprinkler System, Storage
- Deck/Patio: Open Porch/Balcony, Deck, Patio
- Porch/Patio/Deck: Open Porch/Balcony, Deck, Patio
Parking
- Garage: Yes
- Attached garage: Yes
- Parking Features: Open, Off Street, Attached, Garage Door Opener
Location
- Area: 14 - Sombrero Area
- County: Monroe
- Subdivision: Sombrero Properties (49.5)
- Driving Directions: US 1 to Sombrero Road, the first right onto Sombrero Blvd. Go past Country Club and Dockside. Home will be on your right. There is a sign on property.
Community
- Assoc. Fees Include: None
- Pets Allowed: Yes
Heating & Cooling
- Central air: Yes
- Air Conditioning: Yes
- Cooling Type: Ductless, Central Air, Ceiling Fans(s)
Structural Information
- Architectural Style: Above Flood
- Construction: CBS
- Roof: Tile
- Windows/Doors: Impact Rstnce Doors, Impact Rstnce Window
- Square Feet: 4,836
- Sq. Ft. Source: Property Data Card
- Year Built: 2007
Lot Features
- Property View: Canal
- Lot Size (Acres): 0.42
- Lot Size (Sq. Ft.): 18,349
- Lot Size Source: Property Data Card
- Zoning: RL - Residential Low
Water Features
- Water Front: Yes
- Water View: Yes
- Water Front Desc.: Canal Front
Financial Considerations
- Tax Amount: $22,748.84
- Tax Year: 2025
- Terms: Cash, Conventional
Disclosures and Reports
- Legal Description: The Sombrero Properties Boot Key Pb5-101 Pt Parcel 11 (Pt Lot 28)
- Flood Zone: AE
- APN: 355370000300
Listed by Coldwell Banker Schmitt Real Estate Co, Lisa H Ferringo (305) 797-1221
We Value Your Privacy
We Value Your Privacy
We Value Your Privacy
Listing agent
— 1903 Sombrero Blvd —
Lisa H Ferringo
Coldwell Banker Schmitt Real Estate Co
NMLS#: 1598647Get Pre-Approved Today
Schools
Schools serving 1903 Sombrero Blvd
School District:Monroe County School District, Middle Torch Key, FL
| Name | Grades | Distance |
|---|---|---|
Stanley Switlik Elementary School 3400 Overseas Highway, Marathon, FL 33050 | PK-5 | 0.8 mi |
Marathon School 350 Sombrero Beach Road, Marathon, FL 33050 | 6-12 | 0.8 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 1903 Sombrero Blvd
Tax History
Tax History for 1903 Sombrero Blvd
Year
Property Taxes
Change
Tax Assessment
Change
2024
$22,559
—
$2,753,628
—
2024
$22,559
6%
$2,751,912
7%
2023
$21,295
21%
$2,565,939
54%
2021
$17,540
-10%
$1,668,099
-26%
2022
$19,562
12%
$2,259,497
36%
2021
$17,540
3%
$1,658,431
2%
2019
$16,956
3%
$1,633,162
-1%
2018
$16,522
4%
$1,650,148
5%
2017
$15,865
5%
$1,577,142
9%
2016
$15,069
10%
$1,448,479
10%
2015
$13,732
1%
$1,311,670
4%
2014
$13,609
-3%
$1,264,048
-3%
2013
$14,089
—
$1,301,298
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 1903 Sombrero Blvd
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1903 Sombrero Boulevard, Marathon, FL 33050 (MLS# 621660) is a Single Family property with 5 bedrooms, 4 full bathrooms and 1 partial bathroom. 1903 Sombrero Boulevard is currently listed for $4,499,000 and was received on October 16, 2026. Want to learn more about 1903 Sombrero Boulevard? Do you have questions about finding other Single Family real estate for sale in Marathon? You can browse all Marathon real estate or contact a Coldwell Banker agent to request more information.