Residential

1903 Sombrero Boulevard, Marathon

$4,499,000.00

Bedroom 5 bedrooms
Full Bathroom 4 full baths
Half Baths 1 half baths

  • MLS #: 621660
  • Address: 1903 Sombrero Boulevard, Marathon, FL 33050
  • Date Listed: 10/16/2026
  • Days on Market: 0
  • SQFT: 4836
  • Acres: 0.42
  • Restrictions: Unknown
  • Subdivision: Sombrero Properties (49.5)

Location Location

Agent Comments Agent Comments
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.

Amenities Amenities
  • Stainless Steel Appliance(s)
  • Dishwasher
  • Disposal
  • Dryer
  • Gas Appliances
  • Ice Machine
  • Microwave
  • Oven
  • Range
  • Refrigerator
  • Washer
  • Wine Cooler

Interior Features Interior Features
  • Cool System: Ductless, Central Air, Ceiling Fans(s)
  • Floors: Marble
  • Rooms: Laundry Room, SunFlorida Room, Utility Room
  • Interior: 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

Exterior Features Exterior Features
  • Parking: Open, Off Street, Attached, Garage Door Opener
  • Roof: Tile
  • Pool: Yes
  • Exterior: Rain Gutters, Lighting, Built-in Grill, Detached Guest Qtrs, Fencing, Fruit Tree(s), Hot Tub, Outdoor Kitchen, Privacy Wall/Fence, Sprinkler System, Storage

Additional Features Additional Features
  • County: Monroe
  • Property Type: Single Family Residence
  • Tax Number: 2147483647
  • Waterfront Features: Canal Front
  • Water/Sewer: Cable Available, FKAA, Municipal Sewer
  • Year Built: 2007