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  3. 9300 Overseas Highway Marathon, FL - 33050
  • MLS® #: A11720611
  • 9300 Overseas Highway
  • Marathon, FL 33050
  • $21,000,000
  • 5 Beds, 9 Bath, 8,573 SqFt
  • Residential

This breathtaking five-acre oceanfront estate, with 244 feet of private ocean frontage, is the crown jewel of the Florida Keys. From the moment you pass through the gates, you'll be captivated by a world of elegance, privacy, and unparalleled amenities. At the heart of this premier estate lies a resort-style pool oasis. The custom-designed 5,600+/- square foot main residence showcases exquisite craftsmanship. A separate 2,999 sq.ft. guest house offers a private retreat. A marina provide direct access to the world-famous waters of the Keys. Enjoy the gourmet kitchen, guest suites, movie theater and even the potential for a private hangar. This estate isn't just a home; it's a lifestyle—your personal resort blending tropical serenity, architectural excellence, and unmatched prestige.

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Essential Information

  • MLS® #A11720611
  • Price$21,000,000
  • CAD Dollar$28,775,460
  • UK Pound£15,574,377
  • Euro€17,812,452
  • Bedrooms5
  • Bathrooms9.00
  • Full Baths6
  • Half Baths3
  • Square Footage8,573
  • Year Built2007
  • TypeResidential
  • Sub-TypeSingle Family Residence
  • StyleDetached, Two Story
  • StatusPending

Community Information

  • Address9300 Overseas Highway
  • Area98 Florida Keys
  • SubdivisionSea Crest Heights
  • CityMarathon
  • CountyMonroe
  • StateFL
  • Zip Code33050

Amenities

  • UtilitiesCable Available
  • FeaturesBoat Facilities
  • # of Garages8
  • GaragesGarage Door Opener
  • ViewOcean, Pool
  • Is WaterfrontYes
  • WaterfrontOcean Access, Ocean Front
  • Pets AllowedNoPetRestrictions,Yes

Parking

Attached, Covered, Electric Vehicle Charging Station(s), Garage, RV Access/Parking

Interior

  • HeatingElectric
  • CoolingCentral Air, Ceiling Fan(s)
  • FireplaceYes
  • # of Stories2
  • StoriesTwo

Interior

Carpet, Hardwood, Other, Tile, Wood

Interior Features

Wet Bar, Built-in Features, Bedroom on Main Level, French Door(s)/Atrium Door(s), First Floor Entry, Fireplace, Handicap Access, High Ceilings, Custom Mirrors, Main Level Primary, Pantry, Skylights, Walk-In Closet(s), Workshop

Appliances

Dryer, Dishwasher, Electric Water Heater, Freezer, Disposal, Gas Range, Ice Maker, Microwave, Refrigerator, Washer

Exterior

  • RoofMetal
  • ConstructionBlock
  • FoundationRaised

Exterior Features

Balcony, Deck, Fence, Fruit Trees, Lighting, Porch, Shed

Windows

Plantation Shutters, Impact Glass, Skylight(s)

  • Office: Coldwell Banker Schmitt Real E
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9300 Overseas Highway on www.webmail.jupiteroceanfrontcondos.us

Offered at the current list price of $21,000,000, this home for sale at 9300 Overseas Highway features 5 bedrooms and 9 bathrooms. This real estate listing is located in Sea Crest Heights of Marathon, FL 33050 and is approximately 8,573 square feet. 9300 Overseas Highway is listed under the MLS ID of A11720611 and has been on the Marathon real estate market for 372 days.

The data relating to real estate on this web site comes in part from the Internet Data Exchange program of the MLS of the REALTOR® Association of Greater Miami and the Beaches, and is updated as of February 19th, 2026 at 6:01pm CST (date/time).

All information is deemed reliable but not guaranteed by the MLS and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither listing broker(s) nor Waterfront Properties and Club Communities shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless from any damages arising from reliance upon these data. © 2026 MLS of RAMB.

The information being provided is for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing