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  3. 6403 Gulf Of Mexico Boulevard #403 Marathon, FL - 33050
  • MLS® #: A12033219
  • 6403 Gulf Of Mexico Boulevard #403
  • Marathon, FL 33050
  • $995,000
  • 3 Beds, 2 Bath, 1,902 SqFt
  • Residential

Welcome to your Marathon lifestyle package, a fully remodeled 3-bedroom, 2-bath Penthouse offering 1,902 SQFT of luxury coastal living.Rare opportunity includes a 24' boat with marina access w/lifts permitted, combining a move-in-ready residence w/boating lifestyle buyers dream of in the Florida Keys.Designed for comfort and entertaining, this top-floor residence features Versace & marble tile finishes, quartz countertops, New Kitchen & Stainless Steel appliances, New impact windows, 9-ft ceilings, wet bar, private parking, open-concept layout, and wraparound balcony, perfect for tropical breezes, morning coffee, and sunset cocktails.Spacious Primary suite offers balcony access, dual closets & spa-inspired bath w/soaking tub, glass-enclosed shower, makeup station & designer finishes.Enjoy direct marina access & your included 24' boat for fishing, cruising, island hopping & waterfront dining in the Keys.Amenities include covered warehouse storage for your water toys, Lagoon-style pool, jacuzzi, tennis & basketball courts, fitness center, and gated tropical grounds.All located in the heart of Marathon, minutes from Sombrero Beach, Coco Plum Beach, Marathon Airport, Turtle Hospital, Old Seven Mile Bridge & Best waterfront restaurants!World-class boating, fishing, snorkeling & breathtaking sunsets are right outside your door.More than just a Penthouse, this is your private escape, boating base, weekend retreat, future vacation home, and private piece of paradise!

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Essential Information

  • MLS® #A12033219
  • Price$995,000
  • CAD Dollar$1,415,006
  • UK Pound£743,768
  • Euro€870,884
  • HOA Fees5978
  • Bedrooms3
  • Bathrooms2.00
  • Full Baths2
  • Square Footage1,902
  • Year Built1983
  • TypeResidential
  • Sub-TypeCondominium
  • RestrictionsNo Restrictions
  • StyleOther
  • Unit Floor4
  • StatusActive
  • HOPANo Hopa

Community Information

  • Area5940 - Other Florida County
  • SubdivisionSEAWATCH CONDOMINIUM
  • CityMarathon
  • CountyMonroe
  • StateFL
  • Zip Code33050

Address

6403 Gulf Of Mexico Boulevard #403

Amenities

  • UtilitiesCable Available
  • Parking Spaces2
  • ParkingGuest
  • Is WaterfrontYes
  • Pets AllowedYes, Dogs OK

Amenities

Basketball Court, Clubhouse, Fitness Center, Picnic Area, Pool, Sauna, Spa/Hot Tub, Storage, Tennis Court(s), Bar, Heated Pool, Maintenance

View

Pool, Water, Direct Ocean, Ocean

Waterfront

Ocean Access, Seawall, Ocean Front

Interior

  • Interior FeaturesHigh Ceilings
  • HeatingCentral
  • CoolingCentral Air
  • # of Stories4

Appliances

Dryer, Dishwasher, Electric Range, Microwave, Refrigerator, Washer

Exterior

  • Exterior FeaturesTennis Court(s), Balcony
  • WindowsBlinds, Sliding
  • ConstructionBlock

School Information

  • ElementaryStanley Switlik
  • MiddleMarathon
  • HighCoral Shores
  • Office: Nations Best Realty, Inc.

Property Location

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6403 Gulf Of Mexico Boulevard #403 on www.jupiteroceanfronthomes.us

Offered at the current list price of $995,000, this home for sale at 6403 Gulf Of Mexico Boulevard #403 features 3 bedrooms and 2 bathrooms. This real estate listing is located in SEAWATCH CONDOMINIUM of Marathon, FL 33050 and is approximately 1,902 square feet. 6403 Gulf Of Mexico Boulevard #403 is listed under the MLS ID of A12033219 and has been available through www.jupiteroceanfronthomes.us for the Marathon real estate market for 29 days.

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All listings featuring the BMLS logo are provided by Beaches MLS Inc. Copyright 2026 Beaches MLS. This information is not verified for authenticity or accuracy and is not guaranteed.
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Listing information last updated on July 7th, 2026 at 8:08am CDT.