520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
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520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
520 12Th Street
Sold

520 12Th Street

520 12Th Street, Key Colony, FL 33051

$2,237,500
Welcome to an exceptional island retreat in the heart of Key Colony Beach. This beautifully elevated single-family residence embodies refined coastal luxury, offering 3 bedrooms and 2 bathrooms, bonus space with no detail overlooked. Thoughtfully renovated, the home features a new metal roof, impact-rated windows and doors, elegant LVT flooring, designer lighting, custom cabinetry, and exquisite Cambria quartz countertops throughout.

Outdoors, the property transforms into a private resort. Lush tropical landscaping and ambient exterior lighting set the tone, while an outdoor shower, custom bar, and sparkling pool create the perfect setting for entertaining or unwinding in complete privacy. Boating enthusiasts will appreciate 75 feet of concrete dockage with a composite step-down system, seamlessly blending function with style. An expansive, titled upper deck offers a sophisticated space for gatherings, sunset cocktails, and elevated island living.

Ideally positioned just moments from the iconic Sunset Park, this residence delivers a rare combination of luxury, lifestyle, and location. A truly turnkey opportunity to own a distinguished piece of paradise in Key Colony Beach. Schedule your private showing today.

3
beds

2
baths

1,584 Sq.Ft. LIVING AREA

8,250 Sq.Ft. lot

Ally Kelley

Ally Kelley

Features & Amenities

Interior

  • total bedrooms3
  • Total bathrooms2
  • full bathrooms2
  • Flooring Tile, Laminate
  • APPLIANCES Dishwasher, Disposal, Dryer, Microwave, Range, Refrigerator, Washer
  • other interior Features Workshop, Bar, Built-in Cabinets, Quartz Countertops, Security System, Storage, Window Treatments

Area & Lot

  • Status Sold
  • Date Sold April 20, 2026
  • Living Area1,584 Sq.Ft.
  • Total Area1,584 Sq.Ft.
  • Lot Area8,250 Sq.Ft.
  • MLS® ID618093
  • TypeResidential
  • YEAR BUILT1985
  • NeighborhoodMarathon
  • Architecture StylesAbove Flood
  • View DescriptionCanal

Exterior

  • PoolIn Ground, Fiberglass
  • roofMetal
  • parkingCovered
  • AIR CONDITIONINGCentral Air, Ceiling Fans(s)
  • security FeaturesOther
  • other exterior FeaturesLighting, Bar, Outdoor Shower, Storage, Water Display

Financial

  • Sales Price$2,237,500
  • Real Estate Tax $14,635/yr
  • Zoning R-1A - Key Colony Single Family

Marathon

Marathon is also home to a variety of animal interaction opportunities.

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