Residential

355 Stirrup Key Boulevard, Marathon

$3,300,000.00

Bedroom 4 bedrooms
Full Bathroom 3 full baths
Half Baths 1 half baths

  • MLS #: 621321
  • Address: 355 Stirrup Key Boulevard, Marathon, FL 33050
  • Date Listed: 9/17/2026
  • Days on Market: 0
  • SQFT: 2540
  • Acres: 0.44
  • Restrictions: Unknown
  • Subdivision: Stirrup Key Sub (52.5)

Location Location

Agent Comments Agent Comments
Welcome to Sunset Anchorage, a beautifully renovated open-water home in the exclusive gated community of Stirrup Key. Set on an expansive lot and a half, this three-story CBS home offers exceptional privacy, protected dockage, a private pool, and sweeping Gulf views with spectacular sunsets. Extensively updated, the home features a brand-new kitchen with custom cabinetry, a custom bar, updated flooring, new impact windows and doors, and new A/C units. New Hardie board siding accents the front exterior, adding texture and architectural character. The main level features the primary suite with a newly expanded and completely renovated bathroom. An additional guest bedroom enjoys marina views with a full bath nearby. A newly extended covered back porch off the living and dining rooms offers outdoor seating and dining overlooking the pool and Gulf. Upstairs, a secondary primary suite features a private full bath and walk-out balcony with stunning bay views, while another guest bedroom and half bath also enjoy expansive open-water views. Downstairs, a spacious covered patio and newly built tiki bar create additional entertaining space poolside. The pool has been beautifully re-tiled and refinished with new equipment, including a heater and chiller. A redone waterfront observation deck provides easy kayak access, views over the sandy bay bottom, and a front-row vantage point for spectacular sunsets. Protected dockage is just across the street in Stirrup Key's private marina. Boat slip D41 includes a new concrete walk-out dock and a 15,000-lb boat lift, with instant bay access and quick ocean access via Vaca Cut or Seven Mile Bridge. Additional features include a metal roof, garage, ground-floor storage, a fenced dog run, and mature tropical landscaping highlighted by a grove of gumbo limbo trees. Sunset Anchorage brings together open-water views, protected boating, privacy, and unforgettable Florida Keys waterfront living-offered turnkey and ready to enjoy from day

Amenities Amenities
  • Stainless Steel Appliance(s)
  • Dishwasher
  • Dryer
  • Freezer
  • Ice Machine
  • Microwave
  • Oven
  • Range
  • Refrigerator
  • Washer

Interior Features Interior Features
  • Cool System: Central Air
  • Heat System: Electric
  • Floors: Tile, Laminate
  • Rooms: Utility Room
  • Interior: Utility Room, Bar, Built-in Cabinets, Storage, Window Treatments

Exterior Features Exterior Features
  • Roof: Metal
  • Pool: Yes
  • Exterior: Rain Gutters, Lighting, Bar, Chickee Hut, Fencing, Fruit Tree(s), Sprinkler System, Storage

Additional Features Additional Features
  • County: Monroe
  • Property Type: Single Family Residence
  • Tax Number: 00333641-007100
  • Waterfront Features: Bay Front, Gulf Front, Open Water
  • Water/Sewer: Elect Separate Meter, FKAA, Municipal Sewer, Water Separate Meter, Whole House Generatr
  • Stories: 3 Stories
  • Year Built: 1994