$3,300,000
355 Stirrup Key Blvd
Marathon, FL, 33050
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. Thoughtfully updated throughout, the home features a brand-new kitchen with custom cabinetry, custom bar, updated flooring, new impact windows and doors, new A/C units, and Hardie board siding accents. The main level features the primary suite with a newly expanded and completely renovated bath, plus a guest bedroom with marina views and a full bath nearby. An extended covered porch off the living and dining areas overlooks the pool and Gulf. Upstairs, a secondary primary suite offers a private bath and walk-out balcony with stunning open-water views, while an additional guest bedroom and half bath complete the level. Outdoor living includes a spacious covered patio, newly built tiki bar, and beautifully refinished and re-tiled pool with new equipment, heater, and chiller. A redone waterfront observation deck provides easy kayak access and an ideal place to enjoy the sunset. Across the street, protected dockage in Stirrup Key’s private marina includes concrete boat slip D41 with a walk-out dock and new 15,000-lb Hurricane Hoist boat lift. Mature tropical landscaping and towering gumbo limbo trees complete this exceptional Florida Keys property.
Property Details
Price:
$3,300,000
MLS #:
A12092952
Status:
Active
Beds:
4
Baths:
3.5
Type:
Single Family
Subtype:
Single Family Residence
Subdivision:
STIRRUP KEY SUBD
Neighborhood:
stirrupkeysubd
Listed Date:
Sep 17, 2026
Finished Sq Ft:
2,540
Total Sq Ft:
6,072
Year Built:
1994
Schools
Interior
Appliances
Dishwasher, Dryer, Electric Range, Ice Maker, Refrigerator, Washer
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
Ceiling Fan(s), Electric, Other, Zoned
Flooring
Tile
Heating
Electric
Interior Features
Second Floor Entry, Storage
Exterior
Architectural Style
Detached, Three Or More Stories
Attached Garage YN
1
Community Features
Gated Community
Construction Materials
CBS Construction
Covered Spaces
2
Direction Faces
Southeast
Exterior Features
Lighting, Open Balcony
Garage Spaces
2
Lot Features
1/4 To Less Than 1/2 Acre Lot
Open Parking YN
1
Parking Features
Additional Spaces Available, Driveway, Guest
Patio And Porch Features
Open Balcony, Patio, Wrap Around
Roof
Metal Roof
View
Bay, Water
Waterfront Features
Ocean Access
Window Features
Clear Impact Glass, Blinds, High Impact Windows
Financial
HOA Fee
$1,200
HOA Fee Frequency
Annually
Tax Year
2025
Taxes
$21,035
Mortgage Calculator
Map
Current real estate data for Single Family in Marathon as of Oct 13, 2026
41
Single Family Listed
169
Avg DOM
1,162
Avg $ / SqFt
$3,375,772
Avg List Price
Community
- Address355 Stirrup Key Blvd Marathon FL
- SubdivisionSTIRRUP KEY SUBD
- CityMarathon
- CountyMonroe County
- Zip Code33050
Subdivisions in Marathon
- 9999
- ANGLERS AT SOMBRERO
- BOAT HOUSE CONDOMINIUM,Boat House Marina
- BONEFISH TOWERS 74 UNITS
- BOUGANVILLEA VILLAS CONDO
- BUTTONWOODS ACRES
- CASA BLANCA
- COCO PLUM BEACH
- COCO PLUM BEACH REPLAT
- Cocoplum beach
- CONCH KEY
- Country Club Sombrero Blv
- CRAINS SUBD
- Duck Key
- FLAMINGO ISLAND EST AMD P
- GRASSY KEY,SeaGlass Cove
- GULFPOINTE I & II
- GULFSTREAM SHORES #2 AMD
- HARBOR CLUB SOUTH CONDOMI
- HARBOR ISLE
- HARBOR ISLE SEC A
- JG ESTATES
- KEY COLONY BEACH 1ST ADD
- KEYS RV/MOBILE HOME CONDO
- Knowlson Colony
- LATITUDE 24 REPLAT OF PO
- Lincoln Manor
- LITTLE VENICE
- LITTLE VENICE NO2
- Little Venice,Fed Economic Zone
- MARAMEADE AMD
- NORTH MARATHON SHORES PLA
- NORTH MARATHON SHORES PLA,Dodge Subdivision
- OCEAN ISLES FISHING VILLA
- PARRISH SUBD
- PIRATES COVE II, A CONDOM
- PUERTA DEL SOL
- Riggs Sub
- Riggs Sub 47.5
- RIGGS SUBD,Galway Bay
- SEAAIR ESTATES
- SEAVIEW
- SEAWATCH CONDOMINIUM
- Sunrise Isle,Sunrise Isles
- SUNSET BAY
- THE RESERVE AT SOMBRERO
- Tingler Island
- TRADE WINDS WEST
- Tranquility Bay 48.5
- Vaca Cut
- VENICE
- WALORISS SUBD
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Property Summary
- Located in the STIRRUP KEY SUBD subdivision, 355 Stirrup Key Blvd Marathon FL is a Single Family for sale in Marathon, FL, 33050. It is listed for $3,300,000 and features 4 beds, 4 baths, and has approximately 2,540 square feet of living space, and was originally constructed in 1994. The current price per square foot is $1,299. The average price per square foot for Single Family listings in Marathon is $1,162. The average listing price for Single Family in Marathon is $3,375,772.

355 Stirrup Key Blvd
Marathon, FL



















































































