355 Stirrup Key Blvd, Marathon, FL 33050

$3,300,0004 Beds4 Baths2,540 Sq. Ft.$1,299 / sq. ft.

Marathon, FL 33050 · MLS# A12092952 · Active · STIRRUP KEY SUBD

Status
Active
Type
Single Family Residence
Year Built
1994
Days on Market
20
Lot Size
19,274 sqft
MLS #
A12092952
County
Monroe County

Description of 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 for 355 Stirrup Key Blvd, Marathon, FL 33050

Bathrooms Full
3
Bathrooms Half
1
Interior Features
Second Floor Entry, Storage
Appliances
Dishwasher, Dryer, Electric Range, Ice Maker, Refrigerator, Washer
Flooring
Tile
Heating
Electric
Cooling
Ceiling Fan(s), Electric, Other, Zoned
Architectural Style
Detached, Three Or More Stories
Garage Spaces
2
Attached Garage
Yes
Parking Features
Additional Spaces Available, Driveway, Guest
Pool Features
In Ground
Pool Private
No
Year Built Details
Effective Year Built
Direction Faces
Southeast

Building Information for 355 Stirrup Key Blvd, Marathon, FL 33050

Building Name
STIRRUP KEY SUBD
Building Area Total
6072
Building Area Units
Square Feet
Association
Yes
Association Fee
$1,200
Association Fee Frequency
Annually

Property Information for 355 Stirrup Key Blvd, Marathon, FL 33050

Lot Features
1/4 To Less Than 1/2 Acre Lot
Lot Size Square Feet
19,274
Waterfront
Yes
Waterfront Features
Ocean Access
Frontage Length
99
View
Bay, Water
Construction Materials
CBS Construction
Roof
Metal Roof
Exterior Features
Lighting, Open Balcony
Sewer
Public Sewer
Water Source
Municipal Water
New Construction
No

Public Records for 355 Stirrup Key Blvd, Marathon, FL 33050

Parcel Number
00333641-007100
Tax Annual Amount
$21,035
Tax Year
2025
Tax Legal Description
PT LT 70 AND ALL LT 71 STIRRUP KEY SUBDIVISION PB7-4 STIRRUP KEY Dock Area B Parcel D-41 Stirrup Key
Zoning
Residential Medium
County Or Parish
Monroe County

Payment Calculator

Estimated Payment
$20,190/mo
Principal & Interest
$16,687
Property Taxes
$1,753
Home Insurance
$1,650
HOA Dues
$100

Estimate only — actual rates, taxes and insurance vary. Not a loan offer or financial advice. Financing through Matthew Gromadzki, NMLS #2560919 · Innovative Mortgage Services, Inc., NMLS #250769.

Location

355 Stirrup Key Blvd, Marathon, FL 33050

Courtesy of Coldwell Banker Schmitt Real E

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More information about 355 Stirrup Key Blvd, Marathon, FL 33050

355 Stirrup Key Blvd is a single family home for sale in Marathon, FL 33050. This property was listed for sale on September 17, 2026 by Coldwell Banker Schmitt Real E, it's currently listed at $3,300,000. This listing's school district is Monroe County Public Schools. 355 Stirrup Key Blvd is a 4-bed, 4-bath, 2,540 sqft single family home built in 1994.