Home in 355 Stirrup Key Boulevard, Marathon, FL 33050 for sale with MLS# A12092952

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.

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355 Stirrup Key Boulevard, Marathon, FL 33050

Price
Price:
$3,300,000.00
Original List Price:
$3,300,000.00
List Price per Sq Ft (Calculated, Approx.):
$1,299.21
Property Status and Type
Listing Type:
For Sale
Status:
Active
Listing Category:
Residential
Property Type:
Single Family House
Description of Last Important Update:
New Listing
Last Major Update on:
September 17, 2026 4:00 am
Other Special Conditions:
Sold As-is
Rooms Distribution
Bedrooms:
4
Bathrooms Total:
4
Full Bath:
3
Half Bath:
1
Master Bedroom Bath:
2 Master Baths, Master Bdrm - Upstairs, Dual Sinks, Bedroom On Entry Level
Measures
Living Area:
2,540 Sqft
Built-Up Area:
6,072 Sqft
Lot Area:
19,274 Sqft
Lot Size Acres:
0.44
Property Features
View from the Property:
Water, Bay
Waterfront:
Yes
Waterfront Features:
Bayfront
Frontage Length:
99
Private Pool
Swimming Pool Features:
In Ground
Appliances:
Dryer, Dishwasher, Refrigerator, Washer, Electric Range, Ice Maker
Interior:
Storage
Exterior:
Balcony, Lighting
Patio and Porch:
Patio, Porch, Porch - Wrap Around
Windows:
Blinds
Air Conditioning
Air Conditioning System:
Other, Zoned, Ceiling Fan(s), Electric
Heating
Heating System:
Electric
Boat and Dock Features:
Private Dock, Lift, Marina, Ramp, Deeded Dock
Property Entrance Faces:
Southeast
Balcony Details:
Balcony - Open
Storm Protection Impact Glass:
Partial
Sprinkler Description:
Other Sprinkler
Construction
Year Built:
1994
Roof:
Metal
Levels:
Three Or More
Entry Level (floor):
2
Construction Materials:
CBS
Flooring:
Tile, Laminate
Number of stories:
3
Flood Zone Code:
VE,AE
Taxes and Expenses
Tax Annual Amount:
$21,035.00
Tax Year:
2025
Association Fee:
$1,200.00
Association Fee Frequency:
Annually
Property Tax Details:
Tax Reflects No Exemptions
Parking
Garage
Garage Spaces:
2
Covered Spaces:
2
Parking Features:
Driveway, Garage, Garage Door Opener, Attached, Guest, Attached Garage
Utilities
Sewer:
Public Sewer
Water Source:
Public
Community
Association
Association Type:
Homeowner Association
Pets Allowed?
Amenities Provided by the Homeowner's Association (HOA):
Gated
Subdivision Name:
STIRRUP KEY SUBD
Senior Community:
Yes
Restrictions:
Lease Restrictions
Community Dock
Leasing Permitted
Leasing Permitted Details:
Okay To Lease With Restrictions
Terms
Listing Terms Considered by Seller:
Cash, Conventional
Buyer Possession:
Close Of Escrow
Zoning and Legal
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
Real Estate Folio Number (Parcel Number):
00333641007100
Zoning:
Residential Medium
Public Schools Assigned
Elementary School:
Round Lake Elem
High School:
Coral Shores
Middle Or Junior School:
Marathon
Listing History
Active on the market since:
September 17, 2026
Listing Agreement executed on:
September 17, 2026
Listing Status Last Changed On:
September 17, 2026 4:00 am
Photos updated on:
October 7, 2026 4:16 pm
Last Modified:
October 7, 2026 5:24 pm
Additional Information
Courtesy of:
Coldwell Banker Schmitt Real E
Attribution:
Not provided
Location
Street Name:
Stirrup Key
Street Number:
355
City:
Marathon
State:
Florida
Zip Code:
33050
County:
Monroe
Latitude:
N24° 44' 28.8''
Longitude:
W82° 57' 27.2''
Street Suffix:
Boulevard
Property Map

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Neighborhood Stats

Source: U.S. Census Bureau, ACS 5-Year Estimates

Median Household Income $83,243
Median Home Value $705,600
Median Rent $1,611/mo
Median Age 48
Population 10,586
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Association of REALTORS®
Disclaimer: IDX listing information is presented by Rebonus Brokerage LLC for consumer informational purposes only. The information provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data is deemed reliable but is not guaranteed by the MLS or the real estate broker. This page presents structured listing information sourced directly from the MLS via the RESO Web API feed. Rebonus prioritizes maximum field coverage and data completeness, displaying the most granular MLS-provided attributes available.