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4 Beds
4 Baths
2,540 sqft

$3,300,000

355 Stirrup Key Boulevard, Marathon FL, 33050

Price per sqft$1,299.21
Built in1994
Property size2,540 sqft
Property typeResidential

Overview

Active

Listed Sep 17, 2026

Updated 4 days ago

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 turnkey home offers exceptional privacy, protected dockage 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 one.

$21,955/mo

Est. mortgage payment based on a $3,300,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
621321

Interior Features

Bedrooms
4
Bathrooms
4
Cooling
Yes
Heating
Yes
Basement
No

Exterior Features

Lot Size
0.44 Acres

Other Property Details

Taxes
$21,035
Tax Frequency
Annually
Garage
Yes
View
Yes
Pets Allowed
Yes
Pool
Yes
Waterfront
Yes
55+/Senior Community
No
MLS provider logo

Listed by Lisa Wiebe with Coldwell Banker Schmitt Real Estate Co.
Listing Contact: 561-386-4952 

The IDX display contains information sourced from the Florida Keys Board of REALTORS® as of 9/28/2026. This data is intended solely for personal, non-commercial use and is not to be utilized for any other purposes except to identify potential properties for purchase. Although the MLS data displayed is typically considered reliable, it is not guaranteed to be accurate by the MLS. Buyers are responsible for verifying the accuracy of all information and are advised to conduct their own investigations or seek professional assistance. Other sources besides the Listing Agent may have contributed to the MLS data presented. Unless expressly specified in writing, the Broker/Agent has not confirmed any information obtained from external sources. The Broker/Agent may or may not have acted as the Listing and/or Selling Agent and cannot guarantee the accuracy of property locations displayed on any map. Any compensation offers are solely made to participants of the MLS where the listing is registered.

©2026 Florida Keys Board of REALTORS® all rights reserved.

Data last updated on 9/28/2026 at 4:39 AM UTC

 

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