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Anchor Line Realty

Anchor Line Realty specializes in buyer brokerage, real estate sales listings, and long term property management in Key West & the Florida Keys.

Call: (305) 766-6835

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$3,400,000
339 Stirrup Key Boulevard
Marathon, FL 33050
MLS# 613448
Status: Closed
4 beds  |  4 baths  |  2521 sqft


Aerial
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Aerial Aerial Aerial Pool Boat Slip Observation Platform Front Entrance Front Porch Front Porch Entrance Living Room Living Room Living room Living Room Kitchen Kitchen Kitchen Kitchen Kitchen Primary Bedroom Primary Bedroom Aerial Primary Bathroom Primary Bathroom Primary Porch Guest Bedroom Guest Bedroom Guest Bathroom Guest Bathroom Sitting Area 2nd Floor Sitting Area 2nd Floor Guest Bedroom Guest Bedroom Guest Bedroom Guest Bedroom Guest Bathroom Laundry Room Pool Pool Covered Rear Patio View Pool Pool/Spa Cabana Cabana Covered Patio Storage/possible 5th Bedroom Cabana Bathroom Observation Platform Observation Platform Rear Rear Garage Boat Slip Aerial Aerial Aerial Aerial Aerial Aerial Aerial Floor Plan

Property Description
Nestled in the prestigious gated community of Stirrup Key, this 2013 custom built CBS Open water home features 4 bedrooms 4 bathrooms and is a contemporary coastal masterpiece, showcasing luxurious finishes, panoramic open water views and the ultimate Keys lifestyle. Surrounded by lush tropical landscaping, this property is a private sanctuary, featuring vibrant greenery, fruit trees, and butterfly-friendly gardens that create a serene, natural oasis. In the evenings, outdoor landscape lighting adds an enchanting ambiance making the property ideal for entertaining or quiet relaxation. Inside, the open-concept design is bathed in natural light from floor-to-ceiling impact-resistant windows/doors that frame uninterrupted water views. The main level features a thoughtfully designed layout, highlighted by a chef's kitchen with stainless appliances, custom cabinetry and generous counter space, all perfect for entertaining. The primary suite, conveniently located on the main level, offers a luxurious retreat with spectacular water views, a spa-like en-suite bathroom, and direct access to the outdoor living area. The rear of the property is designed for outdoor living at its finest. An elevated infinity-edge pool blends seamlessly with the horizon, offering a tranquil space to relax while overlooking the water. A private observation platform provides the perfect spot for morning coffee or evening cocktails under the stars. For boating enthusiasts, a deeded boat slip in the community's protected marina is also included. The lower enclosure includes a spacious 2 car garage and an abundance of storage for recreational gear, tools and equipment. This rare gem combines luxury, privacy and convenience and is located just minutes from local restaurants, shopping, beaches and the Marathon Jet Center.

Details
Maps
Contract Information
Current Price: $3,400,000
Listing Date: 2025-02-01
Listing Board: Key West Association
Leased Price Monthly: $3,400,000
As is Rght to Inspct: Yes
Species List: No
Location, Tax & Legal
Street #: 339
Street Name: Stirrup Key
Street Suffix: Boulevard
Key/Island: Marathon
State/Province: FL
Zip Code: 33050
County: Monroe
Subdivision: Stirrup Key Sub (52.5)
Area: 15 - Sombrero Bch Rd to Vaca Cut Gulfside
General Property Description
Realtor.COM Type: Residential - Single Family
Style: Single Family
Waterfront: Yes
Control Depth: 3
Pool: Yes
Year Built: 2013
Lot SqFt: 10800
Lot Sqft Source: Property Data Card
Acres: 0.48
Living Apx SqFt: 2521
SqFt Source: Property Data Card
Total Bedrooms: 4
Full Baths: 4
Total Baths: 4
Rentals Allowed: No
Status Change Info
Under Contract Date: 2025-05-02
Leased Date: 2025-07-07
Leased Price Monthly: $3,400,000
Sold Comments: Sale included the lot next door and a boat slip
Status: Closed
Association Info
Mandatory Home Owners Asc: Yes
1st Right of Refusal: No
Association Fee $: 2620
Assoc/Mnt Fee Per: Yearly
Building Style
Above Flood: Yes
Stilt Column Height: Medium - 5Ft - 9Ft
Vehicle Storage
Car(s): 4+
Pool Info
Other: elevated pool
Heated: Yes
Property Features
Fee Includes: Common Area Mnt; Security
Tax Exemptions: None
Waterfront: Gulf Front; Open Water
Waterview: Bay/Gulf View; Open Water View
Dockage: Boat Lift; Boat Slip
Vehicle Storage: Garage; Attached; Guest Parking; Off Street Parking; Open Parking; Trailer Storage
Furnished: Negotiable
Cooling: Ceiling Fans(s); Central Air
Utilities: Buyer to Verify; FKAA; Municipal Sewer
Interior Features: Cathedral Ceilings; Granite Counter Top; Split Bedroom; Storage; Walk-in Closet(s)
Specialty Rooms: Laundry Room; Loft; Workshop
Appliances: Dishwasher; Dryer; Microwave; Oven; Range; Refrigerator; Stainless Steel Appliance(s); Washer
Exterior Features: Chickee Hut; Fruit Tree(s); Hot Tub; Lighting; Outdoor Shower; Rain Gutters; Storage
Pool Info: Concrete
Construction: CBS
Floor: Carpet; Tile
Roof: Metal Roof
Pets: Pets Allowed
Neighborhood Feature: Community Boat Ramp
Land Size: 1/4 - 1/2 Acre
Terms: Cash; Conventional; FHA; VA
Title: Negotiable

Listing Office: Coldwell Banker Schmitt Lower Keys (KW)

Last Updated: March - 19 - 2026

The data relating to real estate for sale on this web site comes in part from the Florida Keys MLS, Inc. Information provided is deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. The information being provided is for consumers’ personal, non-commeral use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. IDX data is deemed reliable but is not guaranteed accurate by the MLS.


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David Austin, Owner/Broker
Anchor Line Realty, LLC
820 Ashe Street
Key West, FL 33040
www.anchorlinerealty.com
[email protected]
305.766.6835
Member, National Association of Realtors (NAR)
Member, Florida Association of Realtors (FAR)
Member, Key West Association of Realtors (KWAR)