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View from office/den into living room.
Property for sale at 5279 ISLA KEY BOULEVARD S UNIT 417, ST PETERSBURG, FL, 33715
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5279 Isla Key Boulevard S Unit 417St Petersburg, FL, 33715

2beds
2baths
1,325sqft
Condominium
Built in 1985
$769,000
For sale
$799,000−$30,000 (4%)Reduced Nov 1, 2026
Price per sqft
$580
Days on market
6
Listed
Nov 1
MLS #TB8563493Updated Nov 6, 2026

About this property

Offered for sale by its original owner, this unit presents a rare opportunity to own one of Isla Key’s most exceptional residences. This expansive top-level 4th floor corner penthouse is one of only four larger penthouse units in this community of 192 homes and is designed with architectural advantages that make this home incomparable to others at Isla Key. Extra-high ceilings and walls of glass create a sense of volume and light that immediately set this home apart. Positioned to capture sweeping, unobstructed views of Boca Ciega Bay, the outlook is nothing short of extraordinary. The scale of the view is matched by the number and size of the windows through which it’s enjoyed, offering a panoramic experience that is rare at any price point. Unlike typical floor plans, this residence features a true, generously sized office/den with large bay-facing windows, an inspiring space that elevates daily living and offers supreme work-from-home potential, plus an additional office space connected to the kitchen. The guest bath features a large jetted Kohler tub for ultimate relaxation. The home also includes a wood-burning, marble-clad fireplace, adding warmth and character for those precious few chilly winter evenings, when the fire is framed by the lights stretching from St. Pete Beach to downtown St. Petersburg. Completely move-in ready and offered fully-furnished and turn-key, the unit has been thoughtfully updated throughout. A brand-new kitchen showcases beautiful custom cabinetry and quartzite countertops, a material carried seamlessly into both bathrooms and even the sill of the large primary bedroom window, an attention to detail that underscores the quality of the renovation. The primary suite is further enhanced by new furniture and a custom-built closet system. This unit comes with the rare addition of a covered parking space. The community of Isla Key, which features a recently completed seawall, is coveted not only because of its incredible waterfront location and expansive views, but also because of its amenities, including an exceptionally large heated waterside pool and spa, tennis and pickleball courts, bocce ball, and its convenience to both the vibrancy of downtown St. Petersburg and the white sands of the Gulf Beaches. For buyers who recognize that not all units and not all views are created equal, this penthouse represents something truly special.

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Property details

Property type
Condominium
Street address
5279 Isla Key Boulevard S Unit 417
City
St Petersburg
State
FL
ZIP code
33715
Year built
1985
New construction
No
Faces
South
Rooms
6
Building stories
4
Living area
1,325 sqft
Total building area
1,325 sqft
Levels
One

Stellar MLSThe data relating to real estate displayed on this website comes in part from the Internet Data Exchange (IDX) Program of Stellar MLS. All listing information is deemed reliable but not guaranteed and should be independently verified through personal inspection by appropriate professionals. Listings displayed on this website may be subject to prior sale or removal from sale; the availability of any listing should always be independently verified. Listing information is provided for consumers' personal, non-commercial use, solely to identify potential properties for potential purchase; all other use is strictly prohibited and may violate relevant federal and state law.Stellar (MFR) data last updated at November 7, 2026 at 1:17 PM EST

Price & sale history

Asking price reduced by $30,000 (3.8%) since first listed.

EventPrice
Price reducedMLS #TB8563493$769,000Change: −3.8%−$30,000
Listed for saleMLS #TB8563493$799,000
History may be incomplete.
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Location

View from office/den into living room.
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