510 Harbor Cay DriveLongboat Key, FL 34228Sale Price: $4,495,000

  • Sale Price: $4,495,000
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Federal 30-year interest rate: 6.51% last updated on May 21, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $4,495,000Sale Price
  • 4Bedrooms
  • 4Full Bath
  • 1Half Baths
  • 5,439Square Feet

Listing Tools

Luxury, space and comfort abound in this exceptional 4BR estate of refined style and painstakingly appointed elegance befitting its prime location with over 240’ of water frontage, where boating water on two sides and 2 docks allow ease of bay access to begin your nautical adventures. Meticulously maintained grounds shaded by majestic mature trees and a long paver drive greet you to the impressive three-story faade, topped by a stately barrel tile roof. A columned entryway and dark wood double doors usher the way inside, where sleek tile floors, 3-story ceilings and brilliant architectural touches are enhanced by natural light through soaring transom windows and the water vistas beyond. The first floor flows seamlessly with the guest suite, separate office, media room, living room, family room, formal dining room and eat-in area adjacent to the sleek and stylish kitchen, complete with gorgeous wood cabinetry, large island, granite counters and backsplash, tray ceiling, breakfast bar and high-quality, low-profile appliances. An elevator provides swift access to the 3d floor, where the master suite with wet bar, private terrace, voluminous walk-in closet and beautifully arranged master bath with spa tub awaits. Each guest bedroom also boasts an en-suite bath. Enjoy entertaining on any scale in the multi-tiered outdoor areas, which include a summer kitchen, an abundance of open and covered terrace space, pool, spa and breathtaking water vistas.

Property Details of 510 Harbor Cay Drive

Property Details

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Mortgage Calculator


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Est. Mortgage:
$/month over payments
Federal 30-year interest rate: 6.51% last updated on May 21, 2026. * The above figures are estimates provided by Union Street Media using the FRED® API, and are not endorsed or certified by the Federal Reserve Bank of St. Louis. Check with your lender for actual interest rates.
Listed by Bruce Myer of COLDWELL BANKER REALTY

Listing Sold by PREMIER SOTHEBY'S INTERNATIONAL REALTY

Listings courtesy of StellarMLS as distributed by MLS GRID. Based on information submitted to the MLS GRID as of May 26, 2026 10:31 PM EDT. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. IDX information is provided exclusively for consumers’ personal noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. The data is deemed reliable but is not guaranteed by MLS GRID. The use of the MLS GRID Data may be subject to an end user license agreement.

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