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Home For Sale
7821 3RD AVENUE S
St. Petersburg, Florida 33707
Pinellas CountyWaterfront:
YesCommunity: SOUTH CSWY ISLE 3RD ADD
$3,600,000
4 br, 5.0 bath
3850 sq. ft.
0.190 acres
Pre-Construction. To be built. Pre-Construction - To Be Built - Waterfront Opportunity in Causeway Isles- An exceptional opportunity awaits in coveted Causeway Isles. Perfectly positioned between vibrant St. Petersburg and the sugar-sand beaches of Treasure Island, this prime open-water lot is ready for your custom dream home. Enjoy a sought-after northeast exposure overlooking scenic Sunset Park and a tranquil, protected bay with 103 feet of waterfront frontage. The brand-new seawall (May 2025) provides peace of mind and a strong foundation for what's to come. This expansive homesite can easily accommodate a luxury residence of approximately 3,850 square feet, complete with a private pool, outdoor kitchen, and covered flex space designed for effortless indoor-outdoor living. The featured concept showcases a four-bedroom, 4.5-bath custom home thoughtfully designed to maximize water views and natural light. Blending clean modern architecture with curated touches of color, texture, and glass, the design captures the essence of refined waterfront living. The result is a home that feels both elevated and inviting--ideal for everything from relaxed weekend brunches to elegant evenings under the stars. Crafted by Neo Homes, the build will include premium finishes, designer selections, hurricane-rated construction, and a true white-glove experience from start to finish. If you're considering building your waterfront dream home, we would love to connect and are always available for a friendly conversation. As neighborhood residents, we're passionate about sharing what makes this boating community so special. This is a rare opportunity to create a legacy waterfront estate in one of St. Petersburg's most desirable enclaves--where luxury, location, and lifestyle meet. Neo Homes is the builder.
Note: Photos are from a recently completed home by the builder and are representative of the quality, architectural style, and level of finishes available for this homesite.
Interior:
- Bedrooms: 4
- Baths: 5.0
- Sq Ft: 3850
- Year Built: 1958
- Utilities:
- Fireplaces:
- Stories:
- Heat/AC: Central
- Garage: Garage, Garage - Attached
Exterior:
- Lot Size: 0.190 acre
- Lot Dimensions:
- Waterfront: Yes
- View Types:
- Yard:
- Siding: Block, Frame
- Roof: Membrane
- Property Taxes: $13,393
- Swimming Pool: Yes
- MLS #: TB8476329
Contact Information:
Listing Agent: Debbie McGinty, LLC, Coastal Properties Group International, LLC, 813-416-2646, 727-493-1555
Listing Site, Listing Status: Active
Copyright © 2026 Stellar MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Copyright © 2026 Stellar MLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Ad Number: 7283544
Viewed 54 times.
Updated: Mar 04, 2026

