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$3,599,999 - 7821 3rd Avenue S, ST PETERSBURG

5
Bedrooms
6
Baths
3,850
SQ. Feet
0.19
Acres

Pre-Construction. To be built. A Rare Waterfront Opportunity — Available to Be Built An exceptional opportunity to build in Causeway Isles at 7821 3rd Ave S, St. Petersburg, FL 33707. This rare offering features wide open water views, a protected yacht slip accommodating vessels up to 80 feet, and stunning sunset vistas overlooking Sunset Park—a true boater’s dream. Envision 3,850 SF of tropical modern living set on 100 feet of deep saltwater frontage, designed for effortless indoor-outdoor entertaining and unforgettable sunsets. The residence is thoughtfully planned with 5 bedrooms, 5 bathrooms, a resort-style pool and spa, outdoor kitchen, optional private elevator, and all hurricane-rated materials. Top-tier finishes and a brand-new seawall complete this ultimate Florida waterfront lifestyle—to be built. Note: Photos are from a recently completed home by the builder and are representative of the quality, style, and level of finishes that can be built on this lot

Essential Information

  • MLS® #:
    TB8461977
  • Price:
    $3,599,999
  • Bedrooms:
    5
  • Bathrooms:
    6.00
  • Full Baths:
    5
  • Half Baths:
    1
  • Square Footage:
    3,850
  • Acres:
    0.19
  • Year Built:
    2026
  • Type:
    Residential
  • Sub-Type:
    Single Family Residence
  • Status:
    Active

Community Information

  • Address:
    7821 3rd Avenue S
  • Area:
    St Pete/South Pasadena/Gulfport/St Pete Bch
  • Subdivision:
    SOUTH CSWY ISLE 3RD ADD
  • City:
    ST PETERSBURG
  • County:
    Pinellas
  • State:
    FL
  • Zip Code:
    33707

Amenities

  • # of Garages:
    3
  • Is Waterfront:
    Yes
  • Waterfront:
    Freshwater Canal w/Lift to Saltwater Canal
  • Has Pool:
    Yes

Interior

  • Interior Features:
    Ceiling Fans(s), High Ceilings, Primary Bedroom Main Floor, PrimaryBedroom Upstairs, Walk-In Closet(s)
  • Appliances:
    Convection Oven, Cooktop, Dishwasher, Disposal, Range Hood, Refrigerator, Tankless Water Heater, Wine Refrigerator
  • Heating:
    Central
  • Cooling:
    Central Air
  • # of Stories:
    1

Exterior

  • Exterior Features:
    Balcony
  • Roof:
    Other
  • Foundation:
    Slab

Additional Information

  • Days on Market:
    39

Listing Details

  • Listing Office:
    Phil Desautels P.a.

Listing information courtesy of Phil Desautels P.a..

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Listing data comes from My Florida Regional MLS.

Listing information last updated on February 15th, 2026 at 9:18pm EST.