Pre-Construction. To be built. A Rare Waterfront Opportunity — Available to Be Built A rare opportunity to build in Causeway Isles at 7821 3rd Ave S, St. Petersburg, FL 33707. Envision 3,850 SF of modern living with breathtaking views of downtown St. Pete, set on 100 feet of deep saltwater frontage—perfect for boating, sunsets, and seamless indoor-outdoor entertaining. This tropical modern residence is thoughtfully designed with 5 bedrooms, 5 bathrooms, a resort-style pool and spa, outdoor kitchen, optional private elevator, and all hurricane-rated materials. Featuring top-tier finishes and a brand-new seawall, this home delivers the ultimate Florida waterfront lifestyle—to be built. Note - Photos are from another home that the builder recently built and are merely representative of what we can build together on this lot!