639 43RD AVENUE N Experience luxury in this beautifully expanded home, seamlessly blending a remodeled original residence with a brand-new 2, 821 sq ft addition (2024). This unique design offers two interconnected living spaces, ideal for multigenerational families, guests, or flexible arrangements, featuring three large master suites and multiple living areas. Upstairs, discover two private master retreats, each with its own living area, custom-tiled bathroom, walk-in closet, and screened balcony. The exterior is a private resort oasis: a 1, 500 sq ft screened lanai and a new 30x14 heated pool (late 2024). Massive sliding glass doors connect to an 800 sq ft great room, perfect for seamless indoor/outdoor entertaining. Located on a double lot in high-elevation Allendale Terrace—no flood insurance needed—this property boasts new hurricane-impact windows/doors, deep-well irrigation, mature oaks, and lush tropical landscaping for ultimate privacy. Boasting 5 bedrooms, 5 bathrooms, two full kitchens, two laundry rooms, and a two-car garage, this home delivers a rare blend of space, versatility, and new-construction quality—all just minutes from downtown St. Pete.