4000 TOWNSEND Boulevard A rare riverfront masterpiece, 4000 Townsend Blvd offers an extraordinary private estate on 1.5 acres with 140 feet of St. Johns River frontage. Nestled behind Pauline Island, this protected waterfront setting offers approximately 4 feet of water at all tides, a shorter, less exposed dock, and an elevated homesite. Majestic oaks, breathtaking river views, and nearly 80 windows create a light-filled sanctuary just minutes from city conveniences. Unique architecture, custom design, and exceptional renovations define every space, including a spectacular chef's kitchen with premium appliances. The upper level is devoted to a luxurious primary retreat featuring panoramic river views and a spa-inspired bath. A boater's paradise with access to Mill Cove, Sisters Creek, Fort George Inlet, Mayport Jetties, and the Intracoastal Waterway, this exceptional property offers an unparalleled blend of privacy, elegance, and waterfront adventure.