Under Construction. PRE-AUCTION: Bidder registration deadline: 5 November.Rising on nearly two private Gulf-front acres, this visionary estate is poised to become one of the most architecturally significant residences conceived on Longboat Key. Designed by internationally acclaimed Sweet Sparkman Architecture & Interiors, the sculptural home pairs bold modern form with coastal sensitivity, framing uninterrupted Gulf views from a dramatic foyer, open great room, and sweeping terraces. Dual kitchens, a temperature-controlled wine cellar, dedicated space for a private cinema, and rooftop deck elevate daily living and grand-scale entertaining, while a guest house and pool house extend privacy and flexibility. Lush resort-style grounds unfold to a shimmering pool and spa. Offered at a pivotal stage of construction, the estate presents a rare chance to shape an enduring Gulf-front legacy.