450 Alton Rd #PH1, Miami Beach, FL, 33139 An irreplaceable trophy penthouse, crowning South of Fifth at the iconic Philippe Starck–designed ICON South Beach, establishes a new benchmark for Miami Beach luxury. This extraordinary tri-level masterpiece presents a bespoke private rooftop terrace, on e of the largest in Miami Beach, spanning over 11,000 sf of outdoor living, commanding unobstructed 360-degree panoramic views across every horizon. The private rooftop sanctuary is designed for grand-scale entertaining and elevated everyday living, featuring a saltwater pool, expansive sun lounges, a professional-grade outdoor kitchen with BBQ, dining for 18, a fire pit, and multiple wraparound terraces across all levels, creating a seamless indoor-outdoor lifestyle at an unprecedented scale.Two sculptural floating staircases, illuminated by dramatic skylights, connect the residence’s three levels. Soaring 20-foot floor-to-ceiling glass walls frame breathtaking vistas from sunrise to sunset, capturing the Atlantic Ocean and pristine beachfront, cruise ships gliding past Fisher Island, sweeping open bay views, and Miami`s skyline sunsets.The grand principal suite is a private retreat encased entirely in glass, showcasing a spa-inspired bath with a floating shower and soaking tub, multiple walk-in wardrobes. The PH also offers two family rooms, two wine cellars, a bar lounge, billiards room, and private gym. Completing the offering is a private 7 car garage. This is a world-class legacy estate at the very to of Miami Beach.