Penthouse 1 Cosabella on the Bay | Miami Beach | 1930 Bay Drive Experience elevated waterfront living in Penthouse 1 at Cosabella on the Bay, a rare new construction residence offering 2,551 square feet interior space directly on the wide open waters of Biscayne Bay. This offering represents one of the most compelling values for true bayfront, boutique luxury in Miami Beach. Set within an exclusive, low density building, PH1 delivers a level of privacy, tranquility, and unobstructed water exposure that is increasingly difficult to find in today's market. Floor to ceiling glass frames sweeping bay views, while the thoughtfully designed layout maximizes natural light and seamless indoor outdoor flow. 2551 Sf of interior living space and an 1800 Sf terrace.