1643 Brickell Ave #PH4901, Miami, FL, 33129 An exceptional waterfront estate in the sky at the iconic Santa Maria, PH4901 is an extraordinary duplex penthouse combining the scale, privacy, and grandeur of a private mansion with its own 97` boat slip and the exclusivity of elevated waterfront living above Brickell. Framed by sweeping, unobstructed 180-degree views of Biscayne Bay and the Miami skyline, the residence captures spectacular sunrises and sunsets, making its panoramic vistas one of its defining features. Offering 10,000 SF of interior living space and approximately 4,394 SF of private terraces, the residence has been thoughtfully reconfigured into three expansive primary suites, complemented by 6 full and 3 half baths. A grand family room provides an inviting setting for relaxed everyday living and gathering, while a dedicated media room offers a private environment for entertainment and movie nights. Private elevator access opens directly into the residence, where exceptional proportions, abundant natural light and expansive outdoor spaces create a remarkable setting for both everyday living and entertaining. The residence includes 4 parking spaces, storage, a private plunge pool and a Marina Slip, measuring approx. 27` x 97` and accommodating a yacht up to approx. 90`. Few residences in Miami offer such a rare convergence of scale, privacy, panoramic views and direct access to the water, making PH4901 an extraordinary expression of elevated waterfront living and a truly singular offering.