150 Seaport Blvd. #GPH, Boston, MA 02210
$44,500,000 · For sale
- 6 bedrooms
- 9 bathrooms
- 10,609 sq ft
- Condo
- MLS #73567770
Experience a new echelon of luxury living at The Grand Penthouse, the crown jewel of the St. Regis Residences. Encompassing over 10,000 sq ft across 2 dramatic levels, this one-of-a-kind home sits atop Boston’s iconic Seaport, offering panoramic views of Boston Harbor and the city skyline through soaring floor-to-ceiling windows. Designed with extraordinary attention to detail, the residence features a double-height great room, a sculptural curved floating staircase with glass railings, and a grand foyer with an Italian marble radial inlay floor. Every element is curated for refined living and entertaining at scale. The outdoor living experience is equally extraordinary, including a custom infinity-edge pool with a clear acrylic bottom, and a retractable Libart International glass roof, and sweeping water views from every angle. Blending the privacy of a custom home with the legendary service of the St. Regis brand, The Grand Penthouse is a truly rare offering Boston has never seen.
About this address
150 Seaport Blvd. #GPH is a 6-bedroom, 9-bath condo for sale in Boston, MA 02210 with 10,609 square feet, asking $44,500,000. It has been on our site since September 24, 2026.
At $4,195 a square foot, it compares with a median of $846 among the 1575 other condos for sale in Boston with a stated size.
It scores 99 out of 100 for walkability, from how close everyday places are.
The closest bus stop is Seaport Blvd @ Pier 4 Blvd (MBTA route 4), under 0.1 miles away.
The closest public schools by level are Condon K-8 School (1.0 mile) and Boston Collaborative High School (1.2 miles). The district decides which school serves an address.
Listing information from MLS Property Information Network (MLS PIN), MLS #73567770, deemed reliable but not guaranteed. Prices are compared with other homes listed on this site today. Trains and buses come from the transit agencies’ published schedules and schools from the National Center for Education Statistics. Distances are straight-line.
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