Boston’s luxury real estate market has reached a new milestone with the listing of The Grand Penthouse at 150 Seaport Boulevard, priced at nearly $50 million. According to Boston.com, it is now the most expensive home for sale in Massachusetts, surpassing the $39 million Blue Heron Farm on Martha’s Vineyard.
The Grand Penthouse spans 10,000 square feet over two levels and includes six bedrooms. It features large windows with views of Boston Harbor and the city skyline. The interior includes a double-height great room, a curved floating staircase with glass railings, and a foyer with an Italian marble inlay floor.
Outdoor features include an infinity-edge pool with a clear acrylic bottom and a retractable glass roof by Libart International. The property offers services through the St. Regis brand, combining residential privacy with hotel-style amenities.
The Sarkis Team at Douglas Elliman Real Estate is managing the listing. The monthly homeowners association (HOA) fee is $21,870.83, and parking costs an additional $1,060. The building includes a 24-hour concierge service and has previously recorded sales over $20 million.
