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150 Seaport Boulevard, Unit GPH, Seaport DistrictBoston, MA 02210Price: $44,500,000

  • Price: $44,500,000
  • Est. Mortgage of $/month
  • 353 Days on Market
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Federal 30-year interest rate: 6.36% last updated on May 14, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $44,500,000List Price
  • 6Bedrooms
  • 10Bathrooms
  • 10,609Square Feet

St. Regis

150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210
150 Seaport Boulevard Boston MA 02210

Listing Tools

Listed by The Sarkis Team of Douglas Elliman Real Estate - The Sarkis Team
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.

Property Details of 150 Seaport Boulevard, Unit GPH, Seaport District

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