150 Seaport Blvd., #GPH
Boston, MA 02210
$49,500,000 - Seaport District
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.
| Listing ID: | 73383587 |
|---|---|
| List Price: | $49,500,000 |
| Property Type: | Residential |
| Property Sub Type: | Condominium |
| Status: | Active |
| Lender Owned: | No |
| Bedrooms Total: | 6 |
| Bathrooms Full: | 8 |
| Bathrooms Half: | 2 |
| Living Area: | 10,609 |
| Association Fee: | $22,930 |
| Tax Annual Amount: | $420,004 |
| Waterfront?: | Yes |
| City: | Boston |
| MLS Area Major: | Seaport District |
| County Or Parish: | Suffolk |
| Postal Code: | 02210 |
| Year Built: | 2022 |
| Number Of Units Total: | 114 |
| Appliances: | Range, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Wine Refrigerator |
| Cooling: | Central Air |
| Flooring: | Marble |
| Heating: | Forced Air, Fan Coil |
| Parking Features: | Attached |
| Pool Features: | Association, Indoor |
| Status: | Active |
| State Or Province: | MA |
| Water Source: | Public |
| Accessibility Features: | Accessible Entrance |
| Association Fee Frequency: | Monthly |
| Spa Features: | Hot Tub/Spa |
| Laundry Features: | In Unit |
| Construction Materials: | Stone |
| Listing Contract Date: | 2025-06-02 |
| Cooling?: | Yes |
| Fireplace?: | Yes |
| Garage?: | Yes |
| Heating?: | Yes |
| Fireplaces Total: | 1 |
| Rooms Total: | 12 |
| Association Fee Includes: | Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Trash, Reserve Funds |
| Bathrooms Total Integer: | 10 |
| Attached Garage?: | Yes |
| Basement: | false |
| Basement: | N |
| Building Area Source: | Measured |
| Building Area Total: | 10,609 |
| Common Walls: | No One Above |
| Community Features: | Public Transportation, Shopping, Pool, Park, Highway Access, Marina, Public School, T-Station |
| Exterior Features: | Deck - Roof, Deck - Roof + Access Rights, Covered Patio/Deck, Hot Tub/Spa, Decorative Lighting, City View(s) |
| Interior Features: | Sauna/Steam/Hot Tub, Wet Bar, Wired for Sound, Elevator |
| Living Area Units: | Square Feet |
| Lot Size Units: | Acres |
| Parcel Number: | 5233719 |
| Patio And Porch Features: | Deck - Roof, Deck - Roof + Access Rights, Covered |
| Property Attached?: | Yes |
| Sewer: | Public Sewer |
| Spa?: | Yes |
| Structure Type: | High-Rise |
| Utilities: | for Gas Range |
| Waterfront Features: | Waterfront, Ocean, Harbor, Dock/Mooring, Deep Water Access, Marina, Public, Private, 1 to 2 Mile To Beach, Beach Ownership(Public) |
| Zoning: | 0102 |
| Covered Spaces: | 4 |
| Garage Spaces: | 4 |
| Stories Total: | 2 |
| View: | City |
| Year Built Source: | Owner |
| Building Name: | St. Regis |
| Entry Level: | 21 |
| Farm Land Area Units: | Square Feet |
| Complex Complete: | Yes |
| Disclosure: | No |
| Dpr Flag: | No |
| Lead Paint: | Unknown |
| Listing Alert: | No |
| List Price Per Sqft: | $4,665.85 |
| Management: | Professional - On Site |
| Page: | 265 |
| Price Per Sqft: | $4,665.85 |
| Square Feet Disclosures: | Floor 1 - 7, 028SF Floor 2 - 2, 497SF Terrace - 763SF Balconies - 95SF Open to below - 1, 084SF |
| Square Feet Incl Base: | No |
| Unit Building: | GPH |
| Year Round: | Yes |
| Original List Price: | $49,500,000 |
| Parking Total: | 4 |
| Pets Allowed: | Yes w/ Restrictions |
| Room Master Bathroom Features: | Yes |
| Security Features: | Intercom, Doorman, Concierge, Security System |
| Tax Assessed Value: | $35,911,700 |
| Tax Year: | 2025 |
| View?: | Yes |
| Year Built Details: | Actual, Renovated Since |
| Waterview Features: | Dock/Mooring, Ocean |
| Waterview Flag: | Yes |
| Outdoor Space Available: | Yes - Private |
| Above Grade Finished Area: | 10,609 |
| Living Area Source: | Measured |
| Open Parking Spaces: | 0 |
Listing Courtesy of: Douglas Elliman Real Estate - The Sarkis Team
Listing Agent: The Sarkis Team
617-875-4950
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Property Last Updated: September 28, 2025 03:08 AM - ET
