St. Regis
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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.
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Basic Information
- Bedrooms6
- Mls StatusActive
- Bathroom10
- Parcel Number 5233770
- Unit NumberGPH
Tax Information
- Tax Assessed Value $35,911,700
- Tax Year 2025
- Taxes$420,004
Parking
- Parking Spaces4
- Covered Spaces 4
- Garage YN Yes
- Parking Features Attached
Rooms
- Bathrooms Total Decimal 9
- Full Bath8
- Half Baths2
Basic Information
- List Price$44,500,000
- MLS Number73383587
- Modification Date02/24/2026
- Property SubTypeCondominium
Location
- NeighborhoodSeaport District
- SubdivisionSeaport District
- Address150 Seaport Boulevard
- Building Number150
- CountySuffolk
- StateMA
- StreetSeaport Boulevard
- TownBoston
- Zip02210
Building
- Attached Garage YN Yes
- BasementN
- Building Area Units Square Feet
- Common Walls No One Above
- Construction Materials Stone
- Entry Level 21
- FireplaceYes
- Fireplaces Total 1
- Garage Spaces4
- Patio And Porch Features Deck - Roof, Deck - Roof + Access Rights, Covered
- Property NameSt. Regis
- Rooms12
- Stories2
- Utilities For Gas Range
- Year Built2022
- Year Built Details Actual, Renovated Since
- Year Built Source Owner
Interior
- Flooring Marble
- Interior Features Sauna/Steam/Hot Tub, Wet Bar, Wired for Sound, Elevator
Exterior
- Exterior Features
- City View(s)
- Covered Patio/Deck
- Deck - Roof
- Deck - Roof + Access Rights
- Decorative Lighting
- Hot Tub/Spa
Utilities
- Cooling Central Air
- Cooling YN Yes
- Heat SystemYes
- Heating Forced Air, Fan Coil
- Sewer Public Sewer
- Water Source Public
Property Information
- Square Feet10,609
- Building Area Source Measured
- Living Area 10,609
- Lot Size Units Acres
- Property Attached YN Yes
- Spa YN Yes
- Structure Type High-Rise
- View YN Yes
Amenities
- Accessibility Features Accessible Entrance
- Amenities
- Highway Access
- Marina
- Park
- Pool
- Public School
- Public Transportation
- Shopping
- T-Station
- Appliances IncludedRange, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Wine Refrigerator
- Association Amenities
- Clubhouse
- Clubroom
- Elevator(s)
- Fitness Center
- Hot Water
- Parking
- Pool
- Sauna/Steam
- Other AmenitiesFireplace, Waterfront, Water View
- PetsYes w/ Restrictions
- Pool Features Association, Indoor
- Security Features Intercom, Doorman, Concierge, Security System
Water Body
- Miles to Beach2
- WaterfrontYes
- Waterfront Features Waterfront, Ocean, Harbor, Dock/Mooring, Deep Water Access, Marina, Public, Private,1 to 2 Mile To Beach, Beach Ownership(Public)
Legal
- Zoning102
Other
- Association Fee $22,930
- Association Fee Frequency Monthly
- Association Fee Includes
- Gas
- Insurance
- Maintenance Structure
- Reserve Funds
- Security
- Sewer
- Trash
- Water
- Date Listed06/02/2025
- Farm Land Area Units Square Feet
- Spa Features Hot Tub/Spa
- View Count48
Map Location
Listed by The Sarkis Team of Douglas Elliman Real Estate - The Sarkis Team
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