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150 Seaport Blvd. GPHBoston, MA 02210

For Sale

$49,500,000

Smart Buyer Rebate $247,500

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.

Listed by George Sarkis

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Douglas Elliman Real Estate - The Sarkis Team

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781-603-8702

Listed by Manuel Sarkis

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Douglas Elliman Real Estate - The Sarkis Team

Listed by The Sarkis Team

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Douglas Elliman Real Estate - The Sarkis Team

Last updated September 28, 2025

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Source: MLSPin #73383587

Listing Facts

  • TypeCondo
  • NeighborhoodSeaport District
  • Bedrooms6
  • Bathrooms10
  • Days on Prevu192
  • HOA/Maint. Fees$22,930/month
  • Taxes$420,004/year
  • Size10,609 sqft
  • Price per sqft$4,666

Amenities

  • Dishwasher
  • Private Outdoor Space
  • Washer/Dryer
  • Pets Allowed
  • Air Conditioning
  • Elevator
  • Parking
  • Swimming Pool
  • Fitness Center

Location

Mortgage Calculator

Listing History

06/02/2025
Listed by Douglas Elliman Real Estate - The Sarkis Team
$49,500,000

Property Details for 150 Seaport Blvd. GPH

Association

Amenities

  • Association Amenities: Hot Water, Pool, Elevator(s), Fitness Center, Sauna/Steam, Clubroom, Parking, Clubhouse
  • Community Features: Public Transportation, Shopping, Pool, Park, Highway Access, Marina, Public School, T-Station
  • Pets Allowed: Yes w/ Restrictions

Fees

  • Association Fee: $22,930.00 Monthly
  • Association Fee Includes: Gas, Water, Sewer, Insurance, Security, Maintenance Structure, Trash, Reserve Funds

Exterior

Construction

  • Number Of Units Total: 114
  • Property Attached: Yes
  • Stories: 2
  • Stories Total: 2
  • Structure Type: High-Rise
  • Year Built: 2022
  • Year Built Details: Actual,Renovated Since
  • Building Name: St. Regis
  • Common Walls: No One Above
  • Construction Materials: Stone
  • Entry Level: 21
  • Exterior Features: Deck - Roof, Deck - Roof + Access Rights, Covered Patio/Deck, Hot Tub/Spa, Decorative Lighting, City View(s)

Features

  • Patio And Porch Features: Deck - Roof, Deck - Roof + Access Rights, Covered
  • Pool Features: Association, Indoor
  • View: City
  • Waterfront Features: Waterfront, Ocean, Harbor, Dock/Mooring, Deep Water Access, Marina, Public, Private, 1 To 2 Mile To Beach, Beach Ownership(Public)
  • Waterfront: Yes

Measurements

  • Building Area Total: 10,609
  • Building Area Units: Square Feet
  • Lot Size Units: Acres

Financial

Taxes

  • Parcel Number: 5233719
  • Tax Annual Amount: $420,004.00
  • Tax Assessed Value: $35,911,700.00
  • Tax Year: 2025

Interior

Features

  • Appliances: Range, Oven, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer, Wine Refrigerator
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Marble
  • Interior Features: Sauna/Steam/Hot Tub, Wet Bar, Wired For Sound, Elevator
  • Spa Features: Hot Tub/Spa
  • Spa: Yes

Measurements

  • Living Area: 10,609
  • Living Area Source: Measured

Rooms

  • Basement: N
  • Bathrooms Full: 8
  • Bathrooms Half: 2
  • Bathrooms Total Integer: 10
  • Bedrooms Total: 6
  • Rooms Total: 12

Other

Features

  • Accessibility Features: Accessible Entrance

Parking

Parking

  • Attached Garage: Yes
  • Covered Spaces: 4
  • Garage Spaces: 4
  • Garage: Yes
  • Parking Features: Attached
  • Parking Total: 4

Utilities

Equipment

  • Cooling: Central Air
  • Has Cooling: Yes
  • Heating: Forced Air, Fan Coil
  • Has Heating: Yes
  • Laundry Features: In Unit
  • Sewer: Public Sewer
  • Utilities: For Gas Range
  • Water Source: Public

Frequently Asked Questions

How many bedrooms and bathrooms does this condo have?

There are 6 bedrooms and 10 bathrooms in this condo at 150 Seaport Blvd. GPH.

Does this condo have parking?

Yes, there are 4 parking spaces available for 150 Seaport Blvd. GPH.

Are pets allowed at 150 Seaport Blvd.?

Yes, 150 Seaport Blvd. allows pets. Check the Property Details for any relevant restrictions.

What are the annual taxes for 150 Seaport Blvd. GPH?

Annual taxes for this condo are estimated at $420,004.

How does 150 Seaport Blvd. GPH compare to other condos in Seaport District?

This condo is listed 1427% above the average price for condos in Seaport District and has been on the market for 109 more days than the typical home in this area.

What building or home owners association is the condo part of?

This condo is in the St. Regis building.

What is the square footage on this condo?

According to the MLS, this listing is 10,609 sqft.

150 Seaport Blvd. GPH is a 6-bedroom, 10-bath condo for sale in Boston MA 02210. Available on Prevu for 192 days at $49,500,000. This residence features 10,609 square feet of living space, located in Seaport District. The median listing price for condos in this area is $2,392,000. Additional amenities include private outdoor space, dishwasher, pets allowed, elevator, air conditioning, fitness center, parking, swimming pool, and washer/dryer. Explore more condo listings in Boston.

The property listing data and information, or the Images, set forth herein were provided to MLS Property Information Network, Inc. from third party sources, including sellers, lessors, landlords and public records, and were compiled by MLS Property Information Network, Inc. The property listing data and information, and the Images, are for the personal, non commercial use of consumers having a good faith interest in purchasing, leasing or renting listed properties of the type displayed to them and may not be used for any purpose other than to identify prospective properties which such consumers may have a good faith interest in purchasing, leasing or renting. MLS Property Information Network, Inc. and its subscribers disclaim any and all representations and warranties as to the accuracy of the property listing data and information, or as to the accuracy of any of the Images, set forth herein.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.