$610,000
Active300 Commercial Street, Unit 512
Boston, MA 02109
Listed by Boston Real Estate Group at Compass
Listing courtesy of Boston Real Estate Group, Compass
Location
Open in MapsAbout This Property
Welcome home to Boston's waterfront at The Mariner, where the comforts of a full-service elevator building meet harbor living. This inviting one-bedroom residence features an open-concept main living area with high ceilings that flows out to a private, covered balcony, the perfect spot for morning coffee or hosting with a view of the city skyline. Other defining features include central air conditioning, in-unit laundry, and recessed lighting. Residents of The Mariner enjoy 24-hour concierge service, plus access to an oversized, furnished common roof deck with sweeping panoramic views of Boston Harbor. Originally built in 1911 and converted to condos in 1987, the building itself carries the character of Boston's storied waterfront. Recent noteworthy capital improvements within the association include a new cooling tower and boiler, roof, exterior fa'ade coating, and an updated lobby and hallways. Improvements within the unit include a new HVAC system (2023), refrigerator (2023), and dishwasher (2023), washer and dryer (2022). Ideally located just steps from the Historic North End harborwalk, Hanover Street restaurants, the Financial District, and TD Garden. Pets are permitted with trustee approval.
Property Details
Key Facts
Property Type
Condo
Style
Gambrel/Dutch
Living Area
577 sqft
Rooms
3
Bedrooms
1
Bathrooms
1 (1 full)
Construction
Exterior
B, Cedar
Basement
No Basement
Flooring
T
Systems & Utilities
Heating
Wood Stove
Cooling
Ductless Mini-Split
Water
City/Town Water
Sewer
City/Town Sewer
Financial
Taxes (2026)
$6,620/yr
HOA Fee
$680/mo
Price / Sqft
$1,057/sqft
MLS #
73578792
Days on Market
0
Sarina Steinmetz
617.610.0207Price History
Listed
Sep 17, 2026
$610,000
No price changes recorded.
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Listing information provided by MLS Property Information Network, Inc. (MLS PIN). Data last updated September 17, 2026. Information deemed reliable but not guaranteed. © 2026 Steinmetz Real Estate Professionals at William Raveis Real Estate. Equal Housing Opportunity.