The Mariner

300 Commercial St, Boston, MA

4 recently sold

Independent brokerage page. Steve Novak Real Estate compiles public MLS listing and sales data for The Mariner; it is not the building's management company, leasing office, or HOA. Contact The Mariner directly for management, rental, or maintenance questions.

For residents and building inquiries

Building management contact

The Mariner, Boston

Current manager not yet verified

Check your association statement, resident portal or a current trustee for the right contact. We’ll show a management contact here when we can verify the public source and building match.

BMN is an independent real estate brokerage, not this building’s management office. Maintenance, building access and security-record requests belong with the current manager or association.

About The Mariner

The Mariner is a located at 300 Commercial St in Boston, MA . The building features studio to 2-bedroom residences ranging from 539 to 1,654 square feet , with prices from $675K to $1.7M . 4 units have sold in the last two years at an average price of $1.3M .

Monthly HOA fees at The Mariner range from $631 to $1,337 per month and commonly include Water, Sewer, Insurance . Parking is typically attached, under, averaging 1.0 space per unit.

Figures summarize MLS listing records. Repeat listings can refer to the same residence; records tracked are not the building's total number of units.

Listing records tracked 4
Avg Days on Market 45
Monthly HOA $631–$1,337
Avg Parking Spaces 1.0

Last updated: 2026-11-15

Unit Types at The Mariner

Unit Type Beds Baths Sq Ft Price Range Available
Studio Studio 1 539 - 642 sqft $315K - $395K None listed
1 Bedroom 1 1 599 - 770 sqft $323K - $675K None listed
2 Bedroom 2 1 1,080 sqft $780K None listed
2 Bedroom 2 2 970 - 1,654 sqft $650K - $2.5M None listed

Recently Sold at The Mariner

Average sold price: $1.3M Average days on market: 45 4 sales in the last 2 years
Address Beds/Baths Sq Ft List Price Sold Price Change Sold Date
300 Commercial St # 507, Boston MA 02109 2bd / 2ba 1,232 $1.4M $1.4M +0.3% May 14, 2026
300 Commercial Street # 603, Boston MA 02109 2bd / 2ba 1,003 $1.7M $1.7M +0% May 15, 2025
300 Commercial St # 303, Boston MA 02109 2bd / 2ba 1,088 $1.6M $1.4M -12.2% Apr 9, 2025
300 Commercial # 801, Boston MA 02109 1bd / 1ba 600 $699K $675K -3.4% Dec 17, 2024

Frequently Asked Questions About The Mariner

Who is the management company for The Mariner at 300 Commercial St, Boston?

We have not yet verified a current management contact for The Mariner at 300 Commercial St, Boston. Check your association statement, resident portal or a current trustee. BMN is not this building’s management office and cannot handle maintenance, access or security-record requests.

How can I track my condo’s value at The Mariner?

Use Track my condo’s value to create a free account or sign in to My Home. Add your exact unit and complete the property review before accessing your private home dashboard. Value estimates, comparable sales and nearby activity depend on available data. Estimates are not appraisals.

Can our association request a management quote from BMN?

Yes. Use Request a BMN management quote to send the building details and your needs directly to BMN Property Management. No account is required to request a proposal. BMN focuses on small Greater Boston associations; service fit, financial administration and any separately quoted physical work are reviewed before an agreement.

Is Steve Novak Real Estate the management company or leasing office for The Mariner?

No. Steve Novak Real Estate is an independent real estate brokerage. We compile public MLS listing and recent-sales data for The Mariner to help buyers and sellers make informed decisions. We do not manage the building, lease units on behalf of the owner, or handle HOA matters. For management, leasing, or maintenance inquiries, please contact The Mariner directly.

Are there any units for sale at The Mariner?

There are currently no units listed for sale at The Mariner in Boston, MA. Check back regularly as new listings are added daily.

What is the price range at The Mariner?

Prices at The Mariner range from $675K to $1.7M based on recent listings and sales. Prices vary by unit size, floor, and finishes.

What are the unit sizes at The Mariner?

Units at The Mariner range from 539 to 1,654 square feet, with 0 to 2 bedroom configurations.

How much do condos sell for at The Mariner?

4 units have sold at The Mariner in the last two years at an average price of $1.3M. The average time on market was 45 days.

What are the HOA fees at The Mariner?

Monthly HOA fees at The Mariner $631 to $1,337 per month. Based on 4 listings with HOA data on file. Fees commonly include Water, Sewer, Insurance. Actual fees vary by unit; confirm with the listing agent.

Is parking available at The Mariner?

Parking at The Mariner is typically described as attached, under. On average, listings include 1.0 parking space. Specific arrangements (deeded, assigned, garage vs. surface) vary by unit.

Looking to Buy or Tour at The Mariner?

Steve Novak Real Estate is a real estate brokerage that tracks every MLS listing at The Mariner. Schedule a tour, ask about a specific unit, or get instant alerts when new listings hit the market — download the app or browse all listings below.

Need the current manager? See building management contact information. Our real estate team handles buying and selling inquiries.