The Mariner

300 Commercial St, Boston, MA 02109

1 pending 5 recently sold

About this page — BMN Boston Real Estate is an independent real estate brokerage. We compile public MLS listing and sales data for The Mariner. We are not the management company, leasing office, or HOA for this building. For management, rental, or maintenance inquiries, please contact The Mariner directly.

About The Mariner

The Mariner is a residential building built in 1900, located at 300 Commercial St in Boston, MA 02109. The building features studio to 3-bedroom residences ranging from 539 to 1,654 square feet , with prices from $675K to $2.5M . 5 units have sold in the last two years at an average price of $1.5M .

Monthly HOA fees at The Mariner range from $631 to $2,438 per month and commonly include Water, Sewer, Insurance .

Year Built 1900
Units Tracked 6
Avg Days on Market 50
Monthly HOA $631–$2,438

Last updated: 2026-05-22

Unit Types at The Mariner

Unit Type Beds Baths Sq Ft Price Range Available
Studio Studio 1 539 - 553 sqft $470K - $610K None listed
1 Bedroom 1 1 539 - 912 sqft $440K - $1.4M None listed
2 Bedroom 2 1 778 - 1,029 sqft $690K - $1.2M None listed
2 Bedroom 2 2 1,003 - 1,654 sqft $975K - $2.5M None listed
3 Bedroom 3 3 1,634 sqft $2.6M None listed

Recently Sold at The Mariner

Average sold price: $1.5M Average days on market: 50 5 sales in the last 2 years
Address Beds/Baths Sq Ft List Price Sold Price Change Sold Date
300 Commercial Street # 603, Boston MA 02109 2bd / 2ba 1,003 $1.7M $1.7M +0% May 16, 2025
300 Commercial St # 303, Boston MA 02109 2bd / 2ba 1,088 $1.6M $1.4M -12.2% Apr 10, 2025
300 Commercial # 801, Boston MA 02109 1bd / 1ba 600 $699K $675K -3.4% Dec 18, 2024
300 Commercial St # 904, Boston MA 02109 2bd / 2ba 1,546 $2.5M $2.5M -1.8% Oct 1, 2024
300 Commercial Street # 304, Boston MA 02109 2bd / 2ba 1,145 $1.6M $1.5M -6.3% Aug 5, 2024

Location

300 Commercial St, Boston, MA 02109

Frequently Asked Questions About The Mariner

Is BMN Boston Real Estate the management company or leasing office for The Mariner?

No. BMN Boston 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 $2.5M 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 3 bedroom configurations.

How much do condos sell for at The Mariner?

5 units have sold at The Mariner in the last two years at an average price of $1.5M. The average time on market was 50 days.

When was The Mariner built?

The Mariner was built in 1900 and is located at 300 Commercial St in Boston, MA 02109.

What are the HOA fees at The Mariner?

Monthly HOA fees at The Mariner $631 to $2,438 per month. Based on 6 listings with HOA data on file. Fees commonly include Water, Sewer, Insurance. Actual fees vary by unit; confirm with the listing agent.

Looking to Buy or Tour at The Mariner?

BMN Boston 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.

Trying to reach the building's management or leasing office? Search "The Mariner Boston management" — we are not affiliated with the building's management.