$1,490,000 ($1,246.86 per sqft)

Est. Mortgage $7,243/mo *

Quick Pre-Approval

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Open House Schedule

Refreshments will be served.

05/28/2026
5:30 PM to 7:00 PM
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05/30/2026
1:00 PM to 2:30 PM
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99 Sumner St, #321, Boston, (East Boston), MA, 02128

99 Sumner St, #321, Boston, (East Boston), MA, 02128
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6 rooms

2 beds

2 Full baths

2021

1,195 sqft

Residence 321 at The Mark, offers sophisticated waterfront living with panoramic harbor and skyline views. This spacious 2 bedroom + den home features oversized windows, a private balcony with stunning sunset views, sleek contemporary design complemented by custom motorized window treatments throughout. The open-concept layout is ideal for modern living and entertaining. Rarely available, the residence also includes TWO garage parking spaces and TWO private storage units. Residents enjoy luxury amenities including 24/7 concierge, fitness center with flex studio, harbor view terrace with grills and fire pits, resident lounge, golf simulator, conference room, and pet spa. Located in East Boston’s vibrant waterfront neighborhood, The Mark is just a 2-minute walk to Maverick Station on the MBTA Blue Line, steps from water taxis and the MBTA Ferry, and minutes from Logan Airport. Enjoy a waterfront lifestyle with refined living, exceptional convenience, and picture-perfect views.

Status:

Active

Town:

Boston

Type:

Condo

Laundry Remarks:

In Unit

Units:

107

Zoning:

CD

Complex:

The Mark

Garage:

2-car Attached

Heating:

Central, Forced Air, Individual, Unit Control

Cooling:

Central Air, Individual, Unit Control

Basement:

N

Levels:

1

Parking:

2-car, Under, Garage Door Opener

Common Charge:

$1,567 Monthly

Est. Taxes:

$6,420

Assessment

$1,157,400

HOA Fee

$1,567

View Description:

City

Amenities:

Public Transportation, Shopping, Pool, Tennis Court(s)

Waterfront:

Yes

Pet Policy:

Yes

Appliances:

Range, Dishwasher, Disposal, Microwave, Refrigerator, Freezer, Washer, Dryer

MLS #:

73524677

Community Info

School Info

Walk Score

Mass Transit

Yelp

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Listing courtesy of Sherean Azarmi, Urban Circle Realty