99 Sumner St 321, Boston, MA 02128

• 3 beds |
• 2 baths |
• 1,195 sqft

Property Description

Residence 321 at The Mark, offers sophisticated waterfront living with panoramic harbor and skyline views. This spacious 2 bedroom + den home lives like a three bedroom. The 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.

Listing Status:

Active

Date Added:

August 22, 2026

Data Last Updated:

August 24, 2026 at 1:07PM

Listing Office:

Urban Circle Realty : 617-903-0371

Listing Agent:

Sherean Azarmi : 617-319-0076

MLS ID:

73567016

Interior

• General: ElevatorSingle Living Level
• Appliances: RangeDishwasherDisposalMicrowaveRefrigeratorFreezerWasherDryer
• Laundry: In Unit
• A/C:
• Heating: Forced AirIndividualUnit Control
• Fireplace: Fireplaces: 0
• Disability Feature: Accessible Entrance

Exterior

• General: PatioBalconyProfessional LandscapingSprinkler System
• Parking: Parking spaces: 2

Location

• Originating MLS: MLS Property Information Network
• County: Suffolk

Lot

• Zoning: 5200338

Financial

• Source: MLS Property Information Network