99 Sumner 421, Boston, MA 02128

• 2 beds |
• 2 baths |
• 1,195 sqft

Property Description

Experience exceptional waterfront living at The Mark. This residence features two bedrooms, a bonus room/versatile den, two full baths, and a private balcony overlooking the Harbor. The open-concept interior is anchored by a chef’s kitchen boasting Bosch appliances and quartz countertops, all flowing seamlessly across warm hardwood floors. Generous bedrooms and closet space, while the primary bedroom features an ensuite bathroom. This home comes complete with in-unit laundry, two garage parking spaces and a private storage unit. Life at The Mark offers unparalleled full-service luxury. Residents enjoy a 24-hour concierge, fitness center, fireplace lounge, billiards room, library, & a pet spa. Step outside to the private balcony or explore the vibrant local scene. With the ferry, Blue Line, and Logan Airport just moments away, downtown Boston & beyond are within easy reach. This is a rare opportunity to enjoy a dynamic city lifestyle in a in a premier waterfront setting.

Listing Status:

Active

Date Added:

June 18, 2026

Data Last Updated:

June 19, 2026 at 4:06PM

Listing Office:

Compass : 617-206-3333

Listing Agent:

Caroline Morson : 617-968-4445

MLS ID:

73538123

Interior

• Appliances: RangeDishwasherDisposalMicrowaveRefrigeratorFreezerWasherDryer
• Laundry: In Unit
• Basement: N
• Flooring: Wood
• A/C: Central Air
• Heating: Forced Air
• Fireplace: Fireplaces: 0

Exterior

• General: Deck
• Parking: UnderGarage Door OpenerParking spaces: 2

Construction

• Windows: Insulated Windows
• General: Brick1

Location

• HOA Amenities: Hot WaterRecreation FacilitiesFitness CenterStorageGarden AreaHeatWaterSewerInsuranceSecurityMaintenance StructureMaintenance GroundsSnow RemovalTrashReserve Funds1428.0Monthly
• Originating MLS: MLS Property Information Network
• County: Suffolk

Lot

• Zoning: 102 Res01054031285200268

Utilities

• Utilities: for Gas Range
• Water: Public
• Sewer: Public Sewer

Financial

• Source: MLS Property Information Network