Welcome to unparalleled waterfront living at 99 Sumner St, Unit 321 in East Boston's premier building, The Mark. This sun-drenched 2-bed, 2-bath plus den home offers stunning Boston Harbor and skyline views from all principal rooms, your private balcony and oversized windows. Enjoy an open-concept layout, elegant high-end finishes, custom automatic blinds, TWO GARAGE PARKING SPACES and TWO storage units. Full-service amenities include a 24-hour concierge, fitness center, terrace lounge with fire pits, golf simulator, conference room, pet spa, and more. With the MBTA Blue Line and ferry steps away, luxury and convenience await! Pets possible. NO BROKER FEE. Available 9/1 or 9/15. $6500/month.
Off market
$1,510,200
99 Sumner St #321, Boston, MA 02128
2beds
1,195sqft
Apartment
Built in ----
-- sqft lot
$1,510,200 Zestimate®
$1,264/sqft
$4,845 Estimated rent
Owner options
What's special
Zillow last checked: 10 hours ago
Listing updated: August 15, 2025 at 05:25am
Source: Zillow Rentals
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 2
- Bathrooms: 2
- Full bathrooms: 2
Heating
- Heat Pump
Cooling
- Central Air
Appliances
- Included: Dryer, Washer
- Laundry: In Unit
Features
- Flooring: Hardwood
Interior area
- Total interior livable area: 1,195 sqft
Property
Parking
- Parking features: Attached
- Has attached garage: Yes
- Details: Contact manager
Accessibility
- Accessibility features: Disabled access
Features
- Exterior features: Bicycle storage
Details
- Parcel number: CBOSW01P05403S086
Construction
Type & style
- Home type: Apartment
- Property subtype: Apartment
Community & neighborhood
Location
- Region: Boston
HOA & financial
Other fees
- Deposit fee: $6,500
- Application fee: $25
Other
Other facts
- Available date: 09/01/2025
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Estimated market value
$1,510,200