Port 45 - New Construction South Boston Condos

1 Beds ⋅ 1 Baths ⋅ 73553154 MLS ⋅ ['Port45'] BLDG.

Need room for guests without paying for a 2 bedroom? Refined city living awaits in this move-in ready luxury residence at PORT 45! This PRISTINE 1 bed home lives LARGER than expected thanks to a versatile bonus area featuring a custom MURPHY BED-the perfect space for guests, home office or additional living quarters. Designer kitchen showcases Bosch stainless appliances, quartz counters, waterfall island & custom open shelving, flowing into the bright living area & private balcony. Spacious primary bedroom offers a large walk-in closet while FRESH interior paint adds to the home's crisp, move-in-ready feel. 24 hr concierge, gym, club room, roof terrace, pet spa, dog run, bike storage & EV charging. 1 deeded parking space. Ideally positioned between South Boston, Seaport & South End you'll be moments from Boston's best restaurants, shopping & waterfront attractions. A RARE combination of space, versatility & full-service amenities makes this barely lived in condo an exceptional opportunity in the heart of the city with immediate occupancy available!

45 W 3rd St Unit 413, Boston

Listing courtesy of Listing Agent: Kevin Barrett from Listing Office: Knowledge Brokers Realty.

$939,000

1 Beds ⋅ 1 Baths ⋅ 73537144 MLS ⋅ ['Port 45'] BLDG.

Welcome to your new home at the coveted Port 45! This exquisite penthouse condo offers one bedroom plus a den and a large open floor plan. The kitchen with center island boasts stone counters, floating shelves, gas cooking and tons of storage. Open to the kitchen is the over sized living room and a private patio. Floor to ceiling windows throughout the home flood the unit with light. The bedroom is king sized with a large custom built walk in closet. The den is perfect for an office! Gorgeous hardwood floors, central a/c, laundry in unit and one garage parking space complete this fabulous home. Port 45 is a full service building with concierge, gym, club room, pet spa, dog run, and outdoor patio with skyline views. Walk to the T and some of the best restaurants Southie has to offer! Unit has tenants until 8/31/26.

45 West Third Unit 514, Boston

Listing courtesy of Listing Agent: Elizabeth Guenard from Listing Office: Compass.

$769,000

1 Beds ⋅ 1 Baths ⋅ 73536482 MLS ⋅ ['Port 45 Condominium'] BLDG.

1Bed w/Garage Parking at sought after PORT 45. Beautiful, well-maintained, & overly sunny. This 3rd floor, front facing unit offers an efficiently designed open concept floor plan. A small entryway offers space for shoes and jackets. There is a large kitchen with island seating for up to four stools, Bosch stainless steel appliance package, gas range, quartz counters, & loads of counter and cabinet space. The kitchen flows seamlessly into the large living room that features floor to ceiling windows. Off the living room is the bedroom. The bedroom can comfortably fit a queen sized bed and also features floor-to-ceiling windows and a walk-in closet. The bathroom is quite large, has great storage space including linen storage, a large vanity, and glass shower stall highlighted with Calcutta inspired tile. There is central AC, Laundry in Unit, Butterfly home technology, tankless hot water, high ceilings, and hardwood floors. Pet-Friendly + lots of Building Amenities!

45 W 3rd St Unit 305, Boston

Listing courtesy of Listing Agent: Matthew Petty from Listing Office: FRAME Residential.

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Port 45 – New Construction South Boston Condos

Port 45 South Boston is a modern, LEED Silver-certified condo development located at 45 W 3rd St. These sleek, energy-efficient residences offer open layouts, floor-to-ceiling windows, smart home features, and private outdoor spaces. The building includes garage parking, concierge services, a fitness center, and a rooftop terrace—blending city living with premium comfort.

Ideally positioned between the South End, Seaport, and Broadway Red Line T, Port 45 Condos place you just steps from top dining, entertainment, and commuter access. With high-end finishes and strong resale value, Port 45 is one of South Boston’s most desirable new construction addresses.

At MA New Listings | Coldwell Banker, we help clients navigate Boston’s most sought-after developments. Whether you're interested in the vibrant lifestyle offered at Port 45 South Boston or want expert insight into the latest listings at 45 W 3rd St, our team is ready to assist. Contact us today to explore available Port 45 condos and schedule a private showing.

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Call Jason Niles, REALTOR® – Coldwell Banker Realty, or Abby Niles, REALTOR® – Coldwell Banker Realty, to start your real estate journey today!