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Southline_1629 - 0A045410-35EE-4B69-BE771BD9CBFEC8DB
CWDG_2023_Southline_001 - D26E8D40-CA3A-47E0-958AB00D4D306C38
CWDG_2023_Southline_001 - D26E8D40-CA3A-47E0-958AB00D4D306C38

  • Storied history

    Southline has a long legacy of groundbreaking work. Home to the Boston Globe headquarters for over 50 years, it’s a place where history continues to be made, over and over again.

  • Vibrant neighborhood

    Surrounded by destinations like the Washington Village and the Savin Hill, as well as hip, new restaurants, and developments, Dorchester is quickly emerging as the place to be in Boston.

  • Wide open spaces

    Take in the view through floor-to-ceiling windows and make your floorplan your own. Natural light floods each unique space, illuminating the modern industrial design and inspiring fresh ideas.

  • Connected commute

    Southline is the only urban campus located directly on the Red Line and also on I-93, which makes it easy to reach by car, train, or on foot no matter which direction you’re coming from.

  • Spec Suite

  • Courtyard Lounge

  • Exterior View

Total Square Footage:
750,000 SF
Building Height:
4-stories
Ceiling Heights:
Clear heights up to 23’ 5”
Atrium Lobby:
4-stories
Parking:
851 parking spaces
filter_list
  • Two Loading Docks, 2 Freights, with extension of 3rd
  • (3) Standby Generators for (3) separate dedicated areas of the building
  • 1 for 1 AHU to EAHU for air circulation
  • 100% OA to support 60/40 lab-to-office ratio
  • Chemical Storage available off loading dock
  • 1st floorSuite S10145,783 sq ft
    Available Now
  • 1st floorSuite N102A5,400 sq ft
    Available Now
  • 1st floorSuite S10280,909 sq ft
    Available Now
Beacon Ready Labs Logo

Cutting-edge labs, ready for your next breakthrough

Breakthroughs can’t wait for lengthy buildouts and leasing negotiations. Southline Boston's Beacon Ready Labs are designed by industry experts in partnership with our in-house team to get you to the bench faster, so you can focus on new discoveries.

Learn more about Beacon Ready

Ready when you areContact us

  • Fully furnished & designed

    Each Beacon Ready space comes turnkey with high quality finishes and fixtures, down to the books on the bookshelves.

  • Pay with credit card

  • Vibrant Communities

    Work alongside a community of ambitious, innovative teams like yours.

  • Fast Wifi

  • Shared Amenities

    Discover comfortable common areas, spacious conference rooms, fitness centers, cafes, lounges, and more.

  • Shorter, flexible lease terms

    Beacon Ready leases start fast and never lock you in for the long term.

Modern Amenities

Soaring ceilings and a lush collection of plant life make this stunning space the perfect place to reflect and get inspired.

Shift Program Logo

Elevate your work experience

An office is a community as much as it is a space. Shift, Beacon’s tenant amenity activation program, helps unlock the full potential of the office. From fitness and wellness classes to networking, social events, and career development opportunities, Shift members belong to a thriving office community that enhances the work day.

What to Expect

  • null
    All-levels Yoga Flow

    Instructor led yoga practice

    Wellness
  • null
    Craft Beer Tasting

    Guided sampling of local and specialty brews

    CulturalCommunity
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    Marketer’s Meetup

    Networking and insights for marketing professionals

    CareerCommunity

  • Food Hall

  • Roof Deck

  • Lab Space

Thoughtfully designed for a smarter, more sustainable future.

Beacon is committed to creating innovative workplaces that are better for people and the planet. We’ve earned industry recognition for our operations at Southline and continue to raise the bar for the environment we create inside and outside our building.

  • Gold

    LEED Certified

    Beacon strives to operate all of its properties in a resource-efficient manner and seeks LEED® certification at each property. To date, Beacon has obtained LEED® certification for over 60 million square feet of property.

  • Energy Star

    Beacon’s commitment to sustainability has been recognized by the EPA, who has awarded the ENERGY STAR® Partner of the Year award. Recognized for 11 consecutive years with an average ENERGY STAR score of 85 - within the top 25% of all office buildings

  • Fitwel Certified

    Fitwel is a nationwide building certification program to support healthier workplace environments and improve occupant health and well-being.

  • Silver

    WiredScore Certified

    WiredScore champions the modern-day necessity for cutting-edge technology in real estate by providing the definitive standards for the digital connectivity of commercial buildings.

  • 9 Foundations Healthy Buildings Optimization Program

    Driving scientific research into practice with evidence-based approaches to healthy buildings. Learn more about the 9F Shield.

Our Tenants

Southline Boston Neighborhood Map

  • Shopping Center

    South Bay Center

  • University

    University of Massachusetts

  • Train Station

    JFK/UMASS Station

What's Nearby

See for yourself
  • Shopping Center

    South Bay Center

  • University

    University of Massachusetts

  • Train Station

    JFK/UMASS Station

  • Café

    Tatte Bakery

  • Park

    Pattens Cove

  • Library

    John F. Kennedy Presidential Library and Museum

Press

15 amenity-rich office projects for 2025

The promise of biotech jobs is coming to Boston’s neighborhoods

Get In Touch

Location

135 William T Morrissey Blvd,
Boston, MA 02125

Leasing

Property Management

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