Brace yourself, Southie. A Vegas-Style Sphere is in the works for the Seaport.

According to sources familiar with the project, developers are proposing a massive, Las Vegas-style Sphere entertainment venue along the South Boston waterfront, with a potential site near the Raymond L. Flynn Marine Park. If approved, the structure would rise over 300 feet tall and feature a fully programmable LED exterior, capable of displaying everything from immersive light shows.

Inside, the venue is expected to seat around 18,000 and host virtual concerts, sporting event watch parties, and “fully immersive -themed experiences”—think virtual walks through history and immersive movie experiences. Early plans also include an outdoor beer garden with a food vendor as well as VIP suites.

Construction could begin as early as 2027, pending city approvals and community feedback. While some are already raising concerns about traffic and scale, others are excited about what would be one of the most distinctive entertainment venues in the country, right in our neighborhood. 

PS – April Fools. 😘

11 Comments

  1. Susan Gailunas April 1, 2026 at 2:12 pm - Reply

    You got me!😖

  2. George M April 1, 2026 at 8:57 pm - Reply

    And I was looking forward to seeing The Wizard of Oz

    • FormerDem April 2, 2026 at 2:55 pm - Reply

      instead of the Wicked Witch in the crystal ball, we will all be lectured by a giant Liz Warren pointing her crooked finger.

  3. Sally sue April 2, 2026 at 11:29 am - Reply

    Thank God this was a joke!! I started having a complete panic attack!! We southie folks reallllly do NOT want anymore construction for monstrosities. Lmao 🤣🤣 you had me fooled!! That was a good one!!

  4. Regina Linehan April 2, 2026 at 2:43 pm - Reply

    OMG, best April Fools joke ever!. I was horrified, couldn’t wait to tell my sons. I was looking out the window trying to picture a building 10 times as high as my house. Now I can’t stop laughing.

  5. Cathie April 2, 2026 at 2:45 pm - Reply

    Omg. I was just at the one in Vegas and was kind of excited…. But you got me🤦🏽‍♀️

  6. N.Eaderthal April 2, 2026 at 2:50 pm - Reply

    but it is true that Fort Independence is going to be converted into permanent supportive housing for migrants in recovery, because we all have to do our part in caring for our neighbors and solving the housing shortage crisis. Once people get used to that, surplus Katrina trailers will be placed on the Greenie from Kellys Landing to L Street.

  7. Celeste Wilson April 2, 2026 at 3:17 pm - Reply

    Ha!!! I fell for it too!

  8. Joe L April 2, 2026 at 3:52 pm - Reply

    Nice! I love it.

  9. LJ April 2, 2026 at 4:53 pm - Reply

    You got me there 😊

  10. Cheryl Snow April 2, 2026 at 7:26 pm - Reply

    Omg…I dislike you. I just told my husband that I don’t have to go to Vegas now to go to the sphere. 😡

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