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Sloomoo Institute to open 17,000-square-foot slime experience in Boston

Sloomoo Institute to open 17,000-square-foot slime experience in Boston

Money Moves Boston, MA local

New York-born slime attraction expands to a Clinton Street flagship after a year of MiniMoo success at Faneuil Hall

Today: Boston.com reports Nov. 14 flagship opening

Overview

Updated 1 hour ago

Boston families get a new indoor play space this fall, one that turns slime into a ticketed attraction. Sloomoo Institute, which bills itself as the world's No. 1 slime experience, is set to open a 17,000-square-foot venue at 22-24 Clinton Street on Nov. 14, in the space that held the Hard Rock Cafe.

The flagship is more than four times the size of the MiniMoo shop Sloomoo opened at Faneuil Hall a year ago, which the company says drew more than 65,000 visitors. Sloomoo says the venue will create 100 jobs. Its opening tests whether a paid, hands-on attraction can anchor prime downtown retail space.

Why it matters

If the flagship draws crowds, expect more downtown storefronts to become paid interactive experiences instead of traditional stores.

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Key Indicators

9
Sloomoo locations nationwide
Grew from one New York City venue in 2019 to nine across the U.S.
65,000+
Visitors to Faneuil Hall MiniMoo
The 4,000-square-foot shop's first year, per the company.
100
New jobs from Boston flagship
Sloomoo says the Clinton Street location will employ 100 people.
$35.99
Starting ticket price
Tickets for the Boston experience start at $35.99.

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People Involved

Organizations Involved

Timeline

2019 October 2026

3 events Latest: Today
  1. Boston.com reports Nov. 14 flagship opening

    Today Announcement

    Boston.com reports the 17,000-square-foot Clinton Street flagship opening, with 100 jobs and a $35.99 starting ticket.

  2. Sloomoo MiniMoo opens at Faneuil Hall

    Expansion

    A 4,000-square-foot shop and slime design bar opens at Faneuil Hall Marketplace.

  3. Sloomoo Institute launches in New York City

    Launch

    Sloomoo opens its first location, starting what becomes a nine-city chain.

Scenarios

1

Sloomoo Boston Opens on Schedule

Likely Resolves by Nov 20, 2026

Discussed by: Boston.com and Sloomoo's own announcements

The Nov. 14 grand opening happens as announced, with the 'slime cutting' ceremony, the full slate of attractions (slime wall, waterfall, DIY bar, DJ booth), and ticketed hours in effect.

2

Sloomoo Boston Opening Delayed

Unlikely Resolves by Dec 15, 2026

Discussed by: Unreported; a construction and permitting contingency

Construction, permitting, or staffing issues push the opening past Nov. 14. Sloomoo had opened its MiniMoo at Faneuil Hall on schedule in November 2025, so a delay would be a departure from its recent record.

3

Sloomoo Expands to a 10th Location

Possible Resolves by End of 2027

Discussed by: Plausible given growth from one NYC venue to nine

After Boston opens, Sloomoo announces another U.S. location, passing nine venues. Strong Boston attendance and the company's stated expansion pattern would support further growth.

Historical Context

2 moments from history that rhyme with this story — and how they unfolded.

2016

Museum of Ice Cream (2016)

Maryellis Bunn and Manish Vora opened Museum of Ice Cream as a pop-up in New York City in 2016. It featured candy-colored rooms, a sprinkle pool, and oversized dessert installations. Tickets sold out and the brand expanded to San Francisco, Los Angeles, Miami, and Singapore.

Then

The immersive, photographable format drew huge crowds and media attention, spawning imitators.

Now

It helped define the immersive experience economy: ticket-based, visual attractions that fill temporary and vacant retail space.

Why this matters now

Sloomoo follows the same playbook of colorful, hands-on, highly visual rooms with a strong brand, but operates permanent, year-round venues rather than pop-ups.

March 2016

Meow Wolf (2016)

Meow Wolf, a Santa Fe art collective, opened House of Eternal Return, a 20,000-square-foot immersive installation in a former bowling alley, in 2016. It grew into a multi-city business with venues in several U.S. cities.

Then

House of Eternal Return became one of New Mexico's most visited attractions.

Now

It proved immersive, narrative-driven art spaces can operate as permanent, sustainable enterprises.

Why this matters now

Like Meow Wolf, Sloomoo converts former retail and restaurant spaces into permanent paid experiences, banking on repeat visits from locals rather than tourists alone.

Sources

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