Jazz After Dark
Fri, Sep 18, 2026
8:00 PM – 11:30 PM
A speakeasy trio session with candlelit table service and late-night standards.
Mississauga, OntarioWelcome to the Underground Lounge in Mississauga, a truly unique event rental space
A lower-level speakeasy and jazz club that converts to a bright open theatre for up to 120 guests — full stage, pro PA, two kitchens, and a secret underground lounge.
About
A boutique private venue — and a producer of original shows
The Underground Event Lounge in Mississauga is a unique, boutique private event venue for rent, designed to host premium social, corporate, and entertainment events.
With its Underground theme, the venue operates both as a private rental facility and as a producer of original ticketed events under Underground Productions — jazz shows, karaoke nights, group dances, lecture nights, comedy shows, acting shows and more. Look for our upcoming shows, or book your own magical event.
We are now taking bookings for all types of events:
Corporate FunctionsBirthday CelebrationsGraduation PartiesHoliday PartiesNetworking EventsEngagement PartiesProduct LaunchesLive EntertainmentPrivate ConcertsFundraisersCultural CelebrationsWedding EventsPrivate DinnersAnd more
Use our caterer or yours
Full kitchen access for your own culinary creations — two complete kitchens, all appliances and kitchenware included.
Underground Productions
Get in touch to book your next event, or join the email list for upcoming Underground events.
Venue & Rates
Truly unique, and unlike most other venues
Full access and use of the facility is included in every rate. Events over 50 guests may require extra security at the door. We can also help you find a caterer or an entertainment act.
Private entrance & parking
Tons of free parking and a discreet private entrance to the lower level.
Speakeasy jazz club vibe
Converts to a bright open space with seating and tables for up to 120 guests.
Full stage & AV
Full stage, pro PA system, stage lighting, plus high-def projector and screen.
2 full kitchens
Support your caterer, ours, or cook your own culinary experience.
The secret underground
A hidden cigar and chill space through the kitchen in the underground parking area.
Day Rate
$800+ HST
9:00 AM – 4:00 PM
Most booked
Nightly Rate
$1,200+ HST
5:00 PM – 1:00 AM
Hourly Rate
$200/hr + HST
Daytime only · 2-hour minimum
Underground Productions
Upcoming shows
The Underground Production team produces and presents all types of boutique live shows from our main theatre on the lower level at 1599 Hurontario — dinner shows, musical acts, theatre, comedy and more, seating up to 120 people.
Underground Comedy Night
Sat, Sep 26, 2026
9:00 PM – 11:00 PM
Five Toronto headliners, one low ceiling, zero filter. Reserved cabaret tables.
Basement Karaoke
Thu, Oct 8, 2026
8:00 PM – 1:00 AM
Stage lights, pro PA, and a 20,000 song book. Sing it like the record.
Dinner Theatre: The Last Set
Sat, Oct 24, 2026
7:00 PM – 10:30 PM
Three-course catered dinner with an original one-act staged between courses.
Lecture Nights
Wed, Nov 4, 2026
7:30 PM – 9:30 PM
Short talks on city history, film and music with projector visuals.
Group Dance Social
Sat, Nov 14, 2026
8:00 PM – 12:00 AM
Beginner lesson at 8, open social floor until midnight.
The Space
Inside The Underground
A look at the theatre, the stage and the kitchens beneath Hurontario Street.
Booking
Book the Underground
Place your booking here and indicate whether you'll require catering. Our event manager will reach out to discuss catering as well as logistics for accessing "The Underground".
Contact
We would love to hear from you
Our location
Underground Event Lounge
1599 Hurontario Street, Lower Level
Mississauga, Ontario