Private Events at OMSI

Event Rentals

Where elegant dining meets brain powered fun, OMSI is a stunning backdrop for intimate dinners and lavish receptions alike. Enjoy seasonally-inspired culinary creations at Portland's premier waterfront venue. Celebrate under the stars in a world-class planetarium. Explore the wonders of the exhibit halls. It's yours to enjoy!

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Available for 25 to 2,500 guests, OMSI spaces and services include:

  • Waterfront restaurant
  • Four exhibit halls
  • Empirical Theater
  • Planetarium
  • Blueback Submarine
  • Free parking
  • Theory catering by Bon Appétit

Book your private event:

  • Corporate or social
  • Business meeting or seminar
  • Elegant or casual reception
  • Staff appreciation
  • Holiday celebration
  • Company picnic
  • Team building
Square Footage: 9,100 sq ft
Capacity: Banquet 225
Reception 350
Availability: Daily 5-11pm
  • 6,500 lumens ceiling-mounted LCD projector
  • built-in sound system
  • wireless microphone
  • 22' x 12' screen

The perfect location for your next dinner or evening reception with waterfront views of the Portland skyline. Theory offers an open, airy floor plan with sleek, custom furnishing, reclaimed wood accents and a fireplace.

Earth Hall
Square Footage: 8,000 sq ft
Capacity: Banquet 175
Reception 250
Availability: Daily 6-11pm (7-11pm in the summer)

Located on the second floor of the museum, the Earth Science Hall focuses on geology and techtonics, weather and climate, energy and the environment, and their interrelationship with life, both past and present. Highlights include Clever Together and the recently installed Renewable Energy exhibit, while the popular Science on a Sphere serves as the centerpiece of the room.

Turbine Hall
Square Footage: 13,400 sq ft
Capacity: Banquet 250
Reception 350
Availability: Daily 6-11pm (7-11pm in the summer)
Experiment with technology and physical sciences in this hall named for the large turbine generator that serves as its focal point. Learn how technology affects our daily lives and changes our future. Popular exhibits include the Innovation Station, Autovation Exhibit, Earthquake House, and Nanotechnology exhbit. This highly dynamic space is a popular choice for reception-style events.

Featured Exhibit Hall
Square Footage: 8,200 sq ft
Capacity: Banquet 120
Reception 300
Availability: Daily 6-11pm (7-11pm in the summer)
Our featured exhibit hall is home to several rotating exhibits through the year and is adjacent to Theory.

Featured Exhibitions:

February 7 - May 6, 2015  

Ripley's Believe It or Not!  
May 21 - September 7, 2015 

Life Hall
Square Footage: 6,000 sq ft
Capacity: Banquet 100
Reception 150
Availability: Daily 6-11pm (7-11pm in the summer)
Located on the second floor of the museum, the Life Science hall invites visitors to explore the nature of human growth and development, the structure and function of the human body, and the impact of advancing technology on health care and choices.

Square Footage: 4,700 sq ft
Capacity: Banquet 225
Reception 300
Theater 150
Availability: March – October anytime
  • 30' x 75' tent
Our seasonal tented courtyard is nestled along the Willamette River with dynamic city views. It’s the perfect spot for company picnics or evening receptions.

Square Footage: 2,970 sq ft
Capacity: Banquet 180
Reception 320
Theater 300
Classroom 125
Availability: Daily 6am-11pm
  • HD LCD projector 
  • screen
  • computer and podium with touch-panel for lighting, audio, projection and screen controls
  • wireless internet access
This multi-functional space is the perfect place for presentations, panel discussions, lectures and meetings.

Parker Room
Square Footage: 650 sq ft
Capacity: Banquet 36
Reception 50
Theater 50
Classroom 30
Availability: Daily 6am-11pm
  • LCD projector and screen
  • computer with Microsoft Office
  • wireless Internet access
Located on the top floor of the Turbine Exhibit Hall, the Parker Room is ideal for small professional meetings and features river and city views.

Capacity: 190/full dome show
95/half dome show
Availability: Private shows scheduled around regular show times
  • LCD projector 
  • screen 
  • wireless microphone
  • wireless internet  
  • choose from over 30 shows in our library
The largest and most advanced planetarium in the Pacific Northwest, the Kendall Planetarium is an exhilarating venue for private viewings and functional for mid-sized meeting space.

Empirical Theater
Capacity: 300
Availability: Private shows or meetings scheduled around regular show times
  • LCD Projector  
  • screen 
  • microphone 
  • wireless internet
Book a private large-screen viewing or opt for a lecture-style presentation venue in OMSI's top-of-the-line theater space.

Capacity: 100 people per hour
Availability: Scheduled around regular tours
The USS Blueback is the U.S. Navy’s last non-nuclear, fast-attack submarine and is waiting with hourly rental options. 

Entire Museum
Square Footage: 225,000 sq ft
Capacity: Banquet 1000
Reception 2500
Availability: Daily 6-11pm (7-11pm in the summer)
Interactive and nationally acclaimed exhibits set a stunning backdrop for your private, after-hours event with each hall offering a different theme and a variety of seating and catering service options.

Main Lobby
Square Footage: 3,900 sq ft
Capacity: Banquet 150
Reception 225
Availability: 6pm-11pm (Summer Months 7pm-11pm)
The main lobby is an excellent location for a plated dinner or elegant reception.   

Theory Catering by Bon Appetit

Dedicated to honest ingredients and food sources, Theory, a new eatery at OMSI, brings seasonal dishes to life for your curious observers. Theory Catering by Bon Appetit pairs flavor and nutrition, preparing local and global fare with authentic ingredients for the well-being of our guests, community and environment.

Detailed, customizable menus feature fresh, local products from Vibrant Valley, Creative Growers, Zenger Farms, Pure Country Pork, Carmen Ranch Beef, Shepherd's Grain Flour and A&J Orchards.

Please see our CATERING MENU for current options.

For questions and customized menus, please contact Sydney Deluna at 503.239.7830 or

Our Contact Information
Call 503.797.4671
Megan Strong Event Sales Manager
Julia Houha Event Sales Coordinator

Weekend Group Tickets

Corporate, community and/or weekend/evening groups of 15 or more, please contact Event Sales to make a reservation.

Event Sales Contact


Sherlock Group Pricing

Adults: $12.00
Senior/Youth: $10.00
Group Pricing

General Admission Adults: $10.00
General Admission Youth (3-13): $7.00
Empirical Theater All Ages: $6.00
Planetarium All Ages: $4.00
Submarine All Ages: $4.00

Getting Here

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