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I.E. Outdoor Event Venue
Serving the Ontario, CA area5.0 (6)
150 guests
The District Lounge
Serving the Ontario, CA area4.8 (4)
200 guests
Private Backyard for Kids Bday Parties/Play Dates
Serving the Ontario, CA area5.0 (22)
60 guests
Day at the Park
Serving the Ontario, CA area5.0 (93)
50 guests
Aim Living Services
Serving the Ontario, CA area4.9 (104)
70 guests
Songbird Cafe
Serving the Ontario, CA area4.9 (118)
150 guests
Backyard Resort Ambiance with Big pool!!!
Ontario, CA20 guests
Lux Studios
Ontario, CA5.0 (157)
50 guests
Corner Occasions
Ontario, CA4.9 (17)
75 guests
Small yard party’s
6.5 miles from Ontario, CA50 guests
Stylish backyard for intimate weddings/parties includes 6 tables/36 chairs
Serving the Ontario, CA area4.7 (7)
50 guests
Intimate and Cozy Backyard
Serving the Ontario, CA area5.0 (1)
40 guests
BLUSH
Serving the Ontario, CA area4.9 (10)
250 guests
Tropical Oasis Backyard
Serving the Ontario, CA area4.4 (18)
200 guests
Rabbit Hole Bar
Serving the Ontario, CA area4.9 (9)
75 guests
Stages
Serving the Ontario, CA area250 guests
Ziba Photo Video & Venues
Serving the Ontario, CA area5.0 (146)
100 guests
Bachelor and Bachelorette Party Photo Film
Serving the Ontario, CA area10 guests
Modern Indoor Flex Space, Golf Experience & Private Events
Serving the Ontario, CA area85 guests
Private Tropical Oasis
Serving the Ontario, CA area5.0 (1)
85 guests
Colab Space
Serving the Ontario, CA area5.0 (18)
130 guests
Colab Space
Serving the Ontario, CA area5.0 (1)
130 guests
Istanbul Grill Catering & Venue
Serving the Ontario, CA area5.0 (5)
100 guests
Outdoor Resort-style Oasis
Serving the Ontario, CA area5.0 (41)
60 guests
Media Pollution
Serving the Ontario, CA area5.0 (13)
50 guests
Exclusive Game Room Event Space- perfect for parties and business gatherings
Serving the Ontario, CA area5.0 (3)
20 guests
Elegant Banquet Room in Long Beach – Baby Showers, Bridal Showers, Birthdays
Serving the Ontario, CA area50 guests
Rose Garden Tea Party Themed Event Space -- Perfect for Showers, Birthday parties, Bachelorettes, and more!
Serving the Ontario, CA area5.0 (1)
20 guests
Groovy 70's Hollywood 420 Friendly Hideout/Karaoke room- Free Parking - Security
Serving the Ontario, CA area4.9 (246)
35 guests
Burbank Backyard Garden (Residential) Day Parties, Birthday Parties, Engagement Celebrations, Baby Showers, Art Exhibits, Book Releases, Listening Parties, High Tea
Serving the Ontario, CA area5.0 (2)
45 guests
Big Backyard Perfect for Photos and Parties
Serving the Ontario, CA area5.0 (3)
25 guests
Perfect House for Events
Serving the Ontario, CA area5.0 (112)
30 guests
Pool & Tiki Bar Rental
Serving the Ontario, CA area5.0 (1)
30 guests
Pool Rental at Retro-Modern House Perfect for Small Outdoor Events
Serving the Ontario, CA area5.0 (1)
20 guests
Once upon a garden
Serving the Ontario, CA area5.0 (3)
100 guests
Santa Monica Cocktail Party Suite w/ Speakeasy Vibe (+ Optional Karaoke)
Serving the Ontario, CA area5.0 (242)
30 guests
Pricing and popularity information in this section is based on proprietary Peerspace booking data, reflecting recent booking activity and the latest data available through June 2026.
Saturdays are the most popular day for booking 50th birthday party venues in Ontario. For those seeking a deal, consider booking Wednesday and Saturday as these days are 1% cheaper on average.
Our local hosts have welcomed 597 people into their 50th birthday party venues with reviews averaging 4.77 stars. Most even said they would book again -- about 96%.
50th birthday party venues in Ontario average $49 per hour to rent, but it’s easy to spend less or more depending on what you’re looking for. For a space on the smaller side, expect to spend closer to $152, whereas larger venues run about $228 per hour.
Most 50th birthday party venues are scheduled for 5 hours, with 6 people in attendance. You’ll find the most 50th Birthday Parties starting between 10:00 AM and 11:00 AM.