Kids Birthday Parties Orange County | Santa Ana Kids Parties

Sender City Parties

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The Best Kids Birthday Parties in Orange County

At Sender One Santa Ana, we’ve worked to create a unique climbing environment built to excite, challenge, and entertain kids and adults alike in the Orange County area – and while we’re proud to provide a space for regular climbers to practice and enjoy themselves, we also throw some of the best parties in the OC! Climbing at Sender City is an ideal way to celebrate a birthday and pack a fun-filled day for everyone attending. Treat your child and all of your child’s friends to a day of exercise, excitement, and a whole lot of fun!

Party Packages

When you party at Sender City, it’ll be a day the whole group remembers. Our party packages include:


  • 30 minutes of Discover & Connect Activities, harnessing, instructions, and safety orientation
  • 1 hour of climbing in the Sender City Climbing Area
  • 1 hour in an exclusive party space
  • Climbing harness and helmet for climbing activities
  • Free climbing for the birthday kid’s parents (2 adults)
  • Dedicated Party Attendant* to ensure your party goes smoothly

*One Party Coordinator per package, additional coordinators are $75

Book a Party at Sender City

Whether you’re celebrating a birthday party, graduation, a big win for a sports team, or any other occasion, Sender City is the perfect place to host a killer party! Just follow these guidelines to make booking your party a breeze:


  • You can book in person at Sender City, via this webpage, or by calling us at (714) 881-3456
  • If you’re booking a private party, we’ll need at least 2-3 weeks advance notice (private parties also require 25 slots)
  • To confirm your booking, we’ll require a non-refundable 50% deposit
  • Looking to throw a really big party? Just email [email protected] for groups larger than 30
  • If you’re interested in having a party outside of our normal 10am-6pm operating hours, contact us at [email protected]
Party times at our Santa Ana location are as follows:

Weekends and Holidays:
10:00am – 12:30pm  |  12:00pm- 2:30pm
2:00pm – 4:30pm  |  4:00pm – 6:30pm

Please contact the Events Department for availability.

For party bookings outside of these hours, please contact our Events Department at [email protected]

Party Guidelines & Rules

If you have any questions about any of the guidelines or rules below, just contact us and we’ll be more than happy to help you.

  • Arrive promptly at your scheduled party start time
  • waiver is required for everyone entering the facility.
  • Closed toe shoes are mandatory to participate in climbing & activities.
  • No black sole shoes.
  • Wear comfortable clothing. We recommend pants or long shorts to be comfortable for most activities.
  • All Sender City climbers must be 35 lbs or more.
  • NO balloons, confetti, glitter, or pinatas.
  • Excess participant fees may apply if the number of climbers on the day of the party exceed the confirmed number.
  • 12% Service fee applied at check out.
  • Gratuity is greatly appreciated.

Food Options and Catering

Children’s Party Food & Catering Options

No party is complete without a delicious meal to go along with it – and Sender One has you covered. We offer catering options through the Tustin Pizza Shack or Anders Catering so every climber will have a happy brain and belly!


  • The Town and City party packages each include drinks and pizza for the climbers. (About 2 slices of pizza per climber: 15-18 climbers = 3 pizzas, 19-24 climbers = 4 pizzas, 25-30 climbers = 5 pizzas)
  • Have some hungry kids in your party? No worries. We offer additional food items you can add on to any party package.
  • Weekend and Monday food orders must be placed by Thursday at 5p. 
    Weekday food orders must be placed 48 hours in advance.
  • Feel free to bring dessert, prepackaged dry snacks, candy, vegetable trays, and fruit trays for no additional fee.
  • For guests that book the Village package and would like to bring in other outside catering, there will be a $100 clean up fee.



Party Theme

$99 per Theme

Customize your party with themed tableware, special decorations, and centerpieces.  If you would like a combo theme or a specific customization, email the Events Department at [email protected] The party theme is available to add on to any party package.

Available themes include: Arctic Climb, Butterfly Fairy Princess, Climbing Ninja Warrior, Forest, Superhero, and Under the Sea.



$8 per person

Party favors are included in our City party packages. Party favor items may vary but may include:

  • Water Bottle
  • Carabiner
  • Activity Sheet
  • Crayons
  • Bracelet
  • Kind Bar

Party Characters

Bring your party to life with characters provided by the Pure Imagination Party Company! With real-life princesses, mermaids, superheroes, and more at your party, every guest is sure to be delighted. Party characters can lead sing-a-longs, take photos, make balloon animals, and do face painting with kids. They’re a great way to push an already-great party over the top!

Characters are subject to availability. If you would like to book a party character, please contact Pure Imagination at [email protected]


Finish your party off with a deliciously baked and artfully crafted cake to match your party theme!   Cakes are provided by JoJo Cakes.  If you would like to order a cake, please contact Jojo Cakes at [email protected] Please mention you are hosting a party at Sender One!


$75 per hour

A party coordinator is included each party package.

Reserve an additional personal party coordinator to serve your guests food and beverages. The party coordinator will also clear plates, cut and serve your cake, and assist you in packing up.

Party Space

Party Room

Private party room
Accommodates up to 30 people

Party Loft

Overlooks the main climbing gym
Accommodates up to 50 people

Book Your Party Online!

Ready to throw a birthday party that every attendee will remember? Book your party online today!

Book Now


All climbers and observers must fill out an online waiver. This includes parents, grandparents, babies and kids who are only watching. Fill out a waiver online to save time at check-in.


Sender One Climbing, Yoga, Fitness, Orange County
1441 S. Village Way
Santa Ana, CA 92705


Climbing Gym
Mon – Fri : 6 am - 11 pm
Sat : 8 am - 10 pm
Sun : 8 am - 8 pm

Sender City
Mon - Fri : 10:30 am - 7:30 pm
Sat : 9:30 am - 7:30 pm
Sun : 9:30 am - 6:30 pm


Sender One & Sender City
(714) 881-3456
[email protected]

Special Events
(714) 752-3452
(Events Line Hours: 10 am - 6 pm, M-F)
[email protected]

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