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Birthday Bash!

Book your child's next party at Junior Gym!  It will be a party your child won't soon forget.  And you'll love it, too, because we make it so easy.  You and your guests will have the whole facility to yourselves, and our staff will take care of everything.  We lead activities and games in the gym, serve the food, cut the cake, and even help carry gifts to the car.  Our spacious facility is the perfect place for the kids to play and celebrate while the adults get to relax and enjoy.

Our Parties:

  • We provide organic juice boxes & balloons for each child.

  • Paper plates, napkins & utensils provided for all guests, including adults.

  • You may bring food from home, or have it delivered. (no peanuts, please)

  • You may have up to 25 children.

  • $25 discount for active members! Use promo code: member

  • You may add a time extension to the last party of the day at $50/30 min.

Birthday Party payments are due in full at the time of enrollment.  A partial refund (birthday party payment less $150 reservation deposit) will be given if Birthday Party is canceled more than 30 days in advance.  If a birthday party is canceled within 30 days of the Birthday Party date no refund will be given.  Charges for additional guests and/or party time extension will be billed after the Birthday Party takes place.

Space is limited!  Click to check pricing and availability in:

San Mateo

Santa Rosa