Point Defiance Zoo – 1/2 off for Moms on Saturday May 8th This post may contain affiliate links and I may be compensated for this post. Please read our disclosure policy here. May 6, 2010 Sharing is caring!0sharesShareTweetPin Point Defiance Zoo in Tacoma, WA is offering moms half-price admission to the zoo all day on Saturday May 8th! Find out all the details HERE. This is definitely a fun way to spend Mother’s Day weekend!!