South Bay Mamas South Bay Mamas

South Bay Mamas

Connection & Community for moms in California's South Bay.

We're a supportive group of local mamas who love sharing tips, swapping gear, and meeting up for kid-friendly adventures. Join our Facebook sister group for real-time chats, and check the Events calendar for meet-ups, stroller walks, and moms-night-outs.

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What You'll Find

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Events Calendar

Play-dates, park meet-ups, moms' night out, and community happenings all in one place.

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FAQ & Resources

Crowdsourced answers on pediatricians, schools, local services, and everything in-between.

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Swap & Support

Weekly buy/sell/ISO threads plus uplifting conversation to make motherhood easier.

Upcoming Events

  • Baby Bounce Storytime With Stay and Play!

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    Date: Monday, Mar 23, 12:00 PM

    Location: Atherton - Community Room

    Bring your bouncing baby to our weekly playtime, full of nursery rhymes and songs you can do together to stimulate your baby’s development. Ideal for newborns up to 18 months old, but all are welcome. After Storytime, join us for Stay and Play, a time to engage in open-ended exploration and...

  • Drop-In 3D Printing – Quick Prints @ Hillsdale Branch

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    Date: Monday, Mar 23, 1:00 PM

    Location: Hillsdale Branch - San Mateo Public Library

    Are you interested in 3D Printing? Join us at the Hillsdale

  • Make It With Magnetic Tiles

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    Date: Monday, Mar 23, 3:00 PM

    Location: Portola Valley

    Explore shapes, colors, and design as you build with Superspace magnetic tiles. From simple patterns to tall towers, this open-ended activity lets imaginations run wild. Come play, create, and discover the fun of magnetic building!

  • Free Snacks for Kids! / Meriendas Gratis Para Niños!

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    Date: Monday, Mar 23, 3:00 PM

    Location: Gilroy Library - Lobby area

    Stop by the library and pick up a FREE after-school snack! For kids 18 years old and under. Monday - Friday (3pm - 4pm) while supplies last. Every school day until June except for GUSD school breaks. Snacks provided by the YMCA. USDA Nondiscrimination Statement In accordance with Federal civil rights law and...

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