Are there free indoor activities for kids in Santa Cruz?

Yes. 2 indoor activities in Santa Cruz are completely free, including Monterey Bay National Marine Sanctuary Exploration Center, Visit Santa Cruz County.

How many indoor activities in Santa Cruz are stroller-friendly?

4 of the 5 indoor activities in Santa Cruz are fully stroller-friendly.

Best Indoor Activities for Kids in Santa Cruz

5 indoor kid-friendly activities in Santa Cruz. Perfect for rainy days, hot weather, or when you need climate-controlled fun with the family.

Highest rated: The Santa Cruz Children’s Museum of Discovery, Neptune's Kingdom, Monterey Bay National Marine Sanctuary Exploration Center. 2 listings are free. Every listing includes age ratings, stroller access, and parent tips.

How to use this indoor activities list

Use this page for heat, rain, nap gaps, or a climate-controlled backup when the day gets loose. KidPaths is currently tracking 5 indexable picks for this page in Santa Cruz, CA, with details for cost, age fit, stroller access, weather backup, and parent logistics.

Quick fit

1 for infants, 2 for toddlers, 5 for little kids, 5 for big kids.

Weather and access

5 indoor or mixed-weather picks. 4 stroller-friendly stops. 5 rainy-day backups.

Cost scan

2 free picks. 3 paid picks. Open the cards for family-of-4 cost notes and savings tips when we have them.

Altitude Trampoline Park Neptune's Kingdom Monterey Bay National Marine Sanctuary Exploration Center Free Activities Rainy Day Activities Outdoor Activities Toddler Infant Little Kids

Top Picks

The Santa Cruz Children’s Museum of Discovery

4.6 stars

Hands-on exhibits let kids dig for fossils, splash in a water table, run a pretend farmers market, and explore science concepts in ways that feel like

0–10Indoor~$40–$52 (admission typically ~$10–$13/person for ages 1+; under 1 often free; 2 adults + 2 kids)

Neptune's Kingdom

4.6 stars

An indoor miniature golf course with an ocean/nautical theme, plus a huge arcade — it's a rainy-day jackpot right next to the Santa Cruz Boardwalk.

5–17Indoor~$60–$100 (mini golf ~$10–$14/person; arcade tokens extra; budgeting $15–$25/person for tokens is reasonable; 2 adults + 2 kids)

Monterey Bay National Marine Sanctuary Exploration Center

4.6 stars

Touchable tide pool exhibits, glowing deep-sea creature displays, and video windows into the actual Monterey Bay — kids are riveted by seeing what liv

2–17FreeIndoor$0 — completely free admission

Altitude Trampoline Park

4.6 stars

Wall-to-wall trampolines, foam pits, dodgeball courts, and slam dunk zones — it's an energy bonfire that leaves kids completely spent in the best poss

4–17Indoor~$60–$100 (typically $15–$22/jumper per hour session; grip socks ~$3 if you forget; 2 jumping kids + 2 spectating or jumping adults; 2 adults + 2 kids)

Visit Santa Cruz County

4.2 stars

Kids enjoy picking up colorful brochures and maps; older kids can help plan the family itinerary using the display materials.

All ages (planning resource)FreeIndoor$0 — free visitor center; use it to plan paid activities elsewhere

Age Group

Quick Filters

5 activities

Tours & Experiences