Happy City Indoor Playground is Newmarket’s largest indoor playground for children — a spacious, vibrant family destination located at 18075 Yonge Street that was purpose-built to be a place where fun and social activities truly go hand in hand. Designed to inspire creativity, promote physical activity, and encourage meaningful social interaction among kids of all ages, Happy City offers Newmarket and York Region families a safe, engaging, and genuinely welcoming environment that parents love returning to as much as their children do.

Open seven days a week with extended evening hours on Fridays and Saturdays, Happy City welcomes drop-in play any day of the week — no reservation required. Beyond everyday open play, the facility offers birthday party packages, private facility rentals, memberships, online ticket purchasing, and a March Break camp with a uniquely enriching curriculum — making it one of the most full-service indoor play centres in the Newmarket and York Region area.

Facilities at Happy City Indoor Playground – Newmarket’s Biggest Indoor Playground

Play Zones — Slides, Climbing Structures & Trampoline

At the heart of Happy City is its expansive multi-zone indoor play area featuring slides, climbing structures, and a trampoline — a physically engaging environment that keeps children active, challenged, and entertained across a wide range of ages and abilities. As the biggest indoor playground in Newmarket, Happy City’s play zones offer more space, more structure variety, and more room to run, climb, and explore than most other indoor play facilities in the area — making it a standout destination for families from across York Region.

🎯 Recommended Age: 1 to 13 years

Dedicated Toddler Area

Happy City features a dedicated soft play toddler area — a safe, cushioned, and age-appropriate zone designed specifically for the youngest visitors. Separated from the more active main play zones, the toddler area gives infants and young toddlers a comfortable, stimulating space to explore and develop at their own pace, while parents can relax nearby with confidence that their little ones are safe and well cared for.

🎯 Recommended Age: Infants to 3 years

Cafeteria

Happy City’s on-site cafeteria provides a comfortable space for parents and caregivers to relax, grab refreshments, and enjoy the visit while keeping the kids in view. It’s a welcoming parent space that rounds out the Happy City experience and makes longer visits easy and enjoyable for the whole family.

Private Party Rooms

Happy City’s private birthday party rooms are a dedicated and thoughtfully designed space for celebrations — with room configurations suited to groups from 10 to 30 children, full setup and cleanup included, and a selection of four tiered party packages to fit any size or budget. The party rooms are among the best-reviewed features of the Happy City facility, consistently described as spacious, clean, and well-organized for stress-free celebrations.

Birthday Parties in Newmarket – Celebrate at Happy City Indoor Playground

Happy City is one of Newmarket’s most popular birthday party venues for children, offering four tiered party packages designed to accommodate groups from 10 to 30 children — all with pizza, juice boxes, water bottles, unlimited tea and coffee for adults, full setup and cleanup, and complimentary admission for the birthday child. Four convenient time slots are available throughout the day on weekends, and weekday parties receive an additional 10% discount. Birthday party highlights include:

• Four tiered party packages accommodating 10, 15, 20, or 30 children with corresponding adult allowances
• Pizza (cheese or pepperoni), juice boxes, and water bottles included in all packages
• Unlimited tea and coffee for adults included in all packages
• Complimentary admission for the birthday child, plus a free kids’ meal in select packages
• Full setup and cleanup handled by Happy City staff
• Cutlery and plates provided
• Four daily time slots: 10 AM–12 PM, 12:45–2:45 PM, 3:30–5:30 PM, and 6–8 PM
• 10% weekday discount on all party packages (excluding school holidays and breaks)
• Downloadable fillable PDF birthday invitation cards available for both boys and girls
• Private facility rental also available — weekday morning and evening slots, plus weekend morning and evening options (including a 3-hour evening slot on weekends)

Families across Newmarket, Aurora, Richmond Hill, Vaughan, Keswick, and York Region choose Happy City for birthday parties because of the spacious, clean party rooms, the generous all-inclusive packages, the friendly staff, and the sheer size of the play facility that keeps every guest — from toddlers to pre-teens — genuinely entertained throughout the celebration. Explore Happy City birthday party packages here or call (905) 317-2000 to book.

March Break Camp at Happy City – Coding, Creativity & Play

Happy City offers a uniquely enriching March Break Camp that goes far beyond standard school break childcare — a thoughtfully structured week-long program (March 16–20, 2026) combining play-based learning, creative technology, social skill development, and daily indoor playground time. The March Break Camp curriculum includes:

• Morning coding and creative technology workshops — play-based introduction to coding and AI fundamentals
• Afternoon reading, crafting, painting, and creative activities — each day focused on a distinct social skill such as confidence, empathy, teamwork, or communication, guided by a humanistic psychology approach
• Daily music and dance sessions encouraging self-expression, emotional regulation, and joyful movement in an inclusive environment
• Library and calm discovery time — quiet reading, group games, and collaborative learning
• Choice-based afternoon enrichment — children select activities based on their own interests, including storytelling, coding projects, or creative play
• Daily indoor playground access throughout the week
• Weekly personalized progress report for parents — summarizing engagement, learning, social development, and readiness for coding and AI, with recommended next steps
• Final day showcase event — children present their coding projects and creative work to invited parents

This is a March Break camp in Newmarket designed for children who benefit from structured enrichment alongside free active play — a meaningful and memorable week that parents and children alike consistently praise. Learn more about Happy City’s March Break Camp here or call (905) 317-2000 for registration details.

Memberships at Happy City Newmarket

Happy City offers monthly and 3-month memberships for families who visit regularly — providing unlimited daily visits for the enrolled child, with one adult and any accompanying infants admitted free with the pass. Memberships offer excellent value for families in Newmarket, Aurora, and York Region who make Happy City a regular part of their weekly routine. Contact Happy City at (905) 317-2000 or visit happycityplayground.com/membership-2 for current membership rates and to enrol.

Facility Amenities at Happy City Indoor Playground Newmarket

• Newmarket’s Biggest Indoor Playground: Happy City is the largest indoor playground in the Newmarket area — offering more play space, more variety, and more room for children of all ages to explore than any comparable facility in York Region.
• Open 7 Days a Week: Monday to Thursday 10 AM–7 PM, Friday 10 AM–8 PM, Saturday 9:30 AM–8 PM, Sunday 9:30 AM–7 PM — with extended evening hours on Fridays and Saturdays for after-dinner family visits.
• Unlimited Playtime: Drop-in admission at Happy City includes unlimited playtime — no time limits, no rush. Families can stay and play for as long as the day allows.
• Online Ticket Purchase: Admission tickets can be purchased online in advance via happycityplayground.com/online-ticket — convenient for busy families who want to plan ahead.
• Online Waiver: Waivers can be completed online before your visit to save time at the door. Complete the Happy City waiver online here.
• Under-1 Admission Free: Children under 12 months are admitted free when accompanied by a paid sibling — a welcome policy for families with multiple young children.
• One Adult Free Per Child: One accompanying adult is admitted free with each paying child. Additional adults and grandparents are welcome with a modest additional admission fee.

Why Newmarket Families Choose Happy City Indoor Playground

Happy City has built a loyal and growing following across Newmarket and York Region by combining the scale of the area’s largest indoor playground with a genuine commitment to enriching, age-appropriate programming and a warm, community-oriented atmosphere. The combination of slides, climbing structures, a trampoline, a dedicated toddler area, a comfortable cafeteria, thoughtfully designed party rooms, and an exceptional March Break camp with coding and social-emotional learning creates a destination that offers something meaningful for every child and every family — from a spontaneous weekday afternoon visit to a full week of structured enrichment during the school break.

For families in Newmarket, Aurora, Richmond Hill, Vaughan, Keswick, East Gwillimbury, and across York Region looking for the best indoor playground near Newmarket, Happy City delivers a consistently excellent and genuinely big-hearted experience every visit.

Frequently Asked Questions – Happy City Indoor Playground Newmarket

Do I need to book in advance for drop-in play at Happy City?

Admission at Happy City is available on a drop-in basis — no advance booking required for open play. Tickets can also be purchased online in advance at happycityplayground.com/online-ticket. For current hours and admission details, visit happycityplayground.com/public-admission or call (905) 317-2000.

Is there a time limit for drop-in play at Happy City?

No — drop-in admission at Happy City includes unlimited playtime. There are no time limits on visits. Families are welcome to stay and play for as long as they like during regular operating hours.

What ages does Happy City accommodate?

Happy City welcomes children from infants through 13 years. The facility includes a dedicated soft play toddler area for the youngest visitors and multi-level play structures, slides, and a trampoline for older children. Children under 12 months are admitted free with a paid sibling.

Where is Happy City Indoor Playground located in Newmarket?

Happy City is located at 18075 Yonge Street, Unit 1B, Newmarket, Ontario, L3Y 8V1 — on Yonge Street and easily accessible from across Newmarket, Aurora, Richmond Hill, Vaughan, Keswick, and York Region. Call (905) 317-2000 or email info@happycityplayground.com for directions and hours.