Private indoor Playground at Kidz Kastle in Warwick, serving families near Portsmouth RI.

Superhero themed birthday party with comic-style decor and custom balloon garland.

Planning a birthday on Aquidneck Island? Whether you want a magical setup delivered to your home in Portsmouth, RI, or a completely private indoor party venue just a short drive away, Kidz Kastle is the top choice for kids birthday parties Portsmouth RI, families love. We take the stress out of party planning so you can focus on making memories with your child. Book our private kids birthday parties in Warwick, or choose party rentals and decor with Kastle To-Go for Portsmouth.

Ms. Rachel themed first birthday party with pastel balloon arches and ABC blocks at Kidz Kastle.

What We Offer Portsmouth Families

Kastle To-Go Rentals (We Come to the Island): This is our most popular option for Portsmouth! We deliver our signature Magical Picnic Tables, custom-themed decor, and stunning balloon installations directly to your home, backyard, or local spots like Glen Park. We handle the setup and the cleanup.
100% Private Parties (The Ultimate Destination): Our Warwick venue is worth the trip for parents who want a totally exclusive experience. You get the entire 5,000 sq. ft. facility all to yourself—no sharing with other parties or the public.
Custom Themes & Balloon Decor: We create high-end, visually stunning parties tailored to your child's favorite things. From nautical themes perfect for island living to superhero adventures and princess galas, we make it look amazing.
Stress-Free Hosting: Whether we are at your house or you are at our venue, our team manages the details so you don't have to.

K-Pop and Demon Hunter themed birthday setup with shimmer wall and custom backdrop.

Luxury ice cream themed backyard party setup with teepee and balloon decor for kids birthday parties Portsmouth RI.

Why Portsmouth Parents Choose Kidz Kastle

Portsmouth is a community that loves the outdoors, values family time, and appreciates quality. From the quiet neighborhoods of Island Park to the beautiful properties in Melville, parents here want a birthday that feels special, organized, and different from the usual options on the island. That's exactly what Kidz Kastle delivers. Our Kastle To-Go service brings a fresh, magical experience right to your Aquidneck Island doorstep — and for those looking for a private indoor party place near Portsmouth, our Warwick venue offers a level of exclusivity you won't find anywhere else on the island.

Ninja Turtle themed birthday setup with character backdrops and balloon decor.

Learn More

About Portsmouth, RI

Portsmouth is one of Rhode Island's most scenic towns — a beautiful blend of coastal charm, farmland, and tight-knit community spirit. Whether you're spending a day at Sandy Point Beach, exploring the historic sites along East Main Road, or enjoying the views from the island's many open spaces, it's a wonderful place to raise a family. At Kidz Kastle, we are proud to serve Aquidneck Island families and help them create birthdays that are as beautiful and memorable as the town they call home.

Safari-themed birthday party with jungle decor and balloon garland inspired by classic characters.

Portsmouth families have told us that what they love most about Kidz Kastle is the flexibility — they can choose a private venue experience that feels like a true destination, or they can have us come right to their island home with a fully styled, photo-ready setup. Either way, there's no sharing the space, no stressful logistics, and no cleanup left behind. We handle everything so Portsmouth parents can actually enjoy the party alongside their kids.

See all of our Rhode Island service areas to find the best option for your city.

Let’s make your child’s next birthday unforgettable!

Book Online: Reserve your private party directly through our online booking page.
Kastle-To-Go Inquiry: Complete our inquiry form for off-site parties and rentals.
Questions?
- Call us at (401) 921-5911
- Email us at info@kidzkastleri.com
- Message us on WhatsApp (see the WhatsApp icon on our website)

Book Your Party | Complete Inquiry

Frequently Asked Questions

Is there a private indoor party venue near Portsmouth, RI?

Kidz Kastle is the top choice for a private indoor party venue serving Portsmouth and Aquidneck Island. We offer 100% exclusive use of our 5,000 sq. ft. facility in Warwick, providing a level of privacy and service you won't find anywhere else.

Do you offer kids’ birthday party rentals in Portsmouth?

Yes! Our Kastle To-Go service is very popular on Aquidneck Island. We deliver and set up custom-themed parties and magical picnic tables at homes in Portsmouth and local spots like Glen Park.

Is the kids party venue shared with the public during a party?

No. Your event is 100% private. You get exclusive use of our 5,000 sq. ft. facility, ensuring a safe and intimate celebration for your child.

Do you travel to Aquidneck Island for balloon decor?

Yes! We love serving Portsmouth and Middletown families. We can deliver custom balloon bouquets and full party setups right to your island home.

How do you make kids birthday planning stress-free for parents?

Whether we come to you or you come to us, we handle the styling, setup, and cleanup. You focus on the kids; we handle the rest.

Testimonials

    
 
 
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   John Garcia 
 
 
 
 Trustindex verifies that the original source of the review is Google. Best place for parties hands down! My Wife and I have celebrated our daughter’s birthday twice in row! Everything was perfect!
  
 
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   Ayanna Dmoch 
 
 
 
 Trustindex verifies that the original source of the review is Google. 5-Star Birthday Party Review for Kid’s Kastle in Warwick, RI

We recently celebrated our child’s 5th birthday at Kid’s Kastle in Warwick, and it was absolutely perfect from start to finish. We arrived 30 minutes early to set up, only to find that everything was already taken care of—tables were set, decorations were up, and the party room looked fantastic. It really took the stress out of the day so we could just focus on having fun.

The kids had an absolute blast. There were tons of engaging activities and games to keep them entertained the entire time—plenty of variety and energy-burning fun. The space is bright, clean, and thoughtfully designed for young children, and even the parents in attendance kept commenting on how great everything looked and how much fun the kids were having.

The hosts were incredibly accommodating. They went above and beyond—from quickly and discreetly cleaning up a couple of little “accidents,” to handing out ice cream to keep the kids happy while they waited for cake, to adjusting the timing of food service when our adult food arrived a little late. Everything was handled with such professionalism and a cheerful attitude.

We could not have asked for a better experience. If you’re considering a birthday party venue in the area, I would absolutely recommend Kid’s Kastle. They made our child’s birthday so special, and we are incredibly grateful!
  
 
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   Sara C 
 
 
 
 Trustindex verifies that the original source of the review is Google. This was our third time hosting a birthday party at Kidz Kastle, and it’s truly a gem!

From start to finish, the team goes above and beyond to make sure the decorations and theme are exactly what you want. The place is spotless—you can tell they take pride in keeping it clean and well-maintained.

One of my favorite parts is that it’s completely private—no sharing the space with other parties, which makes the experience so much more enjoyable. They even set up a space for adults to hang out and relax.

I can’t recommend Kidz Kastle enough—it’s a must for little ones’ birthdays!
  
 
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   Adriana Corrales Carvajal 
 
 
 
 Trustindex verifies that the original source of the review is Google. Do you want a cool place but quiet at the same time that allows you, other parents and your kids at the same time have a blast!? This is the place. We are very very grateful with everything the people from the kidz castle made for our daughter's birthday party. Was amazing!!! Jayla, you know it, you are the best. Your creativity is incredible. I know we will remember this party for many years.🤩🤩🤩🤩
  
 
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   Jen Schlosky 
 
 
 
 Trustindex verifies that the original source of the review is Google. I apologize for the confusion. My previous review was meant for a different establishment. To be honest I'm not sure how your name came up, but this place is great!
  
 
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   Kwaz Okay 
 
 
 
 Trustindex verifies that the original source of the review is Google. We were there for a birthday party. The kids (8,5, and 2.5) loved it and didn't want to leave.  They had a lot to entertain them for sure. My only complaint is when it came to making sure all the kids had cake and pizza or whatever was being served, the lady was not very attentive. Maybe that's not their responsibility but I'm going based on experience at other similar locations and parties.  Overrall, though it was a good experience.
  
 
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   Sue Morales 
 
 
 
 Trustindex verifies that the original source of the review is Google. For my son's 4th birthday, we chose Kidz Kastle, and it was an unforgettable experience. The private venue offered a safe, fun-filled environment with activities like a bouncy house and interactive games. The staff's dedication ensured a seamless, joyous celebration that left lasting memories for all.
  
 
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   Roxanne Pettiway 
 
 
 
 Trustindex verifies that the original source of the review is Google. Kidz Kastle truly came through for me when I needed a last-minute gift for my cousin's birthday party. They not only created the perfect Wow Balloon Bouquet but also had it ready with plenty of time to spare, despite my late request. I've attended kids' parties at their venue before, but I didn’t realize they also offer off-site balloon decor until a family member told me. Their service exceeded my expectations, and I’ll definitely be using them again. I highly recommend Kidz Kastle for anyone looking for balloon decor or a fantastic kids' party experience.