21 Foot Island Inferno

21 Foot Island Inferno

    • Actual Size: 35'L x 18'W x 21'H
    • Setup Area: 40'L x 22'W x 24'H
    • Outlets: Required: 1 Outlet on its own 15-amp Breaker
    • Age Group: Player Height: 36"-55" Player Weight: 40-150 lbs.
    • Attendants: Adult Supervision Required: 1

      For Safety: Limit to One Rider Per Lane

      This item is used WET only



    • $350.00
    • Add to Cart

21ft Island Inferno Water Slide Rental with Pool

21ft Tall • Extra-Wide Single Lane • Large Deep Pool • Easy Re-Entry Design

One Price. More Time. FREE Overnight or FREE 2-Day Rental Included — No Extra Cost

Starting at $350 — Lock in your date today with just a $50 deposit

⭐ Over 750 5-Star Reviews

🎉 Trusted locally with 10+ years in business

About This Water Slide Rental

The 21ft Island Inferno Water Slide Rental brings bold tropical energy and high-speed excitement to any event. Standing 21 feet tall, this single-lane inflatable features a fast, smooth drop into a large deep splash pool that keeps riders cool and ready for another run.

One of the biggest advantages of the Island Inferno is its easy re-entry design. Riders step directly into the pool at the bottom, making it easy to turn around and climb back up without stepping off the inflatable, which helps keep the fun moving continuously.

Why Choose the 21ft Island Inferno?

  • 21ft tall for fast, exciting rides
  • Extra-wide single lane for smooth, comfortable sliding
  • Large deep pool for a refreshing splash finish
  • Easy re-entry design for better rider flow
  • Bold tropical colors that stand out at any event
  • Great for kids, teens, and adults

What's Included With Your Rental?

  • Professional delivery, setup, and takedown
  • Commercial-grade blower
  • Extension cords within 100 feet of power & water hose
  • Stakes or sandbags depending on setup surface
  • Safety inspection before use

Ideal Events for This Inflatable

  • Birthday parties
  • Graduation parties
  • Backyard celebrations
  • School events
  • Church gatherings
  • Neighborhood block parties

Who This Water Slide Is Best For

This inflatable is best for customers who want a tall, exciting water slide with a simple flow, smooth rider turnover, and a comfortable extra-wide lane.

  • Families looking for a larger single-lane slide with big impact
  • Kids, teens, and adults who want a thrilling ride
  • Graduation parties and summer events
  • Customers who want less congestion and more ride time
  • Backyards needing a slightly more compact footprint than giant slides

Trusted for Public and Community Events

This water slide is a strong fit for school events, church gatherings, neighborhood parties, and community celebrations. Sky High Water Slides is trusted for public events and is approved for use at Brevard County Parks and Brevard County Schools. If you are planning an event at a park, school, or HOA location, please contact us early so we can discuss power requirements and scheduling.

Service Area

We proudly provide water slide rentals in Viera, Palm Bay, Melbourne, and throughout Brevard County.

Related Party Rentals

Looking for more ways to build the perfect event? Browse our water slides, inflatable games, tables & chairs, and concessions to complete your setup.

Need something slightly smaller? Check out our 18ft Paradise Plunge Water Slide for a fun, refreshing option with a smaller footprint.

Why Families and Event Planners Book This Unit

Customers choose the 21ft Island Inferno because it offers a great mix of height, smooth ride flow, and visual appeal. The extra-wide lane, deep pool, and easy re-entry design make it one of the most user-friendly slides for all ages and a strong choice for events where you want steady action from start to finish.

Frequently Asked Questions

How much does the 21ft Island Inferno cost?

Pricing starts at $350 and includes free overnight or free 2-day rental options at the same price.

Does this slide have a pool?

Yes. It features a large deep splash pool for a refreshing and safe landing.

Is this water slide good for adults and teens?

Yes. The 21ft height and extra-wide lane make it a great option for kids, teens, and adults alike.

What makes this slide different?

The easy re-entry design lets riders stay on the inflatable without stepping off, which helps keep the fun moving continuously.

Is this approved for parks?

Yes. We are approved for use at Brevard County Parks. Let us know early so we can discuss power requirements and scheduling.

How do I reserve this water slide?

You can reserve online with just a $50 deposit. Weekend dates fill up quickly, so early booking is recommended.

Why do customers choose the Island Inferno?

Customers love the Island Inferno for its wide lane, tall drop, deep pool, and easy-flow design that makes it fun for a wide range of ages.

⚠️ This is a popular deep pool water slide and books quickly for weekends — reserve early to secure your date.