Dual Lane Water Slide by Happy Jump
Malibu 18 Foot Double Lane Water Slide, Commercial Inflatable Water Slide - WS4185
Malibu 18 Foot Double Lane Water Slide, Commercial Inflatable Water Slide - WS4185 from Happy Jump is a dual lane water slide that takes up 31 by 14 feet of ground and stands 18 feet tall. That footprint of 434 square feet is bigger than 22 percent of the 602 dual lane water slides here with printed sizes. Happy Jump prints the ages as “Min. height requirement 36"”.
Specs As Printed
| Maker | Happy Jump |
|---|---|
| Type | Dual Lane Water Slide |
| Length | 31 ft |
| Width | 14 ft |
| Height | 18 ft |
| Footprint | 434 sq ft |
| Size as printed | Unit Length: 31 ft; Unit Width: 14 ft; Unit Height: 18 ft |
| Weight | 495 lbs |
| Blowers | 1 x 1.5 HP |
| Ages | Min. height requirement 36" |
| Wet Or Dry | Wet |
| Made For | Commercial rental use |
| Maker List Price | $3,899 on November 12, 2026 |
| Item Number | WS4185 |
Source Happy Jump product page, checked November 12, 2026. Makers change specs, so confirm before you buy or rent.
How Much Room It Needs
The unit itself covers 31 by 14 feet. Rental companies also leave open space around every side for stakes, the blower tube and a safe exit, so measure your yard larger than the footprint. Check the maker sheet for the exact clearance it asks for.
Similar Size From Other Makers
| Unit | Maker | Footprint | Height | Ages |
|---|---|---|---|---|
| Ocean Quest™ (20’) Dual Slide | Cutting Edge Creations | 29 ft by 15 ft | 20 ft | Not printed |
| 16ft Double Lane Water Slide, Surf Time-SL | Leisure Activities USA | 29 ft by 15 ft | 16 ft | Not printed |
| 15ft Double Lane Big Kahuna Water Slide-SL | Leisure Activities USA | 29 ft by 15 ft | 15 ft | Not printed |
| Dual Castle Wet or Dry | Magic Jump | 29 ft by 15 ft | 15 ft | Not printed |
| Dual Sports Wet or Dry | Magic Jump | 29 ft by 15 ft | 14 ft | Not printed |
| Dual Tropical Wet or Dry | Magic Jump | 29 ft by 15 ft | 13 ft | Not printed |
More Dual Lane Water Slides From Happy Jump
| Unit | Footprint | Height | Ages |
|---|---|---|---|
| Beach Breaker 18' Double Lane, Commercial Inflatable Water slide WS4215 | 33 ft by 12 ft | 18 ft | Min. height requirement 36" |
| Island Wave 18' Double Lane, Commercial Inflatable Water slide WS4214 | 142 ft by 33 ft | 18 ft | Min. height requirement 36" |
| Blue Malibu 18' Double Lane Water Slide WS4185-B, Commercial inflatable Water Slide | 31 ft by 14 ft | 18 ft | Min. height requirement 36" |
| 22' Patriotic Inflatable Double Lane Water Slide [Inflatable Water Slides for Sale] WS4157 | 42 ft by 24 ft | 22 ft | Min. height requirement 36" |
| 18 Foot Double Drop Wet Dry Marble Slide, Inflatable Water Slide - WS4122-1MBG | 27 ft by 13 ft | 18 ft | Min. height requirement 36" |
| Hawaiian Double Lane Slip Slide with Pool, Commercial Inflatable Water Slide - WS4313-R | 40 ft by 10.5 ft | 9 ft | Min. height requirement 36" |