18 Foot Blue Wave Marble, Commercial Inflatable Water Slide - WS8318
18 Foot Blue Wave Marble, Commercial Inflatable Water Slide - WS8318 from Happy Jump is a water slide that takes up 33 by 11 feet of ground and stands 18 feet tall. That footprint of 363 square feet is bigger than 37 percent of the 945 water slides here with printed sizes. Happy Jump prints the ages as “Min. height requirement 36"”.
Specs As Printed
| Maker | Happy Jump |
|---|---|
| Type | Water Slide |
| Length | 33 ft |
| Width | 11 ft |
| Height | 18 ft |
| Footprint | 363 sq ft |
| Size as printed | Unit Length: 33 ft; Unit Width: 11 ft; Unit Height: 18 ft |
| Weight | 390 lbs |
| Blowers | 1 x 1.5 HP |
| Ages | Min. height requirement 36" |
| Wet Or Dry | Wet |
| Made For | Commercial rental use |
| Maker List Price | $2,995 on November 12, 2026 |
| Item Number | WS8318 |
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 33 by 11 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 |
|---|---|---|---|---|
| Pirate Waves Inflatable Water Slide | Guangzhou Channal Inflatables | 27.6 ft by 13.1 ft | 20.7 ft | Not printed |
| 16ft Single Lane Water Slide-Gamer II-SL (Max Height 18ft) | Leisure Activities USA | 28 ft by 13 ft | 18 ft | Not printed |
| Multi Use Inflatable Slide | Guangzhou Channal Inflatables | 27.9 ft by 13.1 ft | 17.7 ft | Not printed |
| Lil' Tides Slide (Emerald Rush)-BB2337-TX | Ninja Jump | 27.8 ft by 13 ft | 15 ft | Not printed |
| Farm Toddler Wet/Dry | Leisure Activities USA | 20 ft by 18 ft | 9 ft | Not printed |
| Circus Lion Inflatable Water Slide | Guangzhou Channal Inflatables | 26.6 ft by 13.8 ft | 19.7 ft | Not printed |
More Water Slides From Happy Jump
| Unit | Footprint | Height | Ages |
|---|---|---|---|
| Grand Angel Falls, Commercial Inflatable Water slide WS4190-P | Not printed | Not printed | Min. height requirement 36" |
| 22' Tropical Inflatable Water Slide WS8622-T | 36 ft by 16 ft | 22 ft | Min. height requirement 36" |
| Beach Blast Inflatable Water Slide, Commercial Inflatable Water Slide For Sale - WS4204-1M | 28 ft by 11 ft | 16 ft | Min. height requirement 36" |
| Caribbean Bay Patriotic Water Slide, Commercial Inflatable Water Slides - WS4170-PSS | 64 ft by 29 ft | 28 ft | Min. height requirement 36" |
| Caribbean Bay Water Slide, Commercial Inflatable Water slides for sale - WS4170-P | 42 ft by 29 ft | 26 ft | Min. height requirement 36" |
| 20 Foot White Water Slide with Slip Slide, Commercial Inflatable Water Slide - WS4168-W | 52 ft by 19 ft | 20 ft | Min. height requirement 36" |