Monsoon Madness 2026 set for July 18!

Beat the heat as Holland Park transforms into pop-up water park during one of the most popular events of the summer featuring giant waterslides, a mini-monsoon area for little ones, live entertainment, and more!

Registration now open!

ALL ATTENDEES MUST BE REGISTERED, INCLUDING ALL ADULTS AND CHILDREN ENTERING THE EVENT FOOTPRINT.

NO ON-SITE REGISTRATION WILL BE PERMITTED. REGISTRATION WILL CLOSE AT
11:59pm FRIDAY, JULY 17, 2026.

REGISTER NOW

Admission + Entry

Early Access Wristband ($20)
Purchase the $20 early access wristband to experience a smaller crowd and shorter wait times at waterslides and activities from 11 a.m. to noon, limited to the first 500 registrants. An early access wristband grants entry into Monsoon Madness until the event ends at 3 p.m. on July 18. Wristbands will be picked up at check in at the event. PRE-REGISTRATION IS REQUIRED. NO ON-SITE REGISTRATION WILL BE PERMITTED. REGISTRATION WILL CLOSE AT 11:59pm FRIDAY, JULY 17, 2026.

Standard Access Wristband (Free)
Register for a free wristband, pick it up at event check in, and join us for fun from noon to 3 p.m. on July 18! PRE-REGISTRATION IS REQUIRED. NO ON-SITE REGISTRATION WILL BE PERMITTED. REGISTRATION WILL CLOSE AT 11:59pm FRIDAY, JULY 17, 2026.

All attendees must be registered, including all adults and children entering the event footprint.
There will be no cash transactions on site.
All registrations and payments must be done through our online system HERE.

PRE-REGISTRATION IS REQUIRED. NO ON-SITE REGISTRATION WILL BE PERMITTED.
REGISTRATION WILL CLOSE AT 11:59pm FRIDAY, JULY 17, 2026.

Activities + Attractions

Entrance + Perimeter

Fishers Parks (first aid, info, sensory resources)
DJ
Food, drink, and treat trucks and vendors
Splash pad
Playground + park

Large Water Attractions Area

30′ Surf the Wave Slide
20′ Wild Wave Slide
18′ USA Double Lane Slide
18′ Tropical Paradise Slide
17′ Big Kahuna Slide
16′ Mermaid Plunge Slide
Extreme Foam Area

Waterless Attractions Area

Leaps + Bounds Inflatable Course
Mechanical Shark
Mechanical Surfboard
Lagoon of Doom Log Roll
2-Lane Inflatable Obstacle Course

Toddler Water Attractions Area

Shark Splash
Dolphin Splash
Sprinklers
Water Tables

Know Before You Go

Admission + Entry

Registration closes at 11:59 p.m. Friday, July 17. All attendees must be registered, including all adults and children entering the event footprint. No on-site registration will be permitted.

Early Access Wristband – $20: Purchase a $20 early access wristband to experience a smaller crowd and shorter wait times at waterslides and activities from 11 a.m. to noon. An early access wristband grants entry into Monsoon Madness until the event ends at 3 p.m. on July 18. Wristbands must be pre-paid and pre-registered but will be picked up at check in at the event.
Standard Access Wristband – FREE: Pre-register for a free wristband, pick it up at event check in, and join us from noon to 3 p.m. July 18! Wristbands must be pre-paid and pre-registered but will be picked up at check in at the event.

Parking

Free event parking is at the Holland Park parking lot (1 Park Drive, Fishers). If the parking lot is full, guests of the event should utilize surround free public street parking. Accessible parking will be available at the Holland Park parking lot.

Restrooms

Both facility restrooms and portable restrooms will be available at the north and south ends of the event. Accessible restrooms will be available.

Food + Beverage

While outside food and non-alcoholic beverages are permitted in the park, those items will not be permitted inside the gated areas of the event. Food trucks also will be on site vending. Vendors include: Kona Ice, Colonel Mustard, Ice Cream Donuts, Solo Pizza

Weather + Safety

Fishers Parks staff closely monitors the weather and forecast prior to and during each event. Events are rain or shine. In the event of nearby lightning, the event may temporarily shut down until dangerous weather clears. All updates regarding changes to scheduled events will be communicated via Fishers Parks social media channels and announced at the event.