Best Waterproof Bag for Water Parks

Best Waterproof Bag for Water Parks

Long water slide winding through a resort water park

Activity guide / Water parks

At a water park, the slide decides where your bag goes. Plan around the ride rules, not the pool.

Updated October 5, 20265 min readGear setup

The best waterproof bag for a water park is a small sealed one you wear between rides for your phone, key and card, backed by a locker or a non-rider who holds it while you're on the slides.

The rules, side by side

What the parks' posted rules say

Three parks, three wordings, one pattern: loose items stay off the slides.

Park What its rules say
Volcano BayUniversal Orlando "Please leave any loose articles with a non-rider or in a locker." Lockers are at the front of the park and in three villages; additional fees may apply.
Fallsview Indoor WaterparkNiagara Falls, Ontario Cameras and camera phones are "NOT permitted on any of the waterslides"; loose bracelets and long necklaces aren't allowed on any slide. Day lockers are available to rent.
Great Wolf LodgeMason, Ohio Under "Secure loose articles": some attractions require you to remove footwear, loose jewelry or eyeglasses. Rental lockers are available, and the lodge says it isn't responsible for items lost, damaged or stolen.

Quoted from each park's own rules pages, checked October 5, 2026. Rules vary by park and by attraction; read the sign at the ride entrance.

Routine

Your bag through the day

Organized by SKÖ from the park rules above.

  1. Arrive: split the gear

    Towels, dry clothes and anything you won't need in the water go straight into a rented locker. The waterproof bag gets only what you'll want between rides: phone, room key or car key, one card.

    Why: the Center for Young Women's Health suggests a locker unless an adult can keep an eye on your things, and a big bag is exactly the thing nobody wants to watch.

  2. Between rides: wear it

    Lazy river queues, the food court, the walk across the park: this is where a sealed bag worn across your body beats a wet pocket or a phone left on a lounge chair. Check each pool's posted rules, since some attractions have their own.

  3. At the slide: hand it off

    Give the bag to a non-rider in your group, or use a ride-side locker if your park has them. Don't plan on riding with it.

    Why: Volcano Bay asks for loose articles to go to a non-rider or a locker; Fallsview bans camera phones on every slide.

  4. After: rinse and dry

    Rinse the outside with fresh water at home, then leave it open to dry. Our guide to cleaning a waterproof TPU bag covers the details.

Worn between rides, handed off for the slide.

The bag on you

Choosing the bag

Truly waterproof, not splash-resistant; small enough to hand off; snug enough not to bounce. The SKÖ Waterproof Crossbody is one example of that job.

Capacity~1.14 L
Size7.5 × 4.7 × 2 in
Weight~13 oz
ClosureWaterproof zipper

Where it fits

  • Phone, key, card and sunglasses, worn hands-free between rides
  • Designed to be waterproof and submersible when the zipper is properly closed and sealed
  • Small enough to pass to a non-rider or fit in a locker

Where it doesn't

  • On the slides, where parks want loose items off
  • Towels, clothes and sunscreen: that's the locker's job
  • It isn't a flotation aid or safety equipment

If you only ever carry a phone, a pouch may be enough; here's how a waterproof crossbody compares with a phone pouch. Weighing several crossbody options? See how waterproof crossbody bags compare.

Questions

Water park bag FAQ

Can I take my phone on water slides?

Usually not. Fallsview bans camera phones on all of its slides, and Volcano Bay asks for loose articles to be left with a non-rider or in a locker. Even where a park is silent, a phone can come loose on a fast slide. Plan to hand it off for the ride.

Is a locker enough on its own?

For towels and clothes, yes. The trade-off is walking back every time you want your phone or card. A small sealed bag worn between rides covers those moments, and goes in the locker or to a non-rider when you head up a slide tower.

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