At each attraction location, signs are posted to indicate specific height requirements and warnings for certain medical conditions. Listed below are all the attractions that have a height requirement. If a show or attraction is not listed then this show or attraction does not have a height restriction and is open to all guests. Please note that children under 48" (1.22 meters) must be accompanied by an adult at all times and on all attractions.
| Attraction | Minimum Height |
| The High in the Sky Seuss Trolley Train Ride!™ | 34" / 86cm (1) |
| Flight of the Hippogriff™ | 36" / 91cm |
| Pteranodon Flyers® | 36" / 91cm (2) |
| The Amazing Adventures of Spider-Man® | 40" / 102cm |
| Jurassic Park River Adventure® | 42" / 107cm |
| Popeye and Bluto's Bilge-Rat Barges® | 42" / 107cm |
| Dudley Do-Right's Ripsaw Falls® | 44" / 112cm |
| Harry Potter and the Forbidden Journey™ | 48" / 122cm |
| Doctor Doom's Fearfall® | 52" / 132cm |
| Dragon Challenge™ | 54" / 137cm |
| Incredible Hulk Coaster | 54" / 137cm |
Certain rides may be closed due to maintenance works, please contact Islands of Adventure before planning your trip.
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Aviana Resort, Davenport
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Marvel Super Hero character names and likenesses: TM and © 2025 Marvel © 2025 Universal Studios. Jurassic Park River Adventure® Universal Studios / Amblin. All Popeye characters TM and © 2025 KFS, Inc. TM Hearst Holdings, Inc. Dr. Seuss properties TM and © 2025 Dr. Seuss Enterprises, L.P. All rights reserved. Universal elements and all related indicia TM and © 2025 Universal Studios. © 2025 Universal Orlando. All rights reserved.