1. The Wizarding World of Harry Potter - Hogsmeade
This area is based on the Harry Potter series of books and films, and features attractions and experiences such as the Hogwarts Castle and Harry Potter and the Forbidden Journey.
2. Jurassic Park
This area is based on the Jurassic Park film franchise, and features attractions and experiences such as the Jurassic Park River Adventure and the Velociraptor Encounter.
3. Seuss Landing
This area is based on the Dr. Seuss children's books, and features attractions and experiences such as The Cat in the Hat and the One Fish, Two Fish, Red Fish, Blue Fish rides.
4. Toon Lagoon
This area is based on classic cartoons and comic strips, and features attractions and experiences such as the Popeye & Bluto's Bilge-Rat Barges and the Dudley Do-Right's Ripsaw Falls.
5. Marvel Super Hero Island
This area is based on Marvel Comics characters, and features attractions and experiences such as The Amazing Adventures of Spider-Man, The Incredible Hulk Coaster, and Storm Force Accelatron.
In addition to these five main islands, Universal's Islands of Adventure also features a sixth area called Port of Entry, which serves as the main entrance to the park and is home to shops and restaurants.