There is no hotel inside islands of adventure nor universal studios. Also, there's no harry potter village. The harry potter related sections of the park are called "Hogsmade" and "Gringots"
They have resort hotels on property. We stay at The Rosen Its clean with comfy beds and great staff. We only sleep and shower there anyway. The money we save can be used for the posh restaurants. And they are fabulous. Not the chain restaurants. Bubba Gumps was probaby one of the worst places I've eaten at. The real Greek and Italian ones are very good.
One of the closest hotels is the Hard Rock Hotel. Most will bus you to Universal. Be sure to get the park to park pass or you'll only see half of Harry Potter world.
They do not as it is inside of the theme park
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