I'm thinking you're right - not as obvious of options for those 2 but the utility closet is pretty big for hanging items. I'd probably just live out of my suitcase for non-hanging items and/or pull down the basket/pillows and use that shelf (though not ideal if you're not tall). The ottoman in front of the couch opens and can be used for storage. You probably could shift a few kitchen items around and use one of the end cabinets too.
There's two shelves in the end unit that just has a toaster you could relocate.
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Watch this video on
YouTube (I LOVE their videos).
At 1:25 into the video they open the end cabinet with the toaster
At 4:16 they show the ottoman and open it
At 12:30 they open the closet.