Let's face it: Hilo has no upscale hotels. My wife and I both agree that something as simple as a Hampton Inn would dominate all business in Hilo. However, since no such Hampton exists, then the Hilo Hawaiian is your best choice.
We spent one night there, and had an older, but clean room - with a small refrigerator, and a small bathroom. However, the lanai was nice, and the views incomparable. We had wished we could leave the door open all night, but we have a toddler, and that wouldn't have been prudent.
The hallways smell a bit musty - but there are no overt signs of uncleanliness.
We were treated to views of not one, but TWO cruise ships coming into harbor through the morning mist.
The only thing we would have liked would be if they offered an airport shuttle: the airport is scarcely two miles away, but it is a $12 taxi ride EACH WAY ... and there really is no other option.
We would return if we had occasion to be in Hilo again.